Light PORSCHE 944 1987 1.G Owner's Manual

Fuel Economy
Fuel economy will vary depending on where,
when and how you drive, optional equipment installed, and the general condition of your
car. A car tuned to specifications and correctly maintained, will help you get maximum fuel
economy.
Have your vehicle tuned to specifications.
Fuel injection should be adjusted to
specifications.
Spark plugs should be clean, properly
gapped and fire efficiently.
Air cleaner should be dirt free to allow proper engine "breathing". Battery should be fully charged. Wheels should be properly aligned. Tires should be inflated at correct pressures. Keep a light foot on the accelerator pedal. Drive smoothly, avoid abrupt changes in
speed as much as possible.
Avoid jack rabbit starts and sudden stops. Do not drive longer than necessary in the
lower gears. Shifting up early helps to save
fuel.
Avoid unnecessary idling. Turn the engine
off.
Prolonged "warm up" idling wastes gas. Start the vehicle just before you are ready to drive. Accelerate slowly and smoothly.


Any additional weight carried in the vehicle reduces fuel economy. Always keep cargo to
a minimum and remove all unnecessary
items.
Organize your trips to take in several
errands.
Use air conditioner only when needed. All electrical equipment contribute to increased fuel consumption.
The EPA estimated m.p.g. is to be used for
comparison purposes, actual mileage may be
different from the estimated m.p.g., depending on your driving speed, weather conditions and trip length. Your actual highway mileage will
probably be less than the estimated m.p.g.
Please observe all local and national speed
limits.


49


Fuel Filler Cap
The lockable fuel filler cap is on the right side
panel of the car. When putting the cap back
on, twist it clockwise until it stops with an
audible click.
We recommend you turn off the engine
when filling the fuel tank.
Fuel tank capacity is listed under "Filling
Capacities".
If you lose your fuel filler cap, replace it
immediately with a cap of the same design to
reduce the possibility of a fire in a collision.
Fuel Recommendation
Your Porsche is equipped with a catalytic
converter and must use UNLEADED FUEL
ONLY.
944:
Minimum octane rating is 91 RON (87
CLC or AKI rating on US fuel pumps).
944 S / 944 Turbo: Minimum octane rating is
95 RON (90 CLC or AKI rating on US fuel
pumps).
Federal law prohibits use of leaded fuel in
this vehicle.
The use of UNLEADED FUEL ONLY is
critically important to the life of the catalytic
converter. Deposits from leaded gasolines will ruin the converter and make it ineffective as
an emission control device.
Cars with a catalytic converter have a smaller
fuel tank opening, and gas station pumps
have smaller nozzles. This will prevent
accidental pumping of leaded fuel into cars
with a catalytic converter.
Unleaded fuels may not be available outside
the continental U.S. and Canada. Therefore,
we recommend you do not take your car to areas or countries where unleaded fuel may
not be available.
Octane ratings
Octane rating indicates a gasoline's ability to
resist detonation. Therefore, buying the
correct octane gas is important to prevent
engine "knock" and possible engine damage.
The 91 RON (95 RON) octane rating of your
car is based on the research method. The CLC (U.S. Cost of Living Council octane
rating) or AKI (antiknock index) usually
displayed on U.S. gasoline pumps is
calculated as research octane number plus
motor octane number, divided by 2, that is
written as:


The CLC or AKI octane rating is usually lower
than the RON rating:
91 RON equals ............ 87 CLC or AKI
95 RON equals ............ 90 CLC or AKI

50

WARNING
Never carry additional fuel in portable containers in your car. Such containers,
full or partially empty, may leak, cause an
explosion, or result in fire in case of a
collision.
Porsche does not recommend the use of
fuel additives.
Do not use any fuel with octane ratings
lower than 91 RON or 87 CLC or AKI,
944S/944 Turbo 95 RON or 90 CLC or AKI.
Gasolines containing alcohol
Gasoline containing alcohol is available at gas
stations in some areas. The gas pump may not
be labeled to identify that alcohol is present in
the gasoline. If it is labeled, it may not identify
what amount and type(s) of alcohol
are used. We recommend you DO NOT use
fuels where the alcohol content cannot be
identified.
Gasolines containing methanol
DO NOT
use fuels containing methanol (methyl alcohol, wood alcohol). The use of fuel
containing this type of alcohol can result in
vehicle drivability and performance problems
and may damage critical parts of your vehicle's
fuel and emission control systems.
Gasolines containing ethanol
A mixture of unleaded gasoline and ethanol (ethyl alcohol, grain alcohol) is sold in some
areas. This mixture is sometimes called
"Gasohol".
You may use gasohol in your

Porsche, provided it contains no more than
10% ethanol, and the octane requirements for
your vehicle are met. However, we strongly
recommend to switch back to gasoline without
ethanol, if you experience any of the following
problems with your vehicle:
Deterioration of drivability and performance.
Substantially reduced fuel economy. Vapor lock and non-start problems, especially
at high altitude or at high temperatures.
Engine malfunction or stalling.
Continued use of gasohol under these
conditions may cause costly damage to the fuel system and the emission control system of your vehicle.

51

Gearshifting Manual Transmission


Maximum downshift points
5th to 4th gear
944 115 mph/1 80 km/h or 4300 rpm
944 S 123 mph/1 98 km/h or 5400 rpm
Turbo 130 mph/210 km/h or 5000 rpm
4th to 3rd gear
944 85 mph/1 36 km/h or 4750 rpm
944 S 91 mph/1 46 km/h or 5000 rpm
Turbo 96 mph/1 55 km/h or 4500 rpm
3rd to 2nd gear
944 58 mph/ 94 km/h or 4500 rpm
944 S 61 mph/ 98 km/h or 4600 rpm
Turbo 65 mph/1 05 km/h or 4250 rpm
2nd to 1st gear
944 34 mph/ 55 km/h or 3850 rpm
944 S 36 mph/ 58 km/h or 4000 rpm
Turbo 38 mph/ 62 km/h or 3700 rpm
Minimum upshifting points
1st to 2nd gear at 15 mph/24 km/h or
944 2850 rpm
944 S 2800 rpm
Turbo 2850 rpm
2nd to 3rd gear at 25 mph/40 km/h or
944 2800 rpm
944 S 2750 rpm
Turbo 2400 rpm
3rd to 4th gear at 40 mph/64 km/h or
944 3050 rpm
944 S 3000 rpm
Turbo 2750 rpm
4th to 5th gear at 48 mph/77 km/h or
944 2700 rpm
944 S 2650 rpm
Turbo 2300 rpm
The Porsche transmission with servo-lock
synchronization permits rapid and precise
shifting of gears. But be sure when changing
gears that the clutch pedal is fully depressed
to the floor, and that the gearshift lever is
completely engaged. The engine speeds for
the individual gears are listed on this page.
Reverse
Only shift into reverse when the car has
come to a complete stop.

The clutch pedal must be depressed and the
vehicle must be stationary before shifting into
reverse; only then move the gearshift lever to
the right (overcoming the spring resistance)
and then to the rear. Both back-up lights come on when the
transmission is put into reverse (with ignition
on).
For smooth shifting, observe the following shift points:
The specified maximum rpm figures should
not be exceeded when shifting down, as
otherwise the engine speed would be too
high. This applies to standard gear ratios only.

Please observe all local and national speed limits!
52

Controls for Automatic Transmission
The selector lever has 6 positions:

Park
Rev erse

Neutral
Driv e
Low
Low




... If the selector lever is unintentionally mo ved
into Neutral (N) while driving, take your foot off
the accelerator pedal and wait until the engine
speed has dropped to idle before selecting a driving position.
Never shift into Reverse (R) or Park (P) when
the car is in motion.
... Never get out of the driver's seat when the
engine is running and the selector lever is not in the "P" position. Move the selector lever to
"P" and apply parking brake.
... Always make sure the selector lever is in the
"P" position when checking under the hood.
Otherwise, any increase in engine speed may
set the vehicle in motion, even with the
parking brake applied.
... A driving position must never be used for
holding the vehicle at rest uphill. Always use
your foot brakes when stopped on inclines.
Driving the Automatic Transmission
The Automatic Transmission has 3 forward
gears and one reverse. In driving positions D
and 2 the Automatic Transmission changes
gears automatically while driving.
Position D
is the driving position normally used for city and highway driving. It ranges from zero to top
speed, and all three gears shift automatically
depending on driving speed.

Start in Park
The selector lever has a push button in the
handle. The push button must be
depressed when selecting the following
positions:
From P to R
R to P depress push button
N to R in handle
2 to 1
The selector lever can be moved freely
between the other positions.
The respective position is illuminated in the tachometer as long as the ignition key is in
the ignition lock.
Remember the following basic rules:

... Apply the parking brake or foot brake before
selecting a driving position. When the selector
lever is in a driving position, the car may creep
even at idle speed. Therefore, do not release
the parking brake or foot brake until you are
ready to move.
... Do not accelerate while selecting a driving
position. Wait for positive engagement. At this
time the engine must run at idle speed so that
no undue stress will be placed on the automatic
clutches in the transmission.
53

Position 2
is to be used for mountain driving or slow
driving, when towing a trailer and also when
you want to make use of the engine's braking
effect. In "2", only the first and second gears
will engage automatically. Therefore, only shift down into position "2" when the speed is below 63 mph or 100 km/h. It is not necessary to let up on the accelerator.
Position 1
is needed on rare occasions. It should only be
used up to 25 mph or 40 km/h. In "1" the
transmission will stay in first gear and not shift
into the second or third gear.
Only shift down into "1" when driving speed is below 25
mph or 40 km/h.
The reverse position R
Reverse should be selected only when the car has come to a full stop and the engine is
running at idle speed.
The back-up lights come on automatically
when you engage Reverse (with ignition on). Starting the engine
is only possible when the selector lever is in
Neutral or Park (N or P) . As long as one of
the driving positions is engaged a safety
switch prevents the engine from being started.

Emergency starting
Your Porsche with Automatic Transmission
cannot be started by pushing or towing.
Should the engine fail to start see "Emergency starting with jumper cables" or consult your
nearest authorized Porsche dealer.
DO NOT START OR TOW the car without
ATF in the transmission, as this will result
in serious damage to transmission and
torque converter.
Putting the car in gear
With the parking brake or foot brake set, shift
into the position you wish to use, usually
position D. To accelerate, release the brake
and depress the gas pedal.
WARNING
Do not release the brake before you are
prepared to move, because power is
transmitted to the wheels as soon as a
driving position is engaged.
Selecting a driving position while driving
is easy. Simply release the accelerator pedal
and move the selector lever from the position
you are in into the position you want. Then
step on the accelerator again.
WARNING
Do not shift to a lower driving position
until vehicle speed has dropped below the
specified limits. Engine speed will sudden-

ly increase and may cause engine damage and loss of vehicle control.
Stopping
When stopping temporarily, at traffic lights for
example, it is not necessary to move the
selector lever to Neutral. Simply apply the
brakes. To start again release the brake and
accelerate.
Parking
When parking your car, apply the parking
brake first, and then move the selector lever to position P. To do this, depress the button and
push the lever through R to P. The
transmission is then mechanically locked.
Park may only be engaged when the car is
stationary.
Do not remove the key from the ignition
steering lock until you have parked the car, because removal of the key locks the
steering wheel.
Shift out of the Park position, before releasing
the parking brake.
When the car is parked on a steep hill, shifting
out of Park may be a little harder. This is due
to the weight the car exerts on the
transmission.

54

Neutral
Shift to this position for standing with brakes
applied.
Never use Neutral for coasting downhill.
You may lose control over the car because of reduced braking and cause serious damage to the transmission when a driving range has to be selected. CAUTION: While driving with the automatic speed control set (at speeds above 25 mph or 40 km/h), do not bring shift lever into
the Neutral position as excessive engine
rpm and severe engine damage may result.
Maneuvering
When alternating between forward (D) and
reverse (R) (for instance, while maneuvering
the car into a tight parking space), only shift
into Reverse or Drive
when the car has come to a full stop and the engine is running at idle
speed.
Stuck in snow, mud or sand
When alternating between Drive and
Reverse in an effort to free the vehicle,
depress the accelerator pedal lightly while the
transmission is in gear, and release the
accelerator pedal while shifting. Do not race
the engine and avoid spinning the wheels.
Do not repeat "rocking" back and forth
with wheels spinning at high engine speed
and heavy throttle, as serious damage may be caused to the automatic transmission
and other critical parts.
If you cannot free the vehicle after a few
"rocking" attempts, call for help or a tow truck.
Accelerator Pedal

For good fuel economy we recommend
smooth and even acceleration. Very fast, racy
driving, alternating between full throttle and
hard braking, raises the fuel consumption
considerably. Also, tires and brake linings
wear faster. It is more economical to drive smoothly and at a fairly constant speed.
Accelerator "Kickdown"
When depressing the accelerator pedal you
will find resistance near the full throttle position. By applying greater pressure the
pedal can be pushed beyond this point to the
kick-down position. The transmission will now
shift automatically into the next lower gear to
give you maximum acceleration, and only shift up again after the engine has reached
maximum speed in that particular gear.
WARNING
Be careful when using the kickdown on
slippery roads. Rapid acceleration may
cause skidding.
Please observe the following when applying
the accelerator kickdown:
With the selector lever in D, you can apply the kickdown to make the transmission shift down into second gear when driving below 88 mph
or 140 km/h and down to first gear when
driving below 47 mph or 75 km/h.
With the selector lever in "2", you can apply
the kickdown to make the transmission shift
down into first gear when driving below 47
mph or 75 km/h.
As soon as you release the pedal from the kickdown position the next higher gear is
automatically engaged.
Please observe all local and national speed limits.

55





Hatchback
(If vehicle is equipped with an anti-theft alarm
see "Anti-theft alarm".)
Release switch
To unlock the hatchback, operate the control
switch on the left side underneath the
dashboard.
If the hatchback does not open of its own
accord, it must be raised by hand.
Never operate the switch while the vehicle
is in motion. Lock

The hatchback can also be opened with the
ignition/door lock key. Turn key
counterclockwise and lift hatchback up.
To close, push hatchback down firmly until
both locks snap shut. Pull up on hatchback to
make sure it is securely locked.
Keep the hatchback locked at all times to
prevent unauthorized access to the
vehicle.
Be careful when removing large objects
through th
e rear. Sharp edged objects may damage the defogger wires in the rear
window.
WARNING
Because of inherent hazards, we do not
recommend transporting objects larger
than those fitting safely into the luggage
compartment. Keep the hatchback closed
while dr
iving to prevent poisonous exhaust gas from being drawn into the vehicle.

56

Luggage Compartment
Luggage and other belongings should be
protected from the sun and "inquisitive eyes"
by pulling the rolled-up luggage cover from
behind the rear seat back and hooking it into
the eyelets on the rear cross wall. When
unhooked, the cover rolls itself up
automatically.
To prevent luggage and other objects from
sliding around while the car is in motion, you
can secure them with spider straps available
through your dealer or other supply firms. The
eyelets for this purpose can be found behind
the rear seat back and on the luggage
compartment floor. Luggage space
To provide for additional luggage space, press the knob on the left or right side to release the rear seat back. Then tilt forward.
Luggage compartment light
The light is located on the left side of the
luggage compartment. The light can be
switched on or off, regardless of ignition or
vehicle light switch positions.
Roofracks
The installation of commercially available
roofracks is not compatible with the roof
design of your Porsche.
When installing the Genuine Porsche Roof-
rack available up till now, the maximum
permissible weight load of 75 Ibs or 35 kg
must not be exceeded.
The "New Genuine Porsche Roofload
Transport System" provides for maximum
permissible weight loads of up to 165 Ibs or
75kg.
Your Porsche dealer will be glad to advise you about which type of roofrack can best serve
your individual needs and load carrying
requirements.
WARNING
Make sure that the load is carefully
mounted. Secure it additionally by locking
the roof transport system.
57





Engine Hood
To unlatch the engine hood, pull the release
lever on the left underneath the instrument
panel. Opening the hood
Lift hood slightly and pull up on handle (arrow) to disengage safety catch. Then lift up the
hood.
Make sure the windshield wipers are not tilted
forward.
The engine compartment light on the hood will come on when the vehicle lights are turned
on.
Closing the hood
Lower the hood and press it down on the hood latch until you hear an audible click.
WARNING
Should you notice at any time while driving that the hood is not secured properly,
please stop at once and close it.

58

Electric / removable
prop-up roof
With the ignition on , you can raise (a) or
lower (b) the roof at the rear by depressing the front or rear half of the rocker switch in the
center console.
Removing roof

Clean the roof prior to removal to avoid
scratches and soiling your clothes.
1. Turn the ignition switch to position 1 (see
ignition/starter switch section). Depress rear half of rocker switch (a) until the prop-up
linkage mechanism unlocks the roof.
2.
Loosen front holding clamps.
3. Lift up and remove roof.
4. Store roof in the pouch provided in luggage
compartment.
Installing roof
1. From above hold roof at a slight angle and
insert in wind deflector grooves and front
guides.
2.
Lower roof toward rear.
3. Turn the ignition switch to position 1.
Depress front half of rocker switch (b) until
the prop-up linkage mechanisms has
locked the roof.
4.
Secure the front holding clamps.
59





Manual Operation
If the electrical drive mechanism should fail,
the roof can be closed manually. The motor for electrical operation is located at the left
sidewall of the luggage compartment, behind
the carpeting.
1. Remove the clips from the carpet and fold
back the carpet.
2.
Take off the cover from the adjusting screw. 3. With the spark plug spanner turn the now
visible hexagon nut clockwise until the roof
is closed.
4. Replace cover for screw.
Do not operate the rocker switch. Let your
Porsche dealer take care of the necessary
repair.

60

Car Care Instructions

Regular and correct care helps to maintain the value of your car and is also a
precondition for the long-life guarantee.

The Porsche paint finish is of a high quality
baked synthetic enamel. The color and
enamel type designation are indicated on the
"paint number sticker". When buying touch-up
paint, always give the paint and the car's
identification numbers to your dealer.
A well-cared for Porsche can look like new 10
years later. It all depends on the amount of
care the owner is willing to give the car.
Your Porsche dealer has a number of car-
care products and can advise you which ones to
use for cleaning the interior and exterior of
your car. Whether you use Porsche
recommended products or other commercially available cleaning agents first make sure of
their correct application.
WARNING
Cleaning agents may be poisonous. Keep
them out of the reach of children.
Observe all caution labels. Always read directions on the container before using any product. Most chemical cleaners are concentrates which require dilution. Do not use gasoline, kerosene, naphtha, nail
polish remover or other volatile cleaning
fluids. They may be toxic, flammable or
hazardous in other ways. Only use spot
removing fluids in well ventilated areas.
Do not wash, wax or dry the vehicle with the
engine running.
Do not clean the underside of chassis,
fenders, wheel covers, etc., without
protecting your hands and arms you may cut
yourself on sharp-edged metal parts.
Moisture and road salt on brakes may affect braking efficiency. Test the brakes after each vehicle washing.
Washing and waxing
The paint on your Porsche is very durable but
must be protected from losing its luster due to
outside influences. Therefore, wash and wax
your Porsche often. The longer the dirt is left
on the paint, the greater the risk of damaging
the glossy finish, either by scratching if the dirt is rubbed into the paint, or simply by the
chemical effect dirt particles have on the paint
surface. Do not wash or wax in direct
sunlight. Do not use hot water. Lukewarm
to cool water is kinder to the paint.
Pamper your Porsche! Wash it by hand! The
mechanical brushes in an Automatic Car
Wash may not reach every angle of the
vehicle, and some tracks may cause
damage to the underbody.
Use plenty of water, a car-wash and wax
solution and a soft sponge or hose brush.
Begin by spaying water over the dry surface to remove all loose dirt before applying the car-wash and wax solution. Use plenty of water to
rinse the vehicle off. Wipe everything dry with
a chamois to avoid water spots.
61

To guard against corrosion from the inside
out, clean drain holes on the bottom of doors,
tail gates, hatches etc., after each washing.
Then wipe dry thoroughly. Also inspect all
weatherstrips to make sure they do not allow water to enter the body panels. Do not aim the water jet directly at door, hatch or rear lid locks. Tape the key holes to prevent water from seeping into the lock cylinders.
Water in lock cylinders should be removed
with compressed air. To prevent locks from freezing in the winter, squirt glycerin or lock
deicer into the lock cylinders.
Do not use any solution that can damage
the body paint.
The underside of the vehicle picks up dirt and
road salts used to keep streets and highways
free of snow and ice. To guard against
corrosion, it is important to remove mud,
debris and road salt from the underside with a
powerful jet of water. Be sure to include the
wheel housings, bumpers, muffler, tailpipe
and brackets. This should be done twice a
year and is best accomplished after the
vehicle has been driven through a heavy rain.
Let engine and exhaust system cool down
before washing.

Waxing is not really needed when you have
used a car-wash and wax solution. If you do
not use a car-wash liquid with wax, apply wax
to preserve the natural shine of the body
paint. To obtain a long lasting finish, apply
hard wax. Wax again if water remains on the
surface in large patches instead of forming
beads and rolling off.
Exterior
Care of the finish
Oils contained in the paint are the most
important ingredients contributing to the
elasticity of the finish. Because these oils
diminish gradually due to weather and similar
causes, they must be replenished through
regular and proper care of the finish. Given
proper care, the original finish will retain its
luster for many years. Ask your dealer for
approved cleaning agents and preservatives.
The use of polishes is recommended only
after it becomes evident that the normal
preservatives no longer accomplish the job.

Dull finishes and plastics
Plastic parts, such as light bulb lenses,
decorative strips, panels, etc., will come clean
during car washing. Should additional
cleaning or spot removal be necessary, use a
soft brush or cloth soaked with a mild
detergent solution. Then rinse thoroughly and
immediately with clear water. Do not use
anything which could mar the plastic or dull
finished surface, such as wax or polish,
abrasive detergents or chemical cleaning
solvents.
Metal trim
Bright or black anodized trim will come clean
when you wash the vehicle. To protect the trim, use car wax.
Touch-up paint
Your dealer has touch-up paint for minor
scratches and stone chips. Scratches should
be touched up soon after they occur, to
prevent corrosion. If corrosion formation
becomes visible, however, a simple touch-up
job will not suffice. The affected surface must
be smoothed with sand paper and covered
with an anti-rust primer, before restoring the
painted finish.


62

Tar or oil
Do not allow tar or oil to remain on the paint.
Remove as soon as possible with a cloth
soaked with a special paint cleaner. If you do
not have a tar or oil remover, you may
substitute with turpentine. After applying a
cleaning fluid, always wash with a lukewarm
soap water solution and apply a new wax
coat.
Insects
Remove as soon as possible with a lukewarm
soap/water solution or apply insect remover.
Tree sap Remove with a lukewarm soap/water solution. Do not allow tree sap or bird droppings to
harden on the paint.
Windows
Keep silicone sprays off the windshield to
avoid wiper smear in rain.
Generally, highway dust that settles on the
outside of the windshield contains material
worn from tires and oil residues. On the inside surfaces of the windshields, particularly in
strong sunlight, there are build-ups of dust
from the interior decor. These buildups are
reinforced by pollution in the air

brought in with the fresh air supply. Use a
lukewarm soap/water solution or an alcohol
based commercial window cleaning agent for t
he inside and outside. If a chamois is used for polishing the glass, it should exclusively be
used for that purpose.
To assure that windshield washers also
function at freezing temperatures, antifreeze
must be added to the washer fluids reservoirs
beforehand. It is advisable to use window
washer solvent with anti-freeze all year round. Follow directions on the can for the right
amounts to be used. Do not use engine
coolant anti-freeze or any other solution
that can damage the paint.
In vehicles with Sekurif
lex windshields, the plastic coating on the inside of the
windshield must not have gummed labels
put on it or be cleaned using abrasive
agents or dry methods. If very dirty, it can
be cleaned with benzine. The use of
benzine in a confined environment may be
dangerous to your health. Make certain
that the plastic coating is not damaged in
cleaning by hard objects such as jewelry
or wristwatches.
Do not remove ice on the inside of the
windshield by any means except warm air
from the defroster nozzles. Do not use any
deicer sprays, scratching tools, or
scrapers!

A foil base must be applied to the windshield prior to application of any labels or stickers
such as those used for state registration or
inspections. Failure to utilize foil base
between sticker or label and the Sekuriflex
coating will result in damage to the Sekuriflex
coating. Three foil bases were included with
the vehicle and additional foil bases may be
ordered from any Porsche dealer.
Instructions:
1. Clean the windshield in the area for
application.
2.
Cut the base of the foil to the required size.
Round off the edges.
3.
Pull off the protective film.
4. Spray the gummed side of the foil base and the windshield with a soap solution (distilled water and liquid soap or grease-free
detergent in a mixing ratio 10:1).
5.
Apply the foil base to the windshield and spray it once again.
6. Any liquid and bubbles under the foil base must be brushed out using a flexible plastic
scraper.
7.
Dry the windshield using a soft cloth.
8. Install label/sticker on the foil base.
63

When removing the label/sticker or the
backing foil, first spray the foil with a soapy
solution (see point 4).
Wiper blades
Always loosen frozen wiper blades from glass as they may tear otherwise.
Remove all wiper blades periodically and
clean them thoroughly with an alcohol base
cleaning solution. Use a sponge or soft cloth
and wipe lengthwise.
Weatherstrips
To seal properly, weatherstrips around hood,
hatch, windows, doors, etc., must be pliable.
Spray with silicone or coat with talcum powder or glycerin to retain flexibility of the rubber and to protect against freezing in the winter.
Light alloy wheels
To preserve the decorative appearance of the
light aluminium castings, some special care is
necessary. Aside from road dirt and salt
sprays, brake metal dust will exert corrosive
effects.
If left on too long, brake metal dust can cause
pitting. Wash the wheels with a sponge or
hose brush every other week.

Roads salts should be removed weekly with
an acid free cleaning solution.
The acid free cleaning solution must not have
a pH value greater than 10 (see explanation),
in case of doubt, it is recommended to check
with the manufacturer of that particular cleaner.
Every three months (after regular cleaning)
the wheels should be coated with petroleum
jelly. Rub it in firmly with a soft cloth. Never use abrasive or metal polishing cleaning
agents.
Explanation of pH value
The pH value is a measurement for the
hydrogen-ion concentration in a liquid. This
value tells if the liquid reaction is sour (acid) o r alkaline (lye solution). At a pH value of 7, the reaction of the liquid is
neutral (that is, chemically clean water), it is
not an acid or alkaline. Acids have a pH value
under 7, the strength of the acid increases
with a lower pH value. Alkaline lies between a pH value of 7 and 14, the strength of the
alkaline increases with higher pH values.

For example: a mineral water mixed with
carbon dioxide has a pH value of 6-6.5,
reaction is also light sour. Battery acid in
comparison has a pH value of 1.
or
the pH value for normal soap solution is 8-9,
but the soap solution for a dishwasher is
approximately 12.5, this would not be suitable
for wheel cleaning.
Your Porsche dealer can advise you which
product to use.
Remember that moisture and road salt on
brakes may affect braking efficiency. Test
the brakes after each car or wheel wash.


64

Interior Glass

Use the same cleaning agents as for the
exterior and polish dry with a soft cloth or
paper towel.
Fabric
Use a vacuum cleaner or a soft bristle brush
to remove dust and loose dirt from carpeting,
upholstery, headliner and other trim. Dirt
stains can usually be removed with lukewarm
soap water or an all purpose cleaner solution,
or a dry foam cleaner. For greasy, oily and
other stubborn stains, use a spot remover. Do
not pour the liquid on the fabric. Dampen a
clean cloth and rub carefully, starting at the
edge and working inward.
Safety belts
Keep belts clean. Very dirty belts may not
retract properly. Do not remove belts from the
vehicle to be cleaned. Do not use chemical
cleaning agents, bleach or dyes. They
contain corrosive properties which will
weaken the webbing. Do not allow inertia
reel safety belts to retract before they are
completely dry.

For cleaning, use a mild soap water solution.
Let belts dry out thoroughly and away from
direct sun light.
Plastic, vinyl and leatherette
Use a clean, damp cloth or sponge to keep
this trim free from dust. For other spoilage,
use a lukewarm all purpose cleaning solution
or a mild saddle soap for vinyl and leather
trim. Remove water spots and soap traces
with a clean, damp cloth or sponge. Use a clean, soft cloth to rub dry.
Grease, tar or oil stains can be removed with
a clean cloth or sponge soaked with all
purpose cleaner or with a solvent type vinyl or
leather cleaning agent.
Occasionally apply a colorless vinyl or leather
preservative to retain the material's luster and
pliability.
Leather and leather trim
To keep leather seats and trim beautiful and
soft, they should be cleaned and cared for
regularly. Clean leather with a soft, white
woolen cloth and a mild soapwater solution. Do not use chemical or abrasive cleaning
agents. Do not let moisture seep through
perforated surfaces to safeguard against
corrosion and cracking from underneath. After cleaning, apply a leather preservative re-
commended by Porsche to all dry surfaces with a clean and soft woolen cloth. Let your
Porsche dealer advise you on the use of the
leather preservation product.
Corrosion protection
The engine compartment, as well as all
engine, transmission, front and rear axle
assembly surfaces have been treated with a
wax based coating at the factory for protection against corrosion.
WARNING
Do not apply additional undercoating or
rustproofing on or near the exhaust
manifold, exhaust pipes, catalytic
converter or heat shields. During driving,
the substance used for undercoating could overheat and cause a fire.
Engine Compartment
If it becomes necessary to steam clean or
otherwise wash the engine compartment, the
wax based protective coating is usually lost. It is therefore important to reapply this
protective coating to all engine compart-

65

ment panels, flanges, cavities, seams and
engine assembly surfaces.
When washing the engine compartment,
only use commercially available grease
cutting solvents made especially for this
purpose. Carefully fol
low directions printed on the container by the manufacturer.
Chassis
The lower body shell of your Porsche is
thoroughly protected against corrosion.
However, it is recommended to have the
underbody inspected twice a year. Any
detected damage to the undercoating, due to
road hazards, should be repaired promptly. Oil based protective sprays must not be applied. Only tar or wax based anti corrosion protectors are compatible with the factory applied undercoating. Before application, road dirt and oily substances must be removed.
Whenever the lower body shell, axle,
transmission or engine assemblies are
repaired, the lost anti-corrosion coating of
the affected surfaces should be renewed.
Let your Porsche dealer advise and assist you.



66

944

944 S

944 Turbo Engine Oil Level
Engine oil consumption
It is normal for your engine to consume oil.
The rate of oil consumption depends on the
quality and viscosity of oil, the speed at which
the engine is operated, the climate, road
conditions as well as the amount of dilution
and oxidation of the lubricant.
Because of these variables, no standard rate
of oil consumption can be established, but
drivers should expect an increased oil
consumption at high speeds and when the
engine is new.
The engine in your vehicle depends on oil to lubricate and cool all of its moving
parts. Therefore, the engine oil should be
checked regularly and kept at the required level.
Make it a habit to have the engine oil level checked with every fuel filling. Lack of sufficient engine oil may lead to severe engine damage. The oil pressure warning light is not an oil level indicator.
Checking oil level
To get a true reading, the car should be on
level ground. After turning off the engine, wait
a few minutes for the oil to return to the oil
sump.
1. Pull out dipstick and wip
e it dry with a clean cloth or paper towel.
2. Reinsert dipstick: push it in all the way
down for an accurate reading.
3.
Pull dipstick out again. The oil level is
correct if it is between the "max" and "min"
marks on the dipstick.
4.
If oil level is below "min" mark, or not
showing on dipstick, add oil immediately.
The difference between the "max" and "min",
marks is about 1 U.S. quart or 1 liter. 69



Adding engine oil Only add the amount of oil that is needed. The correct oil grade and viscosity
recommendation is given under "Engine Oils". 1. Remove oil filler cap and remove dipstick.
2. Top up with quality oil labeled "API Service
SE or SF".
3.
Check oil level with the dipstick. The "max"
mark should not be exceeded.
4.
Replace cap and tighten securely.
WARNING
The oil filler cap and dipstick must be
secure to avoid oil spills and resulting fire
hazard.

944-Turbo
Engine Guard
Before working on the underside of the engine for the 944 Turbo, remove the two-part engine guard.

70