maintenance CADILLAC DEVILLE 1996 7.G Owners Manual

Downloaded from www.Manualslib.com manuals search engine Let only qualified technicians work on your air bag system. Improper service can
mean that your air bag
system won’t work properly. See your dealer
for
service.
I NOTICE:
If you damage the cover for the driver’s or the
right front passenger’s air bag, they may not
work properly.
You may have to replace the air
bag module in the steering wheel or both the air
bag module and the instrument panel for the
right front passenger’s
air bag. Do not open or
break the air bag covers.
Servicing Your Air Bag-Equipped Cadillac
Air bags affect how your Cadillac should be serviced.
There are
parts of the air bag system in several places
around your vehicle.
You don’t want the system to
inflate while someone is
working on your vehicle. Your
Cadillac dealer and the Cadillac service manual have
information about servicing your vehicle
and the air bag
system.
To purchase a service manual, see “Service and
Owner Publications”
in the Index.
I A CAUTION:
For up to 10 seconds after the ignition key is
turned
off and the battery is disconnected, an air
bag can still inflate during improper service. You
can be injured if
you are close to an air bag when
it inflates. Avoid wires wrapped with yellow tape
or yellow connectors. They are probably part of
the air
bag system. Be sure to follow proper
service procedures, and make sure the person
performing work for you is qualified to do
so.
1
The air bag system does not need regular maintenance.
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Safety Belt Extender
If the vehicle’s safety belt will fasten around you, you
should use it.
But if a safety belt isn’t long enough to fasten, your
dealer will order you an extender. It’s free.
When you go
in to order it, take the heaviest coat you will wear, so the
extender will be long enough for you. The extender will
be just for you, and just for the seat in your vehicle that
you choose. Don’t let someone else use it, and use
it
only for the seat it is made to fit. To wear it, just attach
it to the regular safety belt.
Checking Your Restraint Systems
I-
Now and then, make sure the safety belt reminder light
and all your belts, buckles, latch plates, retractors and
anchorages are working properly.
Look for any other
loose or damaged safety
belt system parts. If you see
anything that might keep a safety belt system from
doing its job, have
it repaired. Torn or frayed safety belts may not protect you in a
crash. They can
rip apart under impact forces. If a belt
is torn or frayed, get a new one right away.
I
Also look for any opened or broken air bag covers, and
have them repaired or replaced. (The air bag system
does not need regular maintenance.)
Replacing Restraint System Parts
After a Crash
If you’ve had a crash, do you need new belts?
After a very minor collision, nothing may be necessary.
But if the belts were stretched, as they would be if worn
during a more severe crash, then you need new belts.
If belts are cut or damaged, replace them. Collision
damage also may mean you will need to have safety
belt
or seat parts repaired or replaced. New parts and repairs
may be necessary even if the belt wasn’t being used at
the time of the collision.
If
an air bag inflates, you’ll need to replace air bag
system
parts. See the part on the air bag system earlier
in this section.
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I-
BATTERY VOLTS HIGH - 08: This message shows
that the electrical charging system is overcharging (more
than
16 volts). To avoid being stranded, have the
electrical system checked by your Cadillac dealership.
You can reduce the charging overload by using the
accessories.
Turn on the lamps and radio, set the climate
control on
AUTO and the fan speed on HI, and turn the
rear window defogger on. You can monitor battery
voltage on the DIC by pressing the INFORMATION
button. The normal range is
11.5 to 15.5 volts when the
engine
is running.
BATTERY VOLTS LOW - 06: This message will .
appear when the electrical system is charging less than
10 volts or if the battery has been drained. If this
message appears immediately after starting, it is possible that the generator can stili recharge
the battery. The
battery should recharge after driving a few miles and the
message should go out.
If this message appears while
driving or after starting your vehicle and stays on, have
it checked immediately to determine the cause of this
problem.
To help the generator recharge the battery
quickly
you can reduce the load on the electrical system
by turning off the accessories. You can monitor battery voltage on the
DIC by pressing the INFORMATION
button. The normal range is
11.5 to 15.5 volts.
BRAKE.VACUUM PROBLEM - 108: The circurr in
the brake booster vacuum has shorted or is loose when
this message appears. Your vehicle may lose power
brakes but you will still have the use
of manual brakes.
The power brakes will not be affected if the problem is
caused by a failed sensor. Have your vehicle serviced
immediately at your Cadillac dealership.
CHANGE ENGINE OIL - 82: This means that the life
of the engine oil has expired and it should be changed
within
200 miles. See “Engine Oil” and “Filter
Recommendations” in the Maintenance Schedule. After
an’oil change, the Oil Life Indicator must be reset. See
“Oil Life Indicator’’ in the Index on how to reset
it.
CHANGE TRANS FLUID - 47: This message WUI
appear when it is time to replace the transaxle fluid
(system has determined that the transaxle fluid has
reached
0%). See the Maintenance Schedule booklet for
the proper fluid and change intervals.
’
CHECK BRAKE FLUID LEVEL - 37: This message
will display if the ignition is in the RUN position to
inform the driver that the brake fluid level is low. Check
the brake reservoir level and add fluid as needed. Have the brake system serviced by a Cadillac technician as soon as possible. If the brake warning light is
on, follow
the directions in that part.
3-77

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:. ..; .. .. .. '... ,
This feature lets you know when to change the engine
oil. It's based on the engine oil temperatures and
your driving patterns.
To see the display, press the
INFORMATION button several times until
XX OIL
LIFE LEFT appears. If you see 99% OIL LIFE LEFT,
99% of your current oil life remains.
The DIC may display a
CHECK OIL LEVEL message.
Always keep a written record of the mileage and date
when you changed your oil. For more information, see
the Cadillac Maintenance Schedule booklet.
If you see
CHECK OIL LEVEL, it means that you have less
than 10% of the oil life left and you'should consider
changing your engine oil. If you see
CHANGE
ENGINE OIL, it means the oil life is gone and you
should change the oil right away.
The system should indicate changing the oil between
3,000 miles (5 000 km) and 7,500 miles (12 500 km).
It may indicate changing the oil before 3,000 miles
(5 000 km) depending on your driving habits. If the
vehicle has been driven
7,500 miles (12 500 km) it
will indicate to change the oil.
If you drive in a dusty
area, you should change your oil every
3,000 miles
(5 000 km) or three months (whichever comes first)
unless the display indicates changing
it sooner. The
system doesn't check
how much oil you have, so
you'll still have to check for that. To see how, see
"Engine Oil" in
the Index.
When new oil is added, you'll need to reset the system.
To reset, display the Oil Life Indicator by pressing the
INFORMATION button. Then press and hold the RESET
button until the display shows 100 OIL LIFE LEFT.
Electronic Level Control
This feature keeps the rear of your vehicle level as the
load changes. It's automatic
-- you don't need to
adjust anything.
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Your vehicle will need service more often when you’re
pulling a trailer. See the Maintenance Schedule for more
on this. Things that are especially important in trailer
operation are automatic transaxle fluid (don’t overfill),
engine oil, belt, cooling system and brake adjustment.
Each
of these is covered in this manual, and the Index
will help you find them quickly.
If you’re trailering, it’s
a good idea to review these sections before you start
your trip.
Check periodically
to see that all hitch nuts and bolts
are tight.
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Section 6 Service and Appearance Care
Here you will find information about the care of your
Cadillac. This section begins with service and fuel
information, and then it shows how to check important
fluid and lubricant levels. There is also technical
information about your vehicle, and a part devoted
to its appearance care.
Service
Your Cadillac dealer knows your vehicle best and wants
you
to be happy with it. We hope you’ll go to your
dealer €or all your service needs. You’ll get genuine GM \
parts
and GM-trained and supported service people.
We hope you’ll want to keep your GM vehicle all GM.
Genuine GM parts have one of these marks:
Doing Your Own Service Work
If you want to do some of your own service work, you’ll
want to get the proper Cadillac service manual. It tells
you much more about how to service your Cadillac
than
this manual can. To order the proper service manual, see
“Service and Owner Publications” in the Index.
Your vehicle has an air bag system. Before attempting to
do your own service work, see “Servicing Your Air
Bag-Equipped Cadillac” in the Index.
You should keep a record with all parts receipts and
list the mileage and the date
of any service work you
perform. See “Maintenance Record” in the Maintenance
Schedule booklet.
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I A CAUTION:
You can be injured and your vehicle could be
damaged if
you try to do service work on a
vehicle without knowing enough about it.
Be sure you have sufficient knowledge,
experience, and the proper replacement
parts and tools before you attempt any vehicle maintenance task.
Be sure to use the proper nuts, bolts and
other fasteners. “English’ and “metric”
fasteners can be easily confused. If you use
the wrong fasteners, parts can later break
or fall off. You could be hurt.
Fuel
Use premiurn unleaded gasoline rated at 91 octane or
higher.
At a minimum, it should meet specifications ASTM
D4814 in the United States and CGSB 3.5-M93 in Canada.
Improved gasoline specifications have been developed by
the American Automobile Manufacturers Association
(AAMA) for better vehicle performance and engine
protection. Gasolines meeting the
AAMA specification could provide improved driveability and emission control
system protection compared to other gasolines.
Be sure the posted octane for premium is at least
91. If
the octane is less than
91, you may get a heavy knocking
noise when you drive.
(In an emergency, you may be
able to use a lower octane
-- as low as 87 -- if heavy
knocking does not occur.) If you’re using
91 or higher
octane unleaded gasoline and you still hear heavy
knocking, your engine needs service.
If your vehicle is certified to meet California Emission
Standards (indicated on the underhood tune-up label),
it is designed to operate on fuels that meet California
specifications. If such fuels are not available
in states
adopting California emissions standards, your vehicle
will operate satisfactorily on fuels meeting federal
specifications, but emission control system performance
may be affected. The malfunction indicator lamp on
your instrument panel may
turn on and/or your vehicle
may fail a smog-check test. If this occurs, return to your
authorized Cadillac dealer for diagnosis to determine the
cause
of failure. In the event it is determined that the
cause of the condition is the type of fuels used, repairs
may not be covered by your warranty.
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4. Unhook both air cleaner cover latches. One latch is
located near
the radiator hose (not shown) and the
other latch is located next to the
IAT sensor.
5. Pivot the air cleaner and air duct assembly towaras
the front
of the vehicle. Remove the cover.
6. Take out the air filter and remove any loose debris
that
may be found laying in the air cleaner base.
7. Install a new air filter element. See “Normal
Maintenance Replacement Parts” in the Index.

Downloaded from www.Manualslib.com manuals search engine Follow these steps to reinstall the air cleaner assembly:
1.
2.
3.
4.
5.
Slide the air cleaner lid into the slots in the front
edge of the
air cleaner base.
Pivot the air cleaner cover and the
air duct assembly
downward. Make sure that both latches are secure
and fully engaged.
Reinstall the clean air duct
over the mass airflow
sensor. Make sure that the duct is secure around the
entire outer edge of the sensor.
Tighten the air duct clamp. Reconnect the
IAT sensor.
Refer to the Maintenance Schedule
to determine when to
replace the air filter.
See “Scheduled Maintenance Services”
in the
Maintenance Schedule booklet.
I A CAUTION:
Operating the engine with the air cleaner off can
cause you or others to be burned. The
air cleaner
not only cleans the air, it stops flames if the
engine backfires.
If it isn’t there, and the engine
backfires, you could be burned. Don’t drive with
it
off, and be careful working on the engine with
the
air cleaner off.
NOTICE:
If the air cleaner is off, a backfire can cause a
damaging engine fire. And, dirt can easily get
into your engine, which will damage it.
Always
have the air cleaner in place when you’re driving.
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Automatic Transaxle Fluid
When to Check and Change
A good time to check your automatic transaxle fluid
level is when the engine oil is changed.
Change
both the fluid and filter every 50,000 miles
(83 0oO km) if the vehicle is mainly driven under one or
more of these conditions:
In heavy city traffic where the outside temperature
In hilly or mountainous terrain.
regularly reaches
90°F (32°C) or higher.
0 When doing frequent trailer towing.
0 Uses such
as found in taxi, police or delivery service.
If you do not use your vehicle under any of these
conditions, the fluid
and filter do not require changing.
See “Scheduled Maintenance Services” in the
Maintenance Schedule booklet.
How to Check
Because this operation can be a little difficult, you may
choose to have this done at
your Cadillac dealership
service department.
If you do it yourself, be sure to follow all the instructions
here,
or you could get a false reading on the dipstick.
I NOTICE:
Too much or too little fluid can damage your
transaxle.
Too much can mean that some of the
fluid could come out and fall on hot engine parts
or exhaust ,system parts, starting a fire. Be sure to
get an accurate reading if
you check your
transaxle fluid.
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