VOLKSWAGEN TRANSPORTER 1990 T4 / 4.G Repair Manual

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I
CONTROLS AND EQUIPMENT
AUXILIARY HEATER* (Syncro models only)
The auxiliary heater* heats the coolant in the heating circuit and supplies the heat exchanger in the normal heating system
and the additional heat exchanger* for the
passenger compartment heating with heated coolant.
The system is switched off and on or the
switch-
on time preselected by means of a
switch and indicator unit located on the left under the instrument panel.
Air distribution and regulation is done with the controls of the normal heating and
ven­

tilation system (see "Ventilation/Heating"
on page 51).
The auxiliary heater can be used with vehicle stationary or when it is moving.
When vehicle is stationary, the heater only runs for a maximum of 30 minutes in order
to avoid draining the battery. It also switches off automatically when a coolant
temperature of 80° C (175° F) is reached.
When the coolant temperature drops below 70° C (158° F) the heater is auto­matically switched on again. The heater runs on fuel from the vehicle
tank and uses up to half a litre (one quart) per hour. Controls
A - Buttons for setting time and
preselected time
B - Indicator lamp for preselected time
C - Preselected time D - Display
E - Actual time
F - Heater on/off
G - Warning lamp (Heater on)
60 "where applicable


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CONTROLS AND EQUIPMENT

Setting
the
time
•
Press
and hold clock button E.
• Set clock
with
buttons A.

The
display lights up as long as button is
oressed.
When button is released the dis­
play goes out or, if a time has been pre­

selected,
the selected time lights up for 2

sees.

To
switch
heater
on or off • This is done by pressing button
F.
When
-eater is switched on the warning lamp G ghts up.

To
ensure
that
the heater starts the lever ;or the heat output must be pushed fully to
:ie
right.
This
closes
an electrical contact.
Preselecting
starting
time
for
heater
stationary operation, ignition off)
With buttons C two different switch-on
:imes
can be selected within 24 hours.
•
Press
and hold button. The appropriate
*:gure 1 or 2 appears in display. The ready- •or-action lamp lights up.
• Set required switch-on time
with
but­
tons A. The display remains on for about 20 seconds after releasing button C.
To
ensure
that
the heater starts up at the

selected
time, the lever for the heat output must be pushed fully over to the
right.
In
addition to this the blower must be
switched to Stage 1. On account of the higher current consumption, a higher

stage
should only be selected in isolated

cases.

Switching
preselected
time
off • The preselected time can be switched
off by briefly pressing the appropriate but­
ton C. The ready-for-action lamp and the figure in display then go out.
Fuses

The
fuses for the auxiliary heater are in an additional holder behind the main fuse
box.
Notes

• Every time the heater is switched off,
the warm air and combustion air blowers
continue running briefly to cool the heater
down quicker.
• To avoid draining the battery, do not run
the heater repeatedly when the engine is not running.
• When driving through mud and snow,
the exhaust pipe may tend to get blocked.
Have
a look at it occasionally to see
that
it

is
clear.

WARNING
Never
start
the
heater
or let the
engine

or the
heater
run in an enclosed,
unventilated
area.
Exhaust
fumes
from

the
engine
or the
heater
contain
carbon monoxide,
which
is colorless and odor­

less.
Carbon monoxide,
however
is a

very
harmful
gas, and may be
fatal
if in­ haled.
Due to the
risk
of
fire
the
heater
must

not be used
when
vehicle
is
parked
on
dry grass, brush or leaves.


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CONTROLS AND EQUIPMENT

SLIDING
ROOF*
SUN
ROOF*

To open pull crank handle out of recess
and
turn
counter-clockwise.
To close
turn
crank handle clockwise.

The
sliding roof is locked in any position.

WARNING

To
reduce
the
risk
of personal
injury
in an
accident
or sudden stop,
always

fold
the
handle
back
into
its recess
after
use.

Note:
If the roof is difficult to move after a while,

clean
and lubricate the guide rails. See
page
92.
The
roof is opened and closed
with
the
knurled disc in the headlining above the

front
seats.

The
roof can be
tilted
at the rear as desired or taken out altogether.
Raising
Turn knurled disc clockwise.
Lowering

Turn knurled disc anti-clockwise. To
take
out
• Turn retaining screw (A) in centre of
knurled disc one quarter
turn
clockwise
(e.g.
with
a coin)
with
roof
closed.

• Then raise roof and press it up.
•
Press
locking lever (B) up. • Detach roof.
• Lift roof from outside and pull it out tc
the rear.
To put
back
• Slide roof back into the hinges and let it
drop lightly into the retainers.

WARNING
Ensure
that
the
roof
is
properly
insert­

ed
into
the two
retaining
hinges at the

front,
and locked at the
rear.

The
roof
must
only
be unlocked
when
vehicle
is
stationary.

62 "where applicable


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CONTROLS AND
EQUIPMENT

NTERIOR
LIGHTS

Switch
positions
-ront
interior
light:

Up
-ON-with doors open 3enter -OFF
Down -ON-with doors closed

Rear
interior
light:
Jp/front -ON-with doors open
3enter -OFF
Down/rear -ON-with doors closed

Reading
light
on the dashboard |p -Off
Down -On CIGARETTE
LIGHTER

•
Push
knob in.
When lighter is ready for use, it will spring
back.

The socket of the cigarette lighter may be
used
for 12
volt
appliances
with
maximum
consumption of up to 100 watts, such as hand spot
light,
small vacuum cleaner, etc.

WARNING
Cigarette lighter and socket remain
functional even after the ignition key is
removed.
Therefore, never leave
chil­

dren inside the vehicle
without
super­

vision.

63


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CONTROLS AND EQUIPMENT
ASHTRAYS
To remove ashtray from dashboard, grip the strip on opened lid and lift at one side
to take out.
To replace, move ashtray lid to closed position and press into housing. To remove passenger compartment
ashtray, open tray, press down and pull
out.
To replace, first insert upper edge, and then slide ashtray all the way into housing.
WARNING Never use ashtrays as waste paper re­
ceptacles fire hazard! GLOVE COMPARTMENT
To open - Squeeze the two lock latches to­
gether
To close - Press door upwarc until lock engages
To lock or unlock * - Turn key B to right or left
WARNING
To reduce the risk of personal injury in an accident or sudden stop, keep glove compartment closed while driving.
*where applicable


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CONTROLS
AND EQUIPMENT
FOLDING
TABLE*

Folding
the table up

To
release
the table from its
locked
posi­

tion,
push against the lower part of the
:abletop.

Swing
the table upwards until it
locks
into
its horizontal position.
Folding
the table down

Pull
the
release
lever and swing the table
top down (see illustration).

To
secure
the table top, push it against the
side
panel until it
locks
into
place.
WARNING

•
The
table
top release does not have
a locking device,
therefore
take
care not to unintentionally fold down the
table.

•
To prevent personal
injury,
the
table

top must be folded down and locked
into
place
while
driving.

where
applicable


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CONTROLS AND EQUIPMENT
FLUORESCENT LAMP* CUP HOLDER*
1B25-544]
The switch found beside the fluorescent lamp is used to switch the lamp on and off.
Caution
To save battery power, do not leave the fluorescent light switched on when the ve­hicle is unattended. The cup holders in the passengers com­
partment should always be folded up
when not in use. Fold the upper part up
and the lower part downwards.
66 'where applicable


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CONTROLS AND EQUIPMENT]
VANITY MIRROR* ASSIST HANDLES/COAT HOOKS*
N VISORS
>fcu
can
lift
the
visor
on the
driver's side
out

cf
the
center mounting
and
move
it
toward
Te
door window
to
protect against side :
are.
[B25-377J

A
vanity mirror is
located
on the
back
of
the
sun
visor
on the
passenger's side.
To illuminate
the
vanity mirror, slide
the
switch (arrow).
When
the sun
visor
is
tilted
up,
illumination is shut
off
automatically. Assist handles
and
coat hooks
are

intended
for
your convenience.
WARNING • Hang clothes
in
such a way that they
do
not
impair
the
driver's vision.
•
Do not
hang heavy objects
on the

coat hooks,
as
they could cause per­
sonal injury
in the
event
of a
sudden
stop.
'where applicable 67


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CONTROLS
AND
EQUIPMENT

ROOF RACK 3REAK-
If a roof rack should be installed, note the
following:
• Use only roof racks which attach to the
rain gutters.
• Always distribute loads evenly.
• Never exceed the vehicle's
total
load
carrying capacity. See page 150 for de­
tails.
• When transporting maximum permis­

sible
loads, large or bulky items, or long,

flat
shaped objects, bear in mind
that
they

will
influence the vehicle's aerodynamics,
center of gravity and overall handling. To
counterbalance these influences, adjust steering habits and driving speed accord­
ingly.
• When the roof rack is not in use,
remove the roof rack to reduce wind

noise,
improve on fuel consumption and
to guard against
theft.

68


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3REAK-IN
PERIOD

VEHICLE
OPERATION]
DURING AND
AFTER
BREAK-IN PERIOD

Turing
the first few operating
hours,
the

r-gine's
internal friction is higher than
a:er
when all the moving parts
have
been

:-oken
in. How well this break-in
process

e
done
depends
to a
considerable
extent
:n
the way the
vehicle
is driven during the

-"-3t
900
miles
(1500 kilometers).

For
the first 600 miles
(1000 kilometers):

•
Do not use full
throttle.

•
Do not drive faster
than
3A of top

speed.

•
Avoid high engine speeds.

From
600 to 900 miles
(1000 to 1500 kilometers):

The
speed
can gradually be
increased
to
:he
maximum road
speed
or
engine
speed.

After break-in period
The maximum permissible engine speed
is
5200
rpm and should not be exceeded.
Shift into the higher gear before reach­ing the red area at the end of the scale of
the tachometer. See page 41.

Excessive
engine
speeds
are automati­

cally
reduced.
•
Details
on how to operate the
Manual

and
Automatic
transmission
are outlined

in
the
"Controls
and
equipment"
chapter.

•
Avoid full
throttle
starts and abrupt

stops.

•
Try to avoid running the engine at
maximum speed. Shifting up early helps
to save fuel and reduces noise.

•
Do not overstrain engine; select pro­
per gear before reaching top speeds.

•
Do not let engine labor. Shift down
when engine no longer runs smoothly.

•
All
revs
are only
valid
when
engine
is

properly
warm.

•
Always
observe
local
and national

speed
limits.

Applies
in addition to vehicles
with
Automatic
Transmission:

Make
it a habit to
accelerate
gradually

instead
of
using
full throttle. During
gra­

dual
acceleration
the
transmission
shifts

earlier
into the next higher
gear
thus

saving
fuel.
WARNING

•
New tires do not
possess
maximum
traction. They tend to be slippery. Break new tires in by driving cautiously
at moderate speed for the first 100 miles (160 kilometers).

•
New brake pads and linings do not
have optimum friction properties and
must be "broken in" during the
initial
100 to 150 miles (150 to 200 kilometers)
of normal city driving. You can compen­ sate for this by applying more pressure

on
the brake pedal. This also applies
later
when new pads or linings are
installed.


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