1990 VOLKSWAGEN TRANSPORTER engine

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CONTROLS AND
EQUIPMENT

Malfunctions

if the
unit
does not
operate

• Outside temperatures may be below
41° For + 5°C.
• The air conditioner fuse may have blown. Turn the
unit
off and check fuse.

See
page 129 for use panel location.
General
hints

If
water
drips
under
the
vehicle

When outside temperature is high and the
air very humid, condensed water can drip
off the evaporator under the vehicle. This
is
normal and does not indicate a leak.

Payload
reduction

The weight of the air conditioner installed in your vehicle reduces the vehicle's load
carrying capacity. For weight information,

see
sticker on
left
doorjamb.

Maintenance
The condenser should be checked peri­
odically for cleanliness. If clogged
with

dirt
or insects, the condenser should be
washed down
with
water.
After the winter months and before ex­
tended summer
usage,
the air conditioner should be checked and, if necessary, ser­
viced by your Volkswagen dealer.


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AUXILIARY HEATER*
CONTROLS AND EQUIPMENT
~jrn the auxiliary heater on and off with the :amperature switch, located on the right of
fee steering column. Use the same switch

ID
regulate the heat.
depending on vehicle model, the warm air
lows from the footwell vents for the pas­ senger compartment and/or from a con-
tollable vent under the driving seat. The a r distribution cannot be controlled.
While driving, the heater can be operated rontinuously. When the engine is not run-

-:ng,
the heater will shut off automatically
after 10 minutes to save battery power.
"he auxiliary heater is running on fuel from our fuel tank. Fuel consumption varies
according to operating conditions and
-eat output (approx. 1 US qt or one liter
zer hour). 0
Switch knob positions 0 - Heater off.
0—1 — Heateron (engine stationary)
2 - Heateron (engine running)
2-3 - Temperature adjustment range. Engine stationary/ignition off
Heater on:
From position 0, push knob in and turn
clockwise. Switch knob control light will
come on. Knob will spring back out when
released.
Adjust temperature by turning
knob between positions 2 and 3.
Heater off:
The clockwork in the temperature regulat­ ing switch switches the heater off auto­
matically after about 10 minutes and the
lamp goes out.
To switch off before clockwork has run

down:
Turn temperature regulating switch
anti­

clockwise to 0. The lamp goes out and
clockwork runs down.


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CONTROLS AND EQUIPMENT

Engine
running

Heater
on -
Turn knob clockwise to position 2. Switch knob control light will come on. Adjust
temperature by turning knob between positions 2 and 3.

Heater
off -
Turn switch knob counter-clockwise to position 0. Switch knob control light will go
out.
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 the heater is running on the
clockwork time switch, it must be switched
off by hand before attempting to start the
engine at low temperatures so
that
the

full
battery capacity is available to
turn
the
engine.

WARNING
Never
start
the
heater
or let the
engine

or the
heater
run in an enclosed, un-

ventilated
area.
Exhaust
fumes
from

the
engine
or the
heater
contain
carbon monoxide,
which
is colorless and
odorless. Carbon monoxide,
however
is a
very
harmful
gas, and may be
fatal

if inhaled.
Due to the
risk
of
fire
the
heater
must

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

During the winter and when driving over
very poor roads, mud or snow may tend to

accumulate
in the exhaust and combus­
tion air intake pipes. Have these pipes
checked
for blockage from time to time so

that
the heater can continue to work.
58


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CONTROLS AND EQUIPMENT
lie heater has a safety switch which is lo- :ated under the dash on the left near the
steering column. If the heater does not
start, or starts and then stops again, wait
3 minutes and then operate the red lever
on the safety switch.
[f the heater still does not work or if the
safety switch stops it again, there is a de-
:ect in the heater which can only be re- :aired by a Volkswagen workshop. Fuses
The auxiliary heater is equipped with two
fuses,
one 16 amp fuse for the entire heater and one 8 amp fuse for the over­
heating switch. Both fuses are located in a
fuse holder behind the fuse panel on the left side under the dashboard. When the
fuse for the overheating switch is blown,
the fan is working however no heat is

delivered.

If the replacement fuse blows again, have
the heater checked by your Volkswagen dealer.
59


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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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