1990 VOLKSWAGEN TRANSPORTER ignition

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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

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

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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VEHICLE
CARE

ENGINE
COMPARTMENT LID

mu
have access to the engine compart-

•Mit
lid from inside the luggage compart- -ent.

"lb
open the
lid,
roll the floor covering out of
~9
way and
turn
both lock handles to the
Tb close the lid, reverse the above proce- ;jre.
ENGINE
COMPARTMENT
Always exercise extreme caution when
working on the engine. WARNING
•
Before you check anything in the en­
gine compartment, stop the engine,
fully set the parking brake and remove
the ignition key.

•
Do not work on
your
car if you are
tired or ill, under emotional stress or under influence of drugs, medication
or alcohol.

•
Always let the engine cool down. Hot
components will burn skin on contact.

•
Do not spill engine oil, ATF, brake

fluid,
antifreeze and washer solvent on hot engine components, especially not
on the exhaust system.
These
fluids
are
flammable.

•
Always disconnect the battery
ground strap if you must work on the

fuel
system or the electrical system.
Never
smoke or work near heaters or
other fire hazards if you must work
around
fuel.
Always keep an approved
fire extinguisher immediately
avail­
able.
Be
especially careful if engine is run­

ning:

•
If work must be done with the engine
running, always fully set the parking

brake,
and make sure the shift lever is
in Neutral (Manual transmission) or

Park
(Automatic transmission).

•
Always be alert and extremely
cau­

tious around the engine at
all
times par­
ticularly when the engine is running.

•
Always exercise extreme caution to

prevent
neckties,
jewelry,
long hair or
loose clothing from getting caught in
the fan blades, the V-belts, or any other
moving
engine parts.

•
To avoid electrical shock and per­

sonal
injury
never
touch ignition ca­
bles
or components of the high voltage
electronic ignition system while the en­
gine is running or even when starter is

cranked.

97


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VEHICLE CARE
Adding
coolant

Turn
off the
engine
and allow it to cool
down.

WARNING
Reduce the
risk
of scalding
from
hot

coolant
by
following
these
steps.
• If the cap
from
the expansion
tank

must
be
removed
wait
until
the
engine

has cooled down. The cooling system
is
under
pressure.
•
Protect
face, hands and
arms
by
covering the cap
with
a
large,
thick
rag
to
protect
against
escaping
fluid
and steam.
•
Carefully
and
slowly
turn
cap one

turn
to
allow
excess pressure to es­ cape
before
completely
removing
cap.

Top
up coolant in refill tank. Only when
cooling
system was drained or a lot of
cool­
ant needs to be added, also
fill
expansion
tank.

To
maintain the anti-corrosion properties of the coolant, the antifreeze concentra­
tion should not be reduced, even during
the warm
season.
Increasing
the
antifreeze
in the
coolant

to
more
than
60% is not
only
unecono­ mical, it is also
detrimental
to
engine

cooling.

Only
use quality phosphate-free anti­

freeze
containing ethylene glycol. Such antifreeze is available at your Volkswagen

dealer.

Antifreeze,
other
than
specified by Volks­
wagen,
may cause corrosion of the cool­ ing system,
leading
to
engine
over­

heating
and
damage.

Only
for topping-up coolant, a small amount of antifreeze containing ethylene

glycol
and phosphates may be
used,
if rec­
ommended antifreeze is not available.
• After adding coolant, run the engine at
idle speed for a few seconds.
• Wait for the radiator fan to switch on

and
off again.
• Check coolant level. Add more coolant
if necessary.

Do
not overfill the system.
Excess
coolant will be forced out through
the pressure relief valve in the reservoir
when the engine becomes hot.
Screw cap on
again
tightly.
Radiator
fan

The
electric radiator fan (located in
fror:
r the car behind grille) is controlled by !':
moswitches
from the coolant and enc
TE

compartment temperature.

After
turning
off the
engine,
the
radiate

fan can
continue
to run (up to 10 r>
nutes).
It may also suddenly
start
to rx

again
even
with
the
ignition
switched
c*

Notes
• If the radiator fan does not come c
when the coolant temperature is very high

check
the fuse and replace it if necessar, - see page 129.
• The speed of the radiator fan does nc

depend
on the engine
speed,
therefore
cooling
effect cannot be increased b.
downshifting. As long as the engine runs smoothly and driving an uphill road does
not considerably reduce
speed,
there is n:
need
to downshift.

Always
heed
WARNINGS
on
page
97.


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DO-IT-YOURSELF-SERVICE
FUSES

A
failure in the electrical system may be
caused
by a burned fuse.

Fuses
are arranged in one centralized

unit.
The
unit
is located on the
left
side under the dashboard behind a cover.

Removing
cover:

Detach cover at
front,
swing downwards
and take it off.

Installing
cover:

Hang
cover in the eyes of fuse box
bracket, swing it upwards and press it

firmly
into
position.
Replacing
a
fuse

Before
replacing
a fuse,
turn
off all
lights

and accessories and
remove
the
ignition
key to
avoid
damaging
the
electrical

system.
• Consult the fuse listing on the following
page to
find
out which fuse belongs to the
component
that
has failed.
• Remove blown fuse
with
the plastic clip
located on cover in
front
of fuse box.
Three spare fuses can be attached to the
bottom
of the fuse panel. It is good plan­ning to keep a supply of spare fuses on

hand.
They are available at your Volks­
wagen dealer.
• Replace the blown fuse which can be
recognised by the
burnt
metal strip,
with
a
fuse of equal ampere rating. If a
fuse
blows
repeatedly,
do not
keep
or

replacing
it. The cause of the
short
cir­

cuit
or
overload
must
be found. On nc

account
should fuses be
patched
up

with
tin
foil
or
wire
as
this
may cause serious
damage
elsewhere
in the
electrj

cal
circuit
or cause a
fire.

WARNING
Do not use a
fuse
of
higher
amperage,

because
this
could
damage
the
elec­

trical
part
and
fire
can
result.

128


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I TECHNICAL
DESCRIPTION

ENGINE
MANUAL
TRANSMISSION

AUTOMATIC
TRANSMISSION

• Four stroke gasoline engine in rear.
• Four cylinder horizontally opposed.
• Crankshaft
with
four main bearings.
• Liquid cooling system, thermostatically
controlled.
• Thermoswitch operated electric fan. • Pressure oil feed
with
gear - type
pump and
full
flow
filter.

• Self-adjusting hydraulic valve filters.
• AFC (Airflow controlled) fuel injection.
•
Paper
element air cleaner.
• Exhaust emission control system
with

activated charcoal
filter
in the fuel system.
• Breakerless electronic ignition. • Single plate, dry clutch.
• Synchronized four speed transmission

and'
differential in one housing
with
com­

mon lubrication.
•
Rear
wheel drive,
with
two constant
velocity joints per drive shaft.
Syncro • Hydraulically operated single plate

clutch.

• Baulk synchronised 4-speed manual
transmission
with
additional Low-speed
traction gear (4+L transmission).
• Permanent four-wheel drive through

viscous
coupling.
• Manually operated differential lock for
rear final drive available as optional extra. • Hydrodynamic torque converter an:
planetary gearing
with
three forward an:
one reverse gear.
• Final drive in separate housing.
•
Rear
wheel drive,
with
two constar:
velocity joints per drive shaft.


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TECHNICAL
DESCRIPTION

EMISSION
CONTROL SYSTEM
In the
interest
of
clean
air Pollution of our environment has become

a
problem
that
is of increasing concern to
all of us. We urge you to
join
us in our ef­

forts
for cleaner air in controlling the pollu­
tants emitted from the automobile.

You
can make a significant contribution to
keeping our air clean by:
• Always using lead free gasoline.
• Not
letting
your vehicle idle
unnecessa­

rily.
• Following the recommended preven­
tive maintenance schedule contained in
the maintenance booklet.
• Not removing or altering the emission
control system.
• Taking the precautions described
below to prevent damage to the emission
control system in your vehicle.

Volkswagen
warrants the Emission
Con­
trol
System in your new vehicle under the
terms and conditions set
forth
in the War­ ranty booklet.

Your
Volkswagen is equipped
with
such a
system,
which contains the following major components.
Catalytic
converter

The catalytic converter is an efficient
"clean-up"
device
built
into
the exhaust system of the vehicle. The catalytic conver­
ter burns the undesirable pollutants in the exhaust gas before it is released
into
the
atmosphere.
The
exclusive
use of
unleaded
fuel
is cri­
tically
important
for the
life
of the
cataly­

tic
converter
and
proper
functioning
of
the
engine.

The
catalytic
converter
will
be
perma­
nently
damaged
by
•
exceeding
the "max"
marking
when

adding
engine
oil (see
page
99)
• push or tow
starting
your
vehicle

•
misfiring
of the
engine

•
turning
off the
ignition
while
the

vehicle
is
moving
or
•
other
unusual
operating
conditions. Do not
continue
to
operate
your
vehicle

under
these
conditions, as
otherwise

fuel
can
reach
the
catalytic
converter.

This could
result
in
overheating
of the
converter,
requiring
its
replacement.

For
maintenance intervals refer to your
Maintenance booklet.

Oxygen
Sensor (OXS)
The oxygen sensor, installed in the exhaust manifold, continuously
senses

the oxygen content of the exhaust and

signals
the information to an electronic
control
unit.

Carbon
canister

The vehicle is equipped
with
a carbon canister to prevent fuel vapor from
esca­
ping
into
the atmosphere.
The vapor is passed
into
the carbon canister, where it is retained when the
engine is turned off. When the engine is running, a valve allows air
into
the canister,
and the fuel vapor is passed to the engine
for combustion.
The system does not require any main­
tenance.

144


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