1992 VOLKSWAGEN CARAVELLE ignition

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DO-IT-YOURSELF
• Only
use
jumper cables
with
insulated
clips.

•
A
flat
battery can freeze
at
-10 degrees
C
and
if
a battery is frozen
it
must be thawed
out before connecting jumper
cables,
other­
wise
it
could explode.
• There must
be no
contact between
the
vehicles,
otherwise current
can
flow
as

soon
as
the
plus terminals are connected.
•
The
flat
battery must
be
properly
con­
nected
to the
electrical system.
• The engine
of
the boosting vehicle must be running.
•
The
jumper cables must only
be
con­
nected as follows:
1. One end
of (+)
cable (usually red)
to the
(+)
terminal
of
the
flat
battery.

2.
Other end
of
the red cable
to the (+)
ter­
minal
of
boosting battery.

3.
One end
of (-)
cable (usually black)
to the (-)
terminal
of
boosting battery.

4.
Other
end of
black cable
(X) to a
solid metal part bolted
to
the block
or to
cylinder
block itself.

Do
not
connect the cable
to
the
flat
battery
minus terminal. The sparks could ignite
the

explosive
gas flowing
out of the
battery.
Attention

•
The non-insulated parts of the
cable clips must not touch one
another on any account. Further­ more the jumper cable attached
to the
battery
positive terminal must not come into contact
with

electrically conductive vehicle parts - Short circuit danger!

•
Route the jumper cables so

that
they cannot come into
con­

tact
with
rotating parts in the en­ gine compartment.

•
Do not stand
with
your face
over the
battery
- danger of acid
burns!

•
Keep sources of ignition (naked flames, burning
ciga­
rettes
etc.)
well
away from the

battery
- Explosion danger!
• Start
the
engine
as
described
in the

"Starting engine" section.
•
If
the engine does not start
at
once, stop using starter after
10
seconds, wait about
half
a
minute and then
try
again.
• With engine running, disconnect cables in reverse sequence.
-.3'
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DO-IT-YOURSELF
Tow
starting/towing

General
notes

• "owing eyes are provided on the
right
under
front
and rear bumpers.

Tow-ropes
or bars should be attached at

these
points only.

On
vehicles
with
a factory
fitted
towing bracket a towing eye is not fitted. On those

vehicles
the towing bracket can be used for
towing.
• The tow-rope should be slightly elastic to reduce the risk of damage to both ve­
hicles.
It is advisable to use synthetic fibre

ropes,
or ropes of similar elastic material. It
is
however
safer
to use a
tow-bar!

Avoid
excessive towing
effort
and do not

jerk.
During towing operations on other than
surfaced
roads there is always the danger

that
the attachment points will be over­
loaded
and damaged.
•
Before
trying
to
start
engine
by
towing,
the
battery
from
another
ve­
hicle
should be used for
starting
if
possible - see previous page. If the
vehicle
has to be tow
started

or
towed
at any
time,
the
following

must
be noted:
•
Check
whether there are any local traffic regulations concerning the towing of ve­

hicles.

• Both drivers must be familiar
with
tow­ ing procedures. Inexperienced drivers

should
not attempt to tow start or tow.
• When using a tow-rope the driver of the towing vehicle must engage the clutch very gently when moving off and changing gear.
• The driver of the vehicle being towed must ensure
that
the tow-rope is always

taut.
• The emergency lights must be switchec
on on both vehicles - unless local regula­
tions differ.
• Turn ignition key to "Drive" position sc
that
the steering wheel is free and the
turr
signals,
horn, and, if necessary, the wind­

screen
wiper and washer can be
used.

• As the brake servo only works when the engine is running, considerably more pres­

sure
is required on the brake pedal when the
engine is not running.
• On vehicles
with
power assisted steer­ ing more force is required to
turn
steering
wheel when engine is not running.
• When there is no lubricant in the manua or automatic gearbox, the vehicle may only

be
towed
with
driving wheels lifted.
132
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DO-IT-YOURSELF
Tow
starting

The
following
points
must
be
noted
when
tow
starting:

•
Before
moving off, engage 2nd or 3rd gear.
• Switch ignition on.
• As soon as engine starts, depress clutch and move gear lever
into
neutral to avoid running
into
the towing vehicle.
• On
vehicles
with
a
catalytic
con­
verter
the
engine
must
not be
started
by
towing
the
vehicle
in ex­
cess of 50 m1. Because
then,
un-

burnt
fuel
can pass
into
the con­

verter
and cause
damage.

• For
technical
reasons tow
start­
ing a
vehicle
with
an
automatic

gearbox
is not possible.
Towing

When
towing
vehicles
with
an
auto­

matic
gearbox,
the following points must be noted in addition to the details on
the previous page:
• Selector lever at "N".
• Do not have the vehicle towed faster than 30 mph (50 km/h).
• To not tow
further
than 30 miles (50 kilo­ meters). If the vehicle has to be towed long distances
it must be
lifted
at the
front.

Reason:
When the engine is not running,
the gearbox oil pump is not working and the
gearbox is not adequately lubricated for high speeds or long distances.
• With a breakdown vehicle the vehicle may only be suspended at the
front.
Reason:
If given a rear suspended tow, the
drive shafts
turn
backwards. The planetary

gears
in the automatic gearbox then
turn
at

such
high speeds
that
the gearbox will be

severely
damaged in a short time.

Does
not apply to 50 kW Diesel engine
with

catalytic converter

133
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TECHNICAL
DESCRIPTION

Engine
• 4 stroke petrol/Diesel engine, trans­
verse
installation
• 4/5 cylinders in-line
• Cast-iron cylinder block
• 5/6 bearing crankshaft
• Sheet metal sump
• Alloy cylinder head
• Valves operated via toothed belt and overhead camshaft
• Maintenance free valve gear
with
hy­ draulic tappets
• Cooling system filled for life of vehicle
• Radiator
with
separate expansion tank • Electric radiator fan controlled by ther-
moswitch
• Maintenance free electronic ignition
• Long-life spark plugs
• Optical and acoustic oil pressure warn­ ing
• Low maintenance battery
with
high starting capacity
• Long-life low maintenance V-belts
• Thermostatically controlled intake air preheating
• Dry air cleaner
with
paper element • Fuel
injection
engines
have fully
electronic engine management (combined
control of injection and ignition systems).
• Emission control system
with
Lambda probe on petrol engines (not in all Export
markets)
•
Diesel
engines
with
distributor injec­
tion
pump
with
cold start aid,
filter
preheat­
ing,
self-bleeding fuel system
• Long life exhaust system.
'36
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TECHNICAL
DESCRIPTION

Emission
control
system<122>

The exhaust emission control system effec­
tively reduces
the
amount
of
pollutants
in

the exhaust gas.
Petrol
engines

The main parts
of the
emission control
sys­

tem
are

•
a
mixture formation system which guar­ antees very exact composition
of
the air/pe­

trol
mixture
at all
engine speeds
•
the
catalytic converter
•
the
Lambda probe1'
The
catalytic
converter
is
installed
in

the exhaust system.
It
consists
of a
steel-
cased
ceramic
or
metal body containing
a
multitude
of
longitudinal
passages
which
are vapour coated
with
a
thin
layer
of
plati­
num
or
rhodium.
The exhaust gas flows through
the
catalytic converter
and
reacts
with
an
afterburning
process
when
it
contacts
the
precious
metal coating.

Lambda
=
Air/petrol relationship
)B19-
129
In
this process three pollutants (three-way
catalytic converter)
are
converted
as
fol­
lows.

• Carbon monoxide
to
carbon dioxide
• Hydrocarbons
to
water
• Nitrogen oxide
to
nitrogen
(four
fifths
of
the
air we
breathe
is
nitrogen).

A
stipulation
for the
proper functioning
of

the catalytic converter, however,
is
that
the
exhaust gas has
a
certain specific composi­

tion
and
minimum temperature when
it

enters
the
catalytic converter. To obtain this
composition, exact regulation
of the
fuel/air mixture
is
required. Avery exact regulation

is
obtained
with
a
Lambda probe. The Lambda
probe*
is
fitted
in the ex­

haust pipe where
it
measures
the
exhaust

gas
composition continuously. The informa­

tion
signal
is
fed
to
an electronic control
unit

which
in
turn
regulates
the
mixture forma­

tion
system so
that
the
mixture
is
kept
con­

stantly correct.
The exhaust emission control system tech­ nology
is so
well developed
that
no
addi­
tional maintenance whatsoever
is
required.

To
maintain
the
effectiveness
of the
emission
control system,
the
following
must
be
noted:
• Only
fill
up
with
unleaded petrol
- see
page
86.

• Never
run
tank completely empty
-
see page
85.

•
Do not
overfill engine
oil -
see page
98.

•
Do not
switch
off
ignition whilst driving - see page
39.

•
Do not tow
start vehicle
for
more than 50 m-see page 133.
137
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TECHNICAL
DESCRIPTION

Attention
Due to high temperatures which
can occur in the catalytic
con­

verter in very unfavourable conditions, the vehicle should not be parked so that the catalyt­
ic converter can come into
con­

tact with inflammable materials.
If whilst driving, the engine mis­
fires, loses power and runs uneven­ ly,
this
could be due to a fault in the ignition system. In a
case
like this,
unburnt fuel can enter the exhaust
system and then escape to atmos­
phere.
Furthermore, the catalytic
converter could become damaged
due to overheating. The vehicle
speed must be reduced immediately
and the defect should be eliminated
at the nearest Volkswagen dealer.
Note
Even
in the
case
of a
perfectly working
ex­

haust emission control system there can, under certain engine operating conditions,
be
a
sulphur-type exhaust
smell.

This
depends upon
the
sulphur content
in
the fuel being
used.
Quite often this can
be
remedied
by
select­
ing another brand
of
fuel
or,
filling
up
with

unleaded premium petrol.
50
kW
Diesel
engine

An
oxidation catalytic converter
is
fitted
in

the exhaust system
of
this Diesel engine.
It
consists
of
a steel-cased ceramic body
con­

taining
a
multitude
of
longitudinal
passages

which are vapour coated
with
platinum. The catalytic converter largely eliminates
the
unpleasant smelling hydrocarbons
and

turns carbon monoxide
into
carbon dioxide.
In addition
an
exhaust
gas
turbocharger
forces
air
into
the
cylinder, causing
the
en­
gine
to
operate
with
a high
excess
of
air. The
fuel which is then injected in is so complete­ ly
burnt,
that
under
full
load soot is no longer
visible
in the
exhaust.

As
the
diesel engine catalytic converter
does
not get
hotter than
a
conventional
ex­
haust system, under normal conditions
there
is
nothing special
to be
noted, this

applies
also
to
parking.
The system does
not
require any additional

care
or
maintenance.
Activated
charcoal
filter*

Vehicles
with
a
regulated catalytic
con­

verter,
in
Germany
and
other export countries, have
a
fuel system which
in­

cludes
an activated charcoal
filter
(petrol va­pour accumulator).
The activated charcoal
filter
prevents
the

fuel vapour escaping
into
the
atmosphere.

These
vapours
pass
into
a
container filled

with
activated charcoal and, when
the en­
gine
is
stationary they
are
accumulated
in

the activated charcoal. When
the
engine
is
running,
the
container
is
automatically
ventilated
by
opening
a
valve
and the
fuel
vapour
is fed
into
the
engine
for
combus­
tion.
The system works completely automati­

cally
and
is
maintenance-free.
138
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Spark
plugs

V-belts

The
spark plugs are renewed during the

Volkswagen
Inspection Service If the spark plugs have to be renewed be­
tween the Inspection
Services,
the follow­ ing should be noted:
• Engine, spark plugs and ignition system are matched to one another. To avoid faulty
operation and even engine damage only the
Genuine
Volkswagen spark plugs for the en­
gine concerned should be
used.
Important,

among other things, are the number of elec­
trodes, the heat value and if necessary the radio suppression.
• The plugs may be, for technical reasons,
changed
at short notice during the current model year. It is therefore advisable to ob­
tain plugs only from Volkswagen dealers -
they have the latest information

Engine
Genuine
Part
Number

62 kW 101 000 026AA/N 9 BMC
81 kW 101 000 001
AE/14-8
DTU
101 000 005
AE/W8
DTC
101 000 007AB/N7 BYC
101 000 027
AB/BP
5 ET • The V-belts are among the most severe­
ly stressed parts of a vehicle. The belts
must therefore be subjected to very high
quality requirements.
• When renewing a belt it is not sufficient to use
just
any belt of the same
size.
For
safe
operation only the special Genuine

Volkswagen
belt for the vehicle concerned
should
be
used.
The correct belts can be ob­
tained from Volkswagen dealers under the
Genuine
Part number given.
• The V-belts may be, for technical
rea­
sons,
changed at short notice during the
current model year. It is therefore advisable
to obtain V-belts only from Volkswagen
dealers
- they have the latest information.
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ALPHABETICAL
INDEX

Engine
-Code
letters 154

-Data
141
- Intervals of oil change 93

-Number
154

-Oil
96 - Oil capacity
1
53
- Oil change intervals 98
- Oil consumption 97
- Oil level 97
- Oil pressure 47
- Starting/stopping 37

Engine
compartment 95

Engine
compartment
light
72
Engine
number 154 Environment
- Activated charcoal
filter
738

-Battery
707
- Brake
fluid
705 - Care of car 88
- Coolant 103
- Driving environment consciously 79 - Driving
with
low emissions/noise 79
- Emission
control
system 737
- Engine oil 98
- Filling the
tank
85
-Fuel 86 - Maintenance 93
-Old oil 98 - Old
tyres
712 - Petrol vapour accumulator .... 738
-
Tyre
pressure
7
70
- Tyres 7 72
- Unleaded
fuel
86
- Washing the vehicle 89

F

Fan
103

Filling
the tank 85

Filter
preheating 87

First
aid kit 118

Fog
lights 51, 125
Folding
seat 25

Foot
mats 29

Fresh
air ventilation 56
Front axle load 148 Front seats 20

Fuel
86

-Additives
86, 87

-Consumption
79,143
- Filter 116
- Filter preheating 87 - Gauge 46
- Saving 79

Fuses
122

G

Gear
change marks 40, 77

Gear
lever 31

Gearbox
oil 99

Glove
box 74
Glow
plugs 38
H

Handbrake
31
Head
restraints 19

Headlight
beam control 50

Headlight
flasher 52

Headlight
washer system 54

Heated
rear window 51

Heating
55, 57

High
beams 48

Horn
4
I
Identification data 154
Ignition
lock 36

Increased
payload 149

Inertia
reel belts 16 Inside mirror 13
Inspection intervals 98
Installing seat 22

Instrument
lighting 50
Instruments 40
Interior
lights 72, 126
Intervals of inspection 93
Intervals of oil change 93

J
Jack
120

Jacking
points 120

Jumper
cable 130

157
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