octane VOLKSWAGEN CARAVELLE 1992 T4 / 4.G Owners Manual

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GENERAL
MAINTENANCE
Fuel

Petrol
engines
Vehicles
with
catalyst

62 and 81 kW Fuel
injection
en­
gines
Unleaded
regular
petrol

RON11 not
lower
than
91

rQp
On
vehicles
with
catalytic
con-
<35
verter
only
unleaded
petrol
may
be
used.

The
use of leaded petrol is very detrimental
to the functioning of the emission control
system
because the lead is deposited in the
catalytic converter.
rijK
Even
one
tankful
of
leaded
pet-
®5
rol
will
detract
from
the
effi­

ciency
of the
catalytic
converter.

Although unleaded fuel may again be used
afterwards the original efficiency of the
catalytic converter is never fully attained.
On
vehicles
with
Lambda probe2' the mix­
ture formation is also negatively affected.
11
Octane
Number, indicates the ignitability of
Diesel

2) Lambda = Air/petrol relationship Vehicles
without
catalytic
con­

verter

62 kW
Carburettor
engine

unleaded
or leaded
regular
petrol

RON1) not
lower
than
91

i-Op
In the
interests
of our
environ-

ment
unleaded
petrol
should
be

used
whenever
possible.

Notes

• Unleaded petrol must comply
with
DIN3' 51 607 and leaded petrol
with
DIN 51 600.
• Only good quality petrol containing addi­ tives should be used - see also" Petrol addi­

tives"
next column.
• If in an emergency the octane rating of the available petrol is lower than
that
re­quired by the engine, only drive
with
me­
dium engine speeds and low engine load­
ing.
High
engine
loading
with
full

throttle
or
high
revs
can cause en­
gine
damage.
Fill tank
with
petrol of the
correct rating as soon as possible.
31 Standards issued by the German Standards Institution.
Petrol
additives

The
quality of the fuel has a decisive influ­
ence
upon the running behaviour, perform­

ance
and service life of the engine. The addi­
tives which are mixed into the petrol are of particular significance. One is advised
therefore only to use good
quality
pet­
rol
containing
additives.

If such fuel is not available, or if engine
troubles such as starting difficulties, stalling during idling, vibration and loss of power
occur,
the appropriate additives should be
mixed
with
the petrol when filling the tank.
At temperatures between about 0 and 15
degrees
C, these additives prevent possible icing up of the carburettor, have an anti-cor­
rosion effect, clean the fuel system and pre­
vent deposits building up in the engine.

Petrol
additives available in accessory
outlets have not all shown themselves to be
effective. Therefore additives which have

been
tested for
Volkswagen
engines are av­

ailable
from Volkswagen dealers in
Ger­
many and in many export countries. The

Volkswagen
dealers are also informed
with
regard to the use of additives, and they know what to do in
cases
where deposits

have
already built up.

SB
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ALPHABETICAL
INDEX

K

Keys
7
34

L

^ambda probe 86, 137

Lap
belt 17

Lashing
eyes 28 Lifting vehicle 134
Lighting 50
Lighting switch 50
Loading/sleeping surface 26
Lubricant additives 99
Lubricants 96 Luggage compartment 28
Luggage compartment cover 27
M

M
& S tyres 116 Maintenance 93
Make-up mirror 73
Manual gearbox 31
Masking
headlights 129
Maximum engine speed 77 Maximum speed 142

Mileage
recorder 40
Mirror heating 14
Mirrors 13 Mobile telephones 117
Modifications 117
Moving radiator forwards 104
Multi function indicator 42
N
Number plate lights 126
o Octane rating 86
Oil
capacity 153

Oil
change intervals 98

Oil
consumption 97

Oil
pressure 47

Oil
specifications 96

Oils
96
Output 141
Outside mirror 13
P
Paint care 89
Paint number 154
Parking 138 Parking lights 52 Parking lock 33

Payload
148

Pedal
29 Performance figures 142

Permissible
GVW 148 Petrol
-Additives 86
- Consumption 143
- Quality 86
Petrol vapour accumulator 138
Pivoting seats 21

Power
assisted steering 100
Power
flow
139
R

Radio
129

Rear
axle load 148
Rear
fog
light
51, 126

Rear
lights 125

Rear
seat bench 23

Rear
window wash/wipe 54
Recirculating air switch 61 Removing seat 22

Renewal
of parts 117
Restraint systems 18

Rev
counter 46
Reverse
gear 34

Reversing
lights 31
Roof
load 75, 148

Roof
load carrying system 75

Roof
rack 75 Running-in 76
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