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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
www.westfaliaT3.info - a useful website for owners and enthusiasts of VW Westfalia T25 / T3 Campervans
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ALPHABETICAL INDEX
page
Introduction 2
Instrument illumination 46
Instrument panel 4 Instruments 40
Interior light 63,133
Jack and tools 123 Jack points 126
Keys 7
Kickdown 37
Lane changer 48
License plate lights 133 Lifting vehicle 140
Light switch 46 Light alloy wheels 92
Lights 46,130
Locks 7
Lubricants 98
Luggage compartment 28
Maintenance 95
Maintenance booklet 2
Manual Transmission 32 Manual Transmission Oil 102
Mirrors 13
Notes to owner 2 page
Octane rating 86
Oil change 100
Oil filter changing 101 Oil pressure warning light 43
OXS (Oxygen sensor) 144
Parking 31,145
Parking brake 31 Pedals 29
Power steering 103
Power windows 12
Radio 5, 135
Rear lid 11 Rear seat bench/bed combination 26
Rear view mirrors 13
Rear window defogger 47
Rear window wiper/washer 50
Refill Tank 105
Reverse 32
Roof rack 68
Safe driving hints 70
Safety belts 14
Safety belts warning light 18
Safety compliance sticker 151
Seats 20 Secondary heat exchanger 53
Selector lever 35 page
Service manuals 152 Side marker lights 132
Sliding door 10 Sliding roof 62
Sliding windows 12
Snow chains 119 Spare wheel 124
Spark plugs 146
Speedometer 40
Speed ranges 69
Starter switch 38 Starting procedures 39
Steering lock 38
Stopping engine 39
Sunroof 62 Sun visors 67
Switches 46
Swivel seats 22 Syncro Differential lock 33
Driving with the-all-wheel-drive . . 75
Snow chains 119
Technical Information 142 Towing 139
Tachometer 41
Tail lights 132
Technical data 146
www.westfaliaT3.info - a useful website for owners and enthusiasts of VW Westfalia T25 / T3 Campervans
