engine VOLKSWAGEN PASSAT 2003 Repair Manual

Engine compartment
thing that
To detect leaks in time, inspect the vehicle floor pan from under­neath regularly. If you see spots from oil or other vehicle fluids, have your vehicle inspected by an autho­
rized VOLKSWAGEN dealer or quali­fied workshop.
34 -----------------

cap . . . . . . . 37
3 - Brake
reservoir ............. 43
4 - Engine
dipstick .............. 37
5-expansion tank .......... 41 5-
washer container ..... washer container .....

Engine
with an
you need to add
viscosity
grade
use but
VW or
-
Engine oil identification symbol
Another
1 - The top portion indicates the
36 -----------------AND

Engine
no standard ra­
te of
AND
Checking the engine
The position of the
is warm.
To get a true reading, the
ground.
After turning off the
Reinsert dipstick; push it
A -You must not add
B-You can add The
After checking the
37

Adding engine
Turn off the engine . The engine
Unscrew the head cove r. ce see Booklet 1. 1.
Add by a ting properties of ring the
screw the cap back on and
insert the dipstick
additives
more often if you drive shor t di­
stances. operate the in dusty areas
or under predominantly stop-and-go traffic
conditions. or have your
where
ded periods .
Detergent additives
in the make
fresh

Engine
requires attention .
The
at the
factory with a permanent
consists of a mixture of water and the -antifreeze on a for USA and
ponents in the engine's system
from corros ion and
point of the
in the summer by adding water. The proportion of
to maintain antifreeze
tion and
This additive is
Under no circumstances may G12
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Checking the engine
when you
check the oil.
To obtain an accu ra te reading, the engine
must be switched off.
marks when the engi­
n e is col d and can
be slightly above the
Indicator
blink until
the coolant level has been restored to nor­
mal.
losses may indicate a leak in the
cooling sys tem. In the event of coo la n t los ­
ses, the cooli ng sys tem should be inspec­
t ed immediately by your authorized
WAGEN dealer. It is not enough merely to add coolant.
In a sealed system, losses
can occ ur on ly if
the boiling point of the coolant is exceeded as a result of over heating .
AND FILLING----------------41

AND ADVICE
Adding
down­ward pressure on the top of the cap.
the correct ratio between water and antifreeze (see previous page) must be
you have a
wate r
Do not
reused. Always dispose of used coolant observing
radiato r fan is by
thermos witches that switch on and off
and engine ment temperatures.

Do not disconnect the
pro­
tect the battery housing from
Winter operation
During the winter months. battery capacity
tends
to decrease as temperatures drop.
More power is consumed
short distances . Let your VOLKS­WAGEN
charged battery prevent star­
ting but
battery is
chamber at the back of the engine compart­
ment. -see

Charging of battery
the
Before charging the battery, switch off
the ignition and consumers.
Make sure the area is
is not necessary to remove the battery
from the engine compartment. and it is
ch arger
Charger cables must be connected
Switch on charger.
For more details see next page.
48-----------------AND