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VEHICLE CARE
V-BELT
Always heed WARNINGS on page 102.
115
system.
and
erature.
Do not overfill the
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 is controlled by
thermoswitches from the coolant
engine compartment temp
WARNING
After turning off the engine, the radia-
tor fan can continue to run (up to 10
minutes). It may also suddenly start to
run again even with the ignition
switched off.
Note
§
If the radiator fan does not come on
when the coolant temperature is very
high, check the fuse and replace it if
necessary – see page 136.
the radiator fan does
the engine speed,
by downshifting. As long as the
ngine runs smoothly and driving an up-
es not considerably reduce
speed, there is no need to downshift.
ou have to add, only
§
The speed of
not depend on
therefore cooling effect cannot be incre-
ased
e
hill road do
Winter operation
At the beginning of the winter season,
have the coolant checked for antifreeze
concentration. If y
use quality phosphate-free antifreeze
containing ethylene glycol which is avail-
able at your Audi dealer.
The ratio between water and antifreeze
depends on the anticipated outside tem-
peratures.
Tension checking
Correct V-belt tension is important for
overall vehicle performance.
Tensioning and replacing of V-belts
should be performed by your Audi de-
aler or a qualified workshop.
See page 163 for V-belt designations.
WARNING
§
To prevent serious personal
injury stay well clear of the V-belt
when the engine is running. If you
must check the V-belt tension turn the
engine off and let it cool down. Hot
components can burn skin on contact.
§
Never touch the radiator fan
blades. They will rotate spontaneously
when the thermoswitch turns the fan
on. The radiator fan switches on auto-
matically when the coolant reaches a
certain temperature and will continue
to run (even with ignition off) until the
coolant temperature drops. This may
last up to about 10 minutes.
Summary of Contents for 100 Quattro
Page 1: ...1990 Audi 100 Audi 100 quattro Owner s Manual...
Page 2: ......
Page 6: ...INSTRUMENT PANEL AND CONTROLS 4 INSTRUMENT PANEL AND CONTROLS 4...
Page 158: ...TECHNICAL DESCRIPTION THE CONCEPT OF THE ALL WHEEL DRIVE...
Page 170: ...CONSUMER INFORMATION...
Page 172: ...GAS STATION INFORMATION LOCATION OF SERVICE POINTS...
Page 177: ...NOTES...
Page 178: ...NOTES...
Page 180: ...Audi 100 Audi 100 quattro Nordamerika english 7 89...