182 Checking and filling
Checking the engine coolant level
Proceed carefully when checking the coolant.
Fig. 144 Convertible top: se rvice position
Fig. 145 Convert ible top sto rage bay: coo lant expan
sion tank
Before you check anything in the engine com
partment,
always read and heed all WARN
INGS c:::> &_ in Working in the engine compart
ment on page 173
and park your vehicle on a
level surface.
The coolant expansion tank is located in the
right side of the convertible top storage bay
under the round metal cover
c:::> fig. 145. The
convertible top must be in the service position
to check the coolant leve l
c:::> fig. 144.
Bringing the closed convertible top into
the service position
.. Switch the ignition on .
.. Pull and hold the convertible top switch .
.. Press and hold the rear window switch too
until the convertib le top moves into the
service position
c:::> fig. 144.
Bringing the open convertible to into the
service position
.. Switch the ignition on.
.. Press and hold the convertible top switch. ..
Press and hold the rear window switch too
until the convertible top moves into the
service position
c:::> fig. 144.
Opening the coolant expansion tank cover
.. Stop the engine and allow it to cool.
.. Switch the ignition off .
.. Care fully remove the bolts in the cover@
using a screwdriver and remove the cover.
The coolant reservoir is located below
¢fig. 145.
Checking the engine coolant level
.. Place a rag or cloth on the cap of the coolant
expansion tank and turn the cap
carefully to
the left (counter-clockwise)
c:::> .&, .
.. Read the coolant leve l inside the coolant ex
pansion tank¢
fig. 145. With a cold engine,
it must be above the "min" mark. With a hot
eng ine, it can be a little above the indicated
range.
To obtain an accurate reading, the engine must be switched off.
The expansion tank in your vehicle is equipped
with an electric coo lant level sensor
c:::> page 15. We still recommend you check the
coolant level from time to time .
Coolant loss
Coolant loss may indicate a leak in the cooling
system. In the event of coolant loss, the cool
ing system should be inspected immediately
by your authorized Audi dealer. It is not
enough merely to add coolant.
In a
sealed system, losses can occur on ly if
the boiling point of the coo lant is exceeded as
a result of overheating .
A WARNING
-- The cooling system is under pressure. Do
notopenthecapofthecoolantexpan
sion tank when the engine is hot. You
ris k be ing sca lded.
- The coolant additive, and therefore the
coo lant itself, is haza rdous to hea lth .
Keep the coolant additive in the original
