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– Slide back thermal protective covers -D- and -E- far enough
that -VAS 3093- -F- can be installed on the coolant hoses
-A- and -B-.
– Clamp off coolant hoses -A- and -B-.
– Clamp off the ventilation hose -C- (to coolant expansion tank),
with a -3094- -G-.
– Cover the area beneath connections for coolant hoses -A- and
-B-, for example, with a paper towel.
– Remove coolant hoses -A- and -B- from connections to A/C
unit heater core. Refer to⇒ Engine Mechanical; Rep. Gr. 13 ;
Removal and Installation .
– Connect a section of hose -A- onto upper connection.
– Hold a container -B- under the lower connection -C-.
– Using a compressed air gun, carefully blow coolant out of
heater core (into container -B-).
– Remove bolt -A- from connector flange -B- (so that coolant
pipes can be moved to remove heater core).
– Remove storage compartment on driver side. Refer to⇒ Body
Interior; Rep. Gr. 68 ; Removal and Installation .
– Remove front part of center console. Refer to⇒ Body Interior;
Rep. Gr. 68 ; Removal and Installation .
– Remove left footwell vent -A- (driver side). Refer to⇒ Body
Interior; Rep. Gr. 68 ; Removal and Installation .
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
146 Rep. Gr.87 - Air Conditioning
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