TT L4-1.8L Turbo (BEA) (2004)
Heater Core: Service and Repair
Heater Core, Removing and Installing
Heater Core, Removing And Installing
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Remove heating and A/C unit.
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Remove screws -C-.
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Depress tabs -B- and pull (lift) heater core -A- from housing.
Notes on installing:
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When installing heater core, always secure it in the heater flap housing with two suitable screws -C- (e.g. self-tapping screws, 3.2 x 20 mm). This
also applies even if the heat exchanger was originally only clipped in place.
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The heater core is installed in the heater flap housing without an all-around seal.
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Replace seal -A- and ensure it is properly seated against contact surface -C-.
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Reattach coolant hoses according to coolant flow direction indicated on heater core.
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Heater core configuration without quick-connect couplings illustrated here (coolant flow direction -arrow B-).