A8L V8-4.2L (BFM) (2004)
Heater Core: Service and Repair
Left Heat Exchanger (Driver's Side), Removing and Installing
Left Heat Exchanger (Driver's Side), Removing And Installing
Removing
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Removing right heat exchanger (front passenger's side)
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Remove driver's storage compartment.
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Remove entire accelerator pedal module.
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Remove left footwell vent.
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Cover carpet under heat exchanger with impermeable sheeting and absorbent paper.
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Remove clamp -A- and -B-.
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Detach coolant pipes -C- and -D- from heat exchanger -E-.
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Push heat exchanger -E- towards front passenger's side (sideways through heating and A/C unit).
Installing
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Check attached foam seal before fitting heat exchanger.
NOTE:
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Seal may curl up on insertion if not correctly bonded on.
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Cold air may flow past heat exchanger if seal is damaged or not properly fitted.
Install in reverse order, paying attention to the following:
NOTE:
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Sealing rings must always be replaced.
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To stop heat exchanger slipping back into heating and A/C unit, it is advisable to insert heat exchanger for front passenger's side into heating and
A/C unit and secure holder with bolt -C-.
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Push heat exchanger from front passenger's side sideways through heating and A/C unit.
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Fit O-ring seals, coolant pipes and fasteners in same manner as that described for right heat exchanger.