A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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Check the condensation drain hoses for proper seating. Refer to => [ Condensate Drain Hose ] See: Hose/Line HVAC/Description and Operation.
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Before installing instrument panel, check foam seals - A - to - D -, replace damaged seals if necessary.
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Install removed components, except driver's storage compartment and glove compartment, in reverse order.
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Check coolant hoses to heater cores are secured. Refer to => [ Left Heat Exchanger ] See: Heater Core Case/Service and Repair.
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Bleed coolant circuit, connect 2-pin harness connector to pump valve unit only after bleeding coolant circuit. Refer to => [ Pump Valve Unit,
Checking ] See: Heater Control Valve/Testing and Inspection/Pump Valve Unit, Checking
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Before installing driver's storage compartment and glove compartment, check cooling system for leaks, paying particular attention to connection
between coolant pipes and heater cores. Refer to => [ Left Heat Exchanger ] See: Heater Core Case/Service and Repair.
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Install glove compartment, driver's storage compartment and remaining components removed.
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Evacuate and re-charge refrigerant circuit. => Refrigerant R134a - Servicing
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Check the DTC memory for the Rear A/C Control Module (Climatronic) (E265) and the Climatronic Control Module (J255) front A/C control
head and erase any stored DTCs vehicle diagnosis, testing and information system VAS 5051 in the "Guided Fault Finding" function.
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Perform a basic setting and output diagnostic test mode on the A/C system vehicle diagnosis, testing and information system VAS 5051 in the
"Guided Fault Finding" function.
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Operate the A/C system after filling the refrigerant circuit. Refer to=> [ Operating A/C System after Filling Refrigerant Circuit ] See: Description
and Operation/Operating A/C System after Filling Refrigerant Circuit
‹› Note the information regarding operating the A/C system after filling => Refrigerant R134a - Servicing.