A8L Quattro Sedan W12-6.0L (BSB) (2005)
Housing Assembly HVAC: Removal and Replacement
Installing
Installing
Installation is carried out in the reverse order, when doing this note the following:
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Replace seal - A - between plenum chamber and A/C unit.
NOTE:
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Check other seals, replace if necessary Parts Catalog
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Connect coolant hoses to heater core accurate to side.
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Secure all hose connections with standard hose clamps or clips as used in series production, or approved replacement parts Parts Catalog
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When inserting A/C unit, make sure that wiring to actuators (in plenum chamber) and seal - A - is not jammed or damaged by studs.
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Check damper element - C - for proper seating.
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After installation, check grommet between engine compartment and plenum chamber for proper seating.
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Seal 4 bolts - A - (left and right) in plenum chamber (e.g. using Terolan D 511 500 A2). Parts Catalog
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Check the evaporator drain hoses for proper seating.