A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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Sound Proofing / Insulation: Service and Repair
Noise insulation, removing
Auxiliary heating with bolted exhaust system
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On vehicles with auxiliary heater, remove parking/auxiliary heater exhaust pipe screws - arrows - on noise insulation.
Auxiliary heating with inserted exhaust system
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After installing noise insulation, check location of exhaust pipe - A - ; a seal - B - must be installed between exhaust pipe and noise insulation.
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Exhaust pipe must project below seal and the escape of exhaust from the pipe - A - must not be impaired.
Noise insulation, removing
