A4 Sedan V6-3.2L (BKH) (2007)
Refrigerant: Description and Operation
Refrigerant Circuit
Refrigerant Circuit
=> [ Component Overview ]
=> [ Refrigerant Circuit O-Ring Seals ]
‹› Repair work on refrigerant circuit. Refer to => [ Refrigerant Circuit, Servicing ] See: Refrigerant Circuit, Servicing.
‹› All work or components marked with 1) can be repaired, replaced or performed in any workshop (work that does not pertain to refrigerant circuit).
‹› All refrigerant circuit components not marked with 1) as well as all coolant hoses and lines can only be serviced or replaced in an A/C system
service point workshop.
‹› In vehicles with an 8-cyl. engine, the compressor is driven by a shaft not a belt.
Component Overview
HD = High-pressure end
ND = Low-pressure end
1 - A/C Compressor Regulator Valve (N280)
‹› Checking activation and function. Refer to => [ Test Step 6 ] See: Heating and Air Conditioning/Testing and Inspection/Component Tests and
General Diagnostics/Climatronic Control Module A/C Control Head Electrical Test 1)