Audi Workshop Service and Repair Manuals

Notes:

• ◆ All AC components not marked with an * can be repaired/renewed in any VW and Audi workshop (repair work not involving the refrigerant circuit).
• ◆ All AC components marked with an *, as well as all refrigerant hoses and pipes, can be repaired/renewed in a VW and Audi air conditioning service centre only.
• ◆ Repairing refrigerant circuit .

HD = High-pressure end

ND = Low-pressure end

• Oil drain plug *
• Air conditioner magnetic clutch -N25
• ◆ Repairing => Page 87-26.
• ◆ Check and adjust gap width between pulley and clutch plate => Page 87-26.
• Compressor *
• ◆ Removing and installing compressor bracket

=> Relevant Workshop Manual Engine Mechanical Components

• ◆ Removing and re-attaching compressor from/to bracket
• ‒ 4-cyl. petrol engine.
• ‒ 4-cyl. diesel engine => Page 87-24.

Notes:

• ◆ Removing and installing ribbed belt.

=> Relevant Workshop Manual Engine Mechanical Components

• ◆ Mark direction of ribbed belt before removing - reversing the direction of rotation can destroy the belt.
• ◆ Only compressors manufactured by Sanden were installed up to model year 1999.
• ◆ A compressor manufactured by either Sanden or Zexel can be installed in vehicles as of model year 1999.

=> Parts List

• Pressure relief valve *

• Condenser *
• Fluid reservoir *
• Service connection *
• ◆ High-pressure end

• Cap
• ◆ With seal, must always be fitted.
• Connection with valve *
• Air conditioner pressure switch
  -F129 / high-pressure sensor -G65
• ◆ High-pressure sensor -G65 will gradually replace air conditioner pressure switch -F129 (as of model year 1999, initially vehicles with 1.6 l engines).
• ◆ Function, removing and installing pressure switch -F129 => Page 87-18.
• ◆ Check function of high-pressure sensor -G65 and signal emitted .
• ◆ Remove and install high-pressure sensor -G65 .
• Expansion valve *

• Evaporator *
• Cap
• ◆ With seal, must always be fitted.
• Service connection *
• ◆ Low-pressure end

• Pre-volume *