A/C Compressor Sub-Assembly
A/C Compressor Sub-Assembly
Special tools, testers and auxiliary items required
• Torque wrench (V.A.G 1331/) (or 5-50 Nm equivalent)
• The auxiliary component bracket for A/C compressor and ancillary parts can be removed and installed without opening the refrigerant circuit.
• To remove ribbed belt:
• Position of ribbed V-belt => [ Ribbed Belt Routing ]
1 Ribbed belt
2 Ribbed belt pulley - refrigerant pump
3 Tensioning roller
4 Auxiliary component bracket for generator and A/C compressor
• No. on auxiliary component bracket (038 903 143 AF )
Removing
- Loosen A/C compressor, unscrew hex-bolts - 9 -. Remove A/C compressor from auxiliary component bracket and secure to body with appropriate material (e.g. welding wire) => [ Securing A/C compressor to body ]
- Remove bolts from auxiliary component bracket.
When installing, note tightening sequence => [ Auxiliary component bracket tightening sequence ]
5 Fitting bolt
• 25 Nm
6 Generator
7 Dowel sleeves
• Qty. 2
• Ensure proper seating between auxiliary component bracket and A/C compressor
8 A/C Compressor
• Removing and installing => [ A/C Compressor ] A/C Compressor
9 Hex bolts M8•100
• Qty. 3
• 25 Nm
10 Fitting bolt
• 25 Nm
Securing A/C compressor to body
If A/C compressor is removed and refrigerant circuit not opened, A/C compressor must be secure to body using appropriate material, a welding wire for example.
Ensure refrigerant hoses remain on A/C compressor without tension for this.
• When installing the belt ensure it is correctly seated in the ribbed belt pulley.
• Last, install ribbed belt over ribbed belt pulley of A/C compressor.
Auxiliary component bracket tightening sequence
• Bolts - 1 - and - 2 - are fitting bolts.
- First tighten bolts in 1 to 5 sequence by hand.
- Then tighten bolts in 1 to 5 sequence to 25 Nm.
Ribbed Belt Routing
1 Tensioning roller
2 Ribbed belt pulley - generator
3 Idler rollers
4 Ribbed belt
5 Ribbed belt pulley - A/C compressor
6 Ribbed belt pulley - crankshaft
7 Ribbed belt pulley - refrigerant pump