volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Repair work on refrigerant circuit which may be performed only in appropriate workshops by specially trained mechanics > < Engine codes: BGP, BGQ, BTK, CBTA and CBUA
Engine codes: BUB, CBRA
Engine codes: BUB, CBRA
Special tools and workshop equipment required
   
t  Torque wrench -V.A.G 1331/- (5…50 Nm)
  Note
t  The ancillary bracket for air conditioner compressor and related components can be removed and installed without the refrigerant circuit being opened.
t  To remove poly V-belt: → Engine; Rep. gr.13
t  Poly V-belt routing → Fig.
  W00-0427
1 - Poly V-belt
q   Removing and installing → Power unit; Rep. gr.13.
2 - Poly V-belt pulley for coolant pump
3 - Tensioning roller
4 - Ancillary bracket for alternator and air conditioner compressor
t  Number on ancillary bracket -038 903 143 AF -
Removing
–  Loosen air conditioner compressor and remove hexagon bolt -9-. Remove air conditioner compressor from ancillary bracket and secure to body with suitable material (e.g.welding wire) → Fig..
–  Unscrew bolts from ancillary assembly bracket.
Note tightening sequence when installing → Fig..
5 - Fitted bolt
q   25 Nm.
6 - Alternator
7 - Dowel sleeves
q   Qty. 2
q   Ensure proper seating between ancillary bracket and air conditioner compressor.
8 - Air conditioner compressor
q   Removing and installing → Chapter
9 - Hexagon bolt M8x100
q   Qty. 3
q   25 Nm.
10 - Fitted bolt
q   25 Nm.
11 - Idler rollers
q   40 ± 4 Nm.

   
Securing air conditioner compressor to body
If compressor is removed without opening refrigerant circuit, it should be secured to body using suitable material, for example, welding wire.
When doing this, ensure that refrigerant hoses on air conditioner compressor are not strained.
  Note
t  When installing poly V-belt, ensure that it is correctly seated on poly V-belt pulley.
t  Finally, place poly V-belt over pulley of air conditioner compressor.
  N87-0382
Tightening sequence for ancillary assembly bracket
  Note
Bolts -1- and -2- are fit bolts.
–  First tighten bolts in sequence 1 to 5 hand-tight.
–  Then tighten bolts to 25 Nm in sequence 1 to 5.
  A13-0824
Poly V-belt routing
1 - Tensioning roller
2 - Poly V-belt pulley for alternator
3 - Idler rollers
4 - Poly V-belt
5 - Poly V-belt pulley for air conditioner compressor
6 - Poly V-belt pulley for crankshaft
7 - Poly V-belt pulley for coolant pump
  N27-10424

Repair work on refrigerant circuit which may be performed only in appropriate workshops by specially trained mechanics > < Engine codes: BGP, BGQ, BTK, CBTA and CBUA