Removing and installing ancillary bracket, engine codes: BGU, BSE, BSF, BSX — VW

Removing and installing ancillary bracket, engine codes: BGU, BSE, BSF, BSX
Special tools and workshop equipment required
Torque wrench
V.A.G 1331
(5…50 Nm)
Note
The ancillary bracket and related components can be removed and installed without the refrigerant circuit being opened.
To remove poly V-belt
Rep. gr.
13
.
Course of travel of the poly V-belt without vane pump
Fig.
Course of travel of the poly V-belt with vane pump
Fig.
Bracket for alternator, vane pump and air conditioner compressor
Take account of the fact that there are different versions
Electronics Parts Catalogue
.
Removing
Remove alternator
Rep. gr.
27
.
Release and detach connector
arrow
from air conditioner compressor.
Loosen air conditioner compressor and remove hexagon bolt
6
. Remove air conditioner compressor from ancillary bracket and secure to body with suitable material (e.g. welding wire)
Fig.
.
Undo bolts
1
to
4
,
10
and
11
and remove ancillary bracket
1
from cylinder block.
Installing
Strictly observe tightening sequence of securing bolts:
Tighten socket head flange bolts, positions
2
(dowel hole),
10
(dowel hole),
4
,
11
,
5
and
3
, one after the other.
Socket head flange bolt M10×45
Dowel hole
52 Nm
Socket head flange bolt M10×45
52 Nm
Socket head flange bolt M10×45
52 Nm
Socket head flange bolt M10×45
52 Nm
Hexagon bolt
35 Nm
Dowel sleeve
Force it back slightly before installing vane pump.
Hexagon bolt M8x100
Qty. 3.
25 Nm
Air conditioner compressor
Removing and installing
Chapter
.
Socket head flange bolt M10×45
Dowel hole
52 Nm
Dowel sleeves
Qty. 2.
Ensure proper seating between ancillary bracket and air conditioner compressor.
Vane pump
Removing and installing
Rep. gr.
48
.
Belt pulley
Bolt
23 Nm
Socket head flange bolt M10×45
52 Nm
Alternator
Removing and installing
Rep. gr.
27
.
Bolt
Specified torque
Rep. gr.
27
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 refrigerant hoses on air conditioner compressor are not stressed.
Course of travel of the poly V-belt without vane pump
Tensioning roller
Poly V-belt pulley for alternator
Poly V-belt pulley for air conditioner compressor
Poly V-belt
Poly V-belt pulley for crankshaft
Note
When installing poly V-belt, ensure that it is correctly seated on poly V-belt pulley.
Finally, place poly V-belt over pulley of air conditioner compressor.
Course of travel of the poly V-belt with vane pump
Tensioning roller
Belt pulley - alternator
Belt pulley - air conditioner compressor
Vane pump
Poly V-belt
Pulley - Crankshaft