Assembly overview - poly V-belt drive, air conditioner compressor — VW

Assembly overview - poly V-belt drive, air conditioner compressor
Poly V-belt
Poly V-belt routing
Fig.
.
Mark direction of rotation with chalk or felt pen before removing.
Check for wear.
Do not kink.
Removing and installing
Chapter
Bolt
Contact surface for securing bolt must be free of oil and grease.
Oil threads before inserting.
Secure belt pulley against turning with
counterhold tool
3415
Observe tightening procedure
Chapter
“
Removing and installing vibration damper
”
.
Turning further can be done in several stages.
The turning further angle can be measured with a commercial protractor.
Renew after removing
150 Nm +180°
Belt pulley
For crankshaft.
With diamond coated washer (clipped onto crankshaft belt pulley).
Removing and installing
Chapter
Contact surfaces must be free of oil and grease.
Secure belt pulley against turning with
counterhold tool
3415
Removing and installing poly V-belt
Chapter
.
Diamond coated washer
Clipped onto belt pulley.
Bolt
Counterhold with
water pump wrench
V.A.G 1590
when loosening and tightening. Modify
water pump wrench
V.A.G 1590
for this
Chapter
.
20 Nm
Belt pulley
For coolant pump.
Bolt
9 Nm
Vacuum hose
To
coolant circuit solenoid valve
N492
on intake manifold.
Coolant pump
Removing and installing
Chapter
Idler roller
Secured to top bracket for ancillaries.
With or without dust cap
40 Nm
Bolt
23 Nm
Alternator
To facilitate attachment of alternator, knock back threaded bushes for securing bolts slightly.
Bolt
Renew after removing
40 Nm + 90°
Bolt
Specified torque
Fig.
Air conditioner compressor
Removing and installing
Heating, air conditioning system
Rep. gr.
87
.
Bolt
23 Nm
Dowel sleeve
Bottom ancillary bracket
For tensioning element and air conditioner compressor.
Removing and installing
Chapter
Poly V-belt tensioning element
To remove, remove bolt
Item
.
Specified torques for ancillary bracket
Stage
Bolts
Specified torque
1.
1
Screw in to stop by hand
2.
1
Tighten to 23 Nm.
Poly V-belt routing
1
Coolant pump pulley
2
Idler roller
3
Alternator pulley
4
Tensioning roller
5
Air conditioner compressor pulley
6
Crankshaft pulley