Removing and installing alternator, 3.2 l V6 engine — VW

Removing and installing alternator, 3.2 l V6 engine
Caution
Please note the following points during all assembly work, in particular in the engine compartment, due to the narrow installation conditions:
Route electrical wiring so that original wiring layout is restored.
Make sure there is adequate clearance from all moving or hot components.
Alternator on vehicles with Start/Stop system:
Until now the alternator and the voltage regulator were connected together via their own wires to the engine and onboard supply control unit. For vehicles with Start/Stop system, the information transmission occurs via a LIN data bus to the diagnostic interface for data bus. Via the CAN data bus, it supplies information to other control units such as the engine control unit.
Special tools and workshop equipment required
Torque wrench (5 - 50 Nm)
V.A.G 1331
Torque wrench (40 - 200 Nm)
V.A.G 1332
Removing:
Caution
To disconnect and reconnect the battery, the procedure described in the workshop manual should be strictly adhered to
Chapter
.
Disconnect battery
Chapter
.
Remove noise insulation
General body repairs, exterior
Rep. gr.
50
Body front; Noise insulation
.
Set lock carrier to service position
General body repairs, exterior
Rep. gr.
50
Body - front; Lock carrier
.
Remove air filter (petrol engine)
Power unit
Rep. gr.
24
.
Release and disconnect electrical connector of DF cable
1
and pull off protective cap
2
.
Unbolt battery positive cable
arrow
from alternator.
Mark direction of rotation of poly V-belt.
Remove poly V-belt
Power unit
Rep. gr.
13
Cylinder block, belt pulley end; Removing and installing poly V-belt
.
Unscrew securing bolts
arrows
of alternator from bracket.
Take out alternator.
Installing:
Caution
When fitting used poly V-belts, take note of the direction of rotation as marked during removal!
Before installing poly V-belt, ensure that all ancillaries (alternator, air conditioner compressor) are secure.
When fitting belt, ensure that poly V-belt seats correctly in pulleys!
Installation is carried out in the reverse order. When installing observe the following:
Drive threaded sleeves
A
about 4 mm in direction of arrow out of alternator housing.
Fit alternator to bracket and tighten securing bolts.
Tighten threaded connections to specified torques
Chapter
“
Assembly overview - alternator, 3.2 l V6 engine
”
.
Install poly V-belt
Power unit
Rep. gr.
13
Cylinder block, belt pulley end; Removing and installing poly V-belt
.
On V6 petrol engine, unscrew thrust bolt M8×50 from belt tensioner.
Connecting battery
Chapter
.
Start engine and check belt running.