NOTE: The voltage regulator can only be replaced separately in vehicles with 5-cyl. TDI engine.
Removing
Dismantle the three-phase generator.
Unscrew the fixing bolts and nuts and remove the protective cap from the generator (pic. 7.67).
Loosen the voltage regulator mounting bolts (pic. 7.68).
Remove the voltage regulator from the generator.
Installation
Installation is carried out in the reverse order.
Tighten the connections to the prescribed torque (see table. 7.3).
Table 7.3. Tightening torques (generator)
Threaded connection | Tightening torque, Nm |
6-cyl. 3.2L turbocharged engine and 3.6L FSI engine | |
B+ wire to alternator (M8) | 15 |
Tension roller to cylinder head (M8x30) | 20 |
The holder to the block of cylinders (bolt with hexagon socket M8x40) | 20 |
The holder to the block of cylinders (priion bolt M8x25) | 20 |
Attached hex bolt to holder (M 10x50) | 40 |
Generator to holder (М8х90) | 20 |
Freewheel pulley to generator shaft | 80 |
Coolant hose connector to generator (M6x20) | 9 |
8-cyl. injection engine 4.2 l | |
B+ wire to alternator (M8) | 15 |
Generator to bracket (М8х90) | 22 |
Belt pulley to generator | 65 |
8-cyl. 4.2 l direct injection engine | |
B+ wire to alternator (M8) | 15 |
Generator to bracket (М8х90) | 22 |
Alternator bracket to engine block | |
M8 | 22 |
M10 | 46 |
Idler roller support | 9 |
Tension element to the engine block | 22 |
Belt pulley to generator | 65 |
10-cyl. 4.9l TDI engine | |
B+ wire to alternator (M8) | 15 |
Bracket-holder to the generator (M6x20) | 9 |
Generator to cylinder block (М8х35) | 20 |
Coupling to the generator (М6х27) | 8 |
Bushing to generator drive shaft (М10х1х30) | 50 + 90° |
Freewheel pulley to generator shaft | 80 |
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