Volkswagen Golf Variant / Jetta. Manual - part 781

7.4.1

Assembly overview

1 - Hexagon head flange bolt

❑ 60 Nm

2 - Washer
3 - Tensioning roller
4 - Hexagon head flange bolts

❑ 20 Nm

5 - Hexagon head flange bolts

❑ 40 Nm

6 - Ancillary bracket

❑ For alternator -C- and

air conditioner compres‐

sor

❑ Tightening sequence ⇒ 

Engine; Rep. gr.  13

7 - Hexagon head flange bolt

❑ 20 Nm

8 - Hexagon head flange bolts

❑ 40 Nm

9 - Protective cap
10 - Hexagon bolts with wash‐

er

❑ 2 Nm

11 - Protective cap for carbon

brushes
12 - Voltage regulator -C1-

❑ Removing and installing 

⇒ page 168

13 - Alternator -C-

❑ Removing and installing 

⇒ page 91

❑ Checking 

⇒ page 89

❑ Securing battery positive wire 

⇒ page 88

❑ Removing and installing poly V-belt pulley 

⇒ page 163

14 - Poly V-belt

❑ Checking 

⇒ page 88

❑ Process ⇒  power unit; Rep. gr.  13
❑ Removing and installing ⇒  Engine; Rep. gr.  13

15 - Hexagon bolt with washer and threaded element

❑ 2 Nm

16 - Poly V-belt tensioning element

Not illustrated
♦ Nut of B+ wire on rear of alternator: 15 Nm
♦ Nut of wire holder on back of alternator : 3.2 Nm

90

 

7.4.2

Removing and installing alternator -C-

Special tools and workshop equipment required
♦ Torque wrench -V.A.G 1331-

♦ Locking pin -T10060A-

Carry out following procedures:
Removing
– Disconnect battery -A- 

⇒ page 4

 .

Caution

When battery -A- is disconnected and reconnected, the pro‐

cedure  described  in  the  workshop  manual  must  be  strictly

observed 

⇒ page 4

 .

– Disconnect DF wire connector -1- and pull off protective cap

-2-.

7. Alternator C     

91

 

Caution

Before removing, mark the top side and direction of rotation of

the poly V-belt. When installing, ensure correct fitting position

and direction of rotation. If the belt is installed in the wrong

position  or  against  direction  of  rotation,  the  belt  will  be  de‐

stroyed!

– Mark direction of rotation of poly V-belt.

– Release tension of poly V-belt by swivelling tensioning ele‐

ment in direction of -arrow- using a ring spanner.

– Lock tensioning element using locking pin -T10060A- .
– Remove poly V-belt.

– Remove bolts of alternator -C- -arrows-.

92

 

Caution

♦ In order to avoid damage to cylinder block, note the dif‐

ferent bolt lengths for aluminium and grey cast iron cylin‐

der blocks when installing the ancillary bracket. ⇒  Engine;

Rep. gr.  13 .

♦ When installing used poly V-belts observe the direction of

rotation marked on removal!

♦ Before installing poly V-belt, make sure all assemblies

( alternator -C- / air conditioner compressor) are firmly in

position.

♦ When fitting belt, ensure that poly V-belt seats correctly in

pulleys!

– Drive threaded sleeves -A- roughly 4 mm in

-direction of arrow- out of alternator -C- housing.

7. Alternator C     

93