Removing and installing alternator, 4.2 l, 265 kW FSI engine — VW

🧭 Before you start

Fits: VW Touareg II (7P, 2010–2018)

• Opens: coolant
• Renewed: self-locking nut, o-rings

Don't miss

• Lay a cloth under the coupling point to catch escaping coolant.
• If alternator is stuck in its bracket, screw bolts in again to 2 turns.Carefully hit bolt heads with flat side of hammer to release threaded bushes of alternator mounting.
• Renew self-locking nut.Renew O-rings.
• When installing poly V-belt, make sure that the belt is properly seated on the pulleys.

📋 Procedure

1. Disconnect battery .
2. Remove right air filter housing 24.
3. Drain coolant19.
4. Remove coolant hose (arrow) from right coolant pipe to radiator.
5. Remove poly V-belt 13.

6. Remove tensioning element.
7. Unscrew bolt (3) and remove bracket for coolant pipes. [Note: Lay a cloth under the coupling point to catch escaping coolant.]
8. Pull coolant pipes (2) and (4) out from alternator.
9. Disconnect electrical connector (5) at alternator.
10. Unscrew nut for terminal 30/B+ (item 1) and remove B+ cable.
11. Unscrew bolts (arrows) and remove alternator. [Note: If alternator is stuck in its bracket, screw bolts in again to 2 turns.Carefully hit bolt heads with flat side of hammer to release threaded bushes of alternator mounting.]
12. Remove alternator upwards. [Note: Renew self-locking nut.Renew O-rings.] [Note: Tight bushes of alternator mounting must be loosened; otherwise clamping force of bush is too low despite right torque.]
13. Place poly V-belt (2) over belt pulleys in specified sequence. [Note: When installing poly V-belt, make sure that the belt is properly seated on the pulleys.]
14. Connect battery .
15. Install right air filter housing 24.
16. Top up coolant 19.
17. Start engine and check belt running.

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