Removing and installing alternator, 2.0 l natural gas engine — VW

🧭 Before you start

Fits: VW Touran I (1T, 2003–2015)

• Timing position: the crankshaft or camshaft is set and locked during this job

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• Any work to be done on the high-pressure lines of the natural gas system must be carried out by fully trained personnel. — Disconnect battery .

📋 Procedure

1. ⚠ Any work to be done on the high-pressure lines of the natural gas system must be carried out by fully trained personnel. — Disconnect battery .
2. Disconnect DF wire connector (1) and pull off protective cap (2).
3. Unbolt wiring retainer from alternator (3).
4. Unscrew B+ (battery positive) wire (arrow) from alternator.
5. ⚠ 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 destroyed! — Mark direction of rotation of poly V-belt.

6. Release tension on poly V-belt by swivelling tensioning element in direction of arrow using a 16 mm open-jaw spanner.
7. Lock tensioning element using locking pin T10060 A.
8. Remove poly V-belt.
9. Remove lower alternator securing bolt (arrow).
10. Remove hexagon nuts (2).
11. Remove upper securing bolt from alternator (1).
12. Remove alternator upwards out of vehicle.
13. ⚠ When installing used poly V-belts observe the direction of rotation marked on removal!Before installing poly V-belt, ensure that all ancillaries (alternator, air conditioner compressor, vane pump) are secure.When fitting belt, ensure that poly V-belt seats correctly in pulleys!The alternator must be installed carefully in order to avoid any damage to the low-pressure line to the gas rail. — Drive threaded sleeves (A) about 4 mm in direction of arrow out of alternator housing.
14. Tighten cable retainer (arrow) to rear of alternator in 12 o'clock position.
15. Tighten threaded connections to torques specified in assembly overview:
16. Start engine and check belt is running correctly.

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