Removing and installing alternator, natural gas engine — VW

🧭 Before you start

Fits: platform code 121

📋 Procedure

1. ⚠ To disconnect and reconnect the battery, the procedure described in the workshop manual should be strictly adhered to . — Disconnect battery .
2. Move lock carrier to service position General body repairs, exterior50Lock carrier; Moving to and back from service position.
3. Remove poly V-belt 13Cylinder block on pulley side; Removing and installing poly V-belt.
4. Remove tensioner for poly V-belt 13Cylinder block (pulley end); Removing and installing tensioner for poly V-belt.
5. ⚠ Risk of damage to air conditioner compressor, refrigerant lines and refrigerant hoses:Make sure refrigerant lines and hoses are not excessively stretched, kinked or bent. — Remove air conditioner compressor from bracket Heating, air conditioning system87Air conditioner compressor; Removing and installing air conditioner compressor from and to bracket.

6. Secure air conditioner compressor to lock carrier so that refrigerant lines are not under tension.
7. Unscrew the two bolts (arrows) of alternatorC.
8. Remove alternator 1C(1) and turn it over, taking into account the lengths of attached wires.
9. Release and disconnect connector (4).
10. Unscrew securing nut (3), and detach battery positive cable (2) from connection thread.
11. Remove alternatorC(1) by taking it downwards out of the vehicle.
12. ⚠ 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! — Drive threaded bushes (A) roughly 4 mm in direction of arrow out of alternatorC housing.
13. Connecting battery .
14. Start engine and check belt running.

Other VW procedures

• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures