Generator (Alternator) C for 1.9L (AGR, ALH, BEW) engines - remove and install — VW

🧭 Before you start

Fits: platform codes 9B1, 9B3

Don't miss

• Mark the Poly-V belt movement direction.

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Turn off the ignition, all the electrical devices, and remove the key from ignition.
2. Disconnect the BatteryA .
3. Remove the lids (arrows) from the engine cover.
4. Remove the fastening screws (arrows) from the engine cover and remove it from its housing.
5. Remove the lower engine noise insulation, if necessary General body repairs, exterior50Body - Front section.

6. Remove the hose between the intercooler / intake flange and the air mass meter Engine21Overcharge - turbo.
7. Disengage connector (1) and remove protective cover (2).
8. Loosen fastening nut (arrow) on cable B+ and remove the cable.
9. Loosen fastening nut (arrow) from the Generator (Alternator)Ccable support.
10. Mark the Poly-V belt movement direction.
11. Move the belt tensioning pulley using a flat 16mm star socket in the direction of the (arrow).
12. Remove the Poly-V belt.
13. Unlock the protector (1) using a screwdriver.
14. Loosen the fastening screw (2) (25 Nm) fro the return pulley(3). — 25 Nm (18 lb-ft)
15. Remove the fastening screws (arrows) from the Generator (Alternator)C.
16. Remove the Generator (Alternator)C.
17. First place the Poly-V belt onto the crankshaft pulley and then place the belt onto the tensioning element.
18. Tighten the fastening nuts to the specified torque.
19. Start the engine and check the belt motion.

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