Adjusting valve timing, engine codes AZQ, BME, BZG: VW Polo 9N 1.2 (AWY, AZQ, BBM, BMD, …)

🧭 Before you start

Fits: VW Polo 9N (2001–2009)

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

Don't miss

• Securing nut on engine mounting (arrow on left) must not be loosened.
• Camshaft clamps T10123 must be easily insertable into camshafts.
• Loosen both securing bolts for the camshaft pulleys (use counterhold tool3036).
• Tighten securing bolts (2) for camshaft pulleys (1) to 50 Nm (using counterhold tool3036).

🔧 Engine codes this applies to

🔩 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.

📐 23 workshop diagrams for AWY

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Fit support bracket10 - 222 A with rack10 - 222 A /1 as shown.
2. Remove poly V-belt .
3. Loosen assembly bracket on engine by loosening the 3 securing bolts (arrows on right).
4. Securing nut on engine mounting (arrow on left) must not be loosened.
5. Tighten crankshaft V-belt pulley securing bolt into crankshaft to stop.

6. Use securing bolt on pulley to turn crankshaft in direction of engine rotation until grooves are positioned horizontally in both camshafts.
7. Camshaft clamps T10123 must be easily insertable into camshafts.
8. Attach both clamps hand-tight using M6 hex bolts.
9. Loosen both securing bolts for the camshaft pulleys (use counterhold tool3036).
10. Turn crankshaft by pulley securing bolt in direction of engine rotation until locking pin T10121 can be inserted into flywheel.
11. Tighten securing bolts (2) for camshaft pulleys (1) to 50 Nm (using counterhold tool3036). — 50 Nm (37 lb-ft)
12. Then tighten all bolts 1/4 turn (90°) further using a rigid wrench.
13. Remove both locating tools from camshaft and flywheel.
14. Turn crankshaft two full turns in direction of engine rotation and check valve timing again

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