Removing and installing camshaft control valves: VW Golf V / Jetta (AXZ, AYT, AZZ, BAA, …)

🧭 Before you start

Fits: VW Golf V / Jetta (1K, 2003–2009)

• Opens: coolant

Don't miss

• Before removing connectors, mark each connector and component to which it belongs.

🔧 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.

📋 Procedure

1. Remove intake manifold .
2. Pull 2-pin connector off coolant temperature sender G62(arrow).
3. Drain coolant .
4. Remove thermostat housing .
5. Remove cylinder head cover . [Note: Before removing connectors, mark each connector and component to which it belongs.]

6. Pull connectors off Hall sender G40(1) and Hall sender 2G163(2).
7. Pull off connectors (3) and (4).
8. Move wiring harness clear.
9. Remove chain tensioner for camshaft timing chain (arrow).
10. Unscrew securing bolts (arrows) for cover.
11. Cover can be prised off carefully when all securing bolts have been removed.
12. ⚠ In order to make sure that valves do not become jammed when they are being removed, do not completely unscrew securing bolts of camshaft control valves.Cover lower chain housing carefully so that no parts can fall into it. — Unscrew securing bolts for camshaft control valves approx. 3 mm (5 turns) with socket T10072(arrows).
13. Pull camshaft control valve out of seat in control housing and slide it along loosened bolts.
14. Completely remove securing bolts and pull camshaft control valve out of control housing.
15. ⚠ The valve seat in the control housing must not be scored or scratched.The camshaft control valves and the control housing must be free of dirt and soiling.Ensure the camshaft control valves are protected from knocks and impacts.Only unpack the new camshaft control valves immediately prior to installation.The camshaft control valves must not be pulled into their seat with the securing bolts. Only insertion by hand is permitted. — Moisten seals with clean engine oil.
16. Carefully insert camshaft control valve into housing and push vertically to valve axis to stop by hand.
17. Tighten securing bolts (arrows) to 3.8 Nm. — 3.8 Nm (2.8 lb-ft)
18. Clean sealing surface on cover and cylinder head.
19. Lubricate O-ring for oil channel seal (1) and insert in cover.
20. Check that dowel sleeves (2) and (3) are inserted.
21. Insert O-ring (4) in cover.
22. Remove old sealant from 3 mm holes in cylinder head gasket (arrows).
23. Fill 3 mm holes in cylinder head gasket with sealantD 176 501 A1. Coat sealing surface of cover with sealantD 176 501 A1 and immediately install.
24. First insert all securing bolts (arrows) and tighten lightly.
25. Then tighten M8 securing bolts to 23 Nm and M6 securing bolts to 8 Nm. — 23 Nm (17 lb-ft)
26. Install chain tensioner for camshaft timing chain and tighten to 50 ± 2 Nm. — 2 Nm (1.5 lb-ft)
27. Install cylinder head cover and intake manifold .

Other VW procedures

• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing cylinder head · 23 torque figures
• Removing and installing oil sump – VW Passat B5 · 23 torque figures
• Removing and installing sealing flange on gearbox side – VW · 17 torque figures
• Checking fuel pressure sender G247 · 19 torque figures
• 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 coolant pump · 53 torque figures
• Removing and installing alternator, 1.4 l TSI engine – VW