Installing camshaft adjuster with timing chain for camshaft drive (vehicles up to 11/2008) — VW

🧭 Before you start

Fits: VW Passat B6 (3C, 2005–2010)

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: 27 mm open-end spanner
• Renewed: camshaft adjuster

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• Set crankshaft to TDC No. 1 Cyl. marks by turning crankshaft on the vibration damper securing bolt in engine direction of rotation (arrow).
• Due to a fitted key, camshaft adjusters can only be bolted on in one position (arrows) at camshaft mounting.
• If inlet camshaft adjuster is bolted to the camshaft, turn adjuster with chain sprocket to left accordingly and then fit camshaft timing chain.
• Insert exhaust camshaft adjuster »32A« into camshaft timing chain. Previously counted 16 rollers must lie between teeth at arrow markings »24E« and »32A«.
• A slight offset between marking (1) and notch (2) is permissible.

🔧 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.

📐 5 workshop diagrams for BWS

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

📋 Procedure

1. Set crankshaft to TDC No. 1 Cyl. marks by turning crankshaft on the vibration damper securing bolt in engine direction of rotation (arrow).
2. Set camshafts in cylinder head to TDC for No. 1 cylinder .
3. Insert camshaft bar T10068 A in both shaft grooves. If necessary, move the camshafts back and forth slightly with an open-end spanner.
4. Secure position of high-pressure pump drive sprocket using adjusting tool T10363. The marking (A) on the drive cam for high-pressure pump must be on top. [Note: Due to a fitted key, camshaft adjusters can only be bolted on in one position (arrows) at camshaft mounting.]
5. Check TDC position of crankshaft.

6. Turn sender wheel (1) on removed inlet camshaft adjuster to right stop. Hold adjuster in this position. [Note: If inlet camshaft adjuster is bolted to the camshaft, turn adjuster with chain sprocket to left accordingly and then fit camshaft timing chain.]
7. Connect inlet camshaft adjuster with fitted timing chain onto camshaft. Observe the following:
8. From the tooth which aligns with the arrow (1) and the notch (2), now count exactly 16 rollers to the right on the timing chain. Mark this roller with a coloured pen. [Note: The exhaust camshaft adjuster is locked when »at rest«. This prevents the sender wheel from turning when adjusting the valve timing. If the locking mechanism is not engaged (locked) when »at rest«, turn the adjuster in both directions by hand until it is locked. If this is not possible, renew camshaft adjuster.]
9. Insert exhaust camshaft adjuster »32A« into camshaft timing chain. Previously counted 16 rollers must lie between teeth at arrow markings »24E« and »32A«.
10. Connect camshaft adjuster »32A« with camshaft timing chain onto exhaust camshaft. Observe the following: [Note: A slight offset between marking (1) and notch (2) is permissible.]
11. Remove setting tool T10363 from bearing shaft.
12. Remove camshaft bar T10068 A.
13. Install chain tensioner for timing chain and tighten to 50 ± 2 Nm. — 2 Nm (1.5 lb-ft)
14. Turn engine two revolutions in direction of engine rotation and check valve timing .
15. Hold camshaft which is to be tightened using a 27 mm open-end spanner (arrow). [Note: Camshaft bar T10068 A must be removed while this is done.Note that all sprocket securing bolts must be renewed.]
16. Tighten securing bolts of inlet and exhaust camshaft adjusters to 60 Nm + 1/4 turn (90°) further. — 60 Nm (44 lb-ft)

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