Operation CHARM: Car repair manuals for everyone.

Engine Installed, Cylinder Head Removed



VALVE TIMING, ADJUSTING (TIMING CHAINS, INSTALLING)

Tools Needed:
- VW 558, counter-holding tool
- 3268, camshaft fixture

Engine Installed, Cylinder Head Removed:
- Set crankshaft to TDC of Cylinder No.1 by turning crankshaft at vibration damper bolt.





If TDC for cylinder No.1 is OK you should see a notch (arrow) at the intermediate shaft sprockets.

If you cannot see the notch: Turn crankshaft one full turn in engine running direction.

NOTE: If you turn the crankshaft with the cylinder head removed, have another technician guid6 the double chain to avoid snagging.





- Hold camshafts in place with fixture 3268.

- Prepare cylinder head for installation see Fig. 2 in "Cylinder Head, Component Overview". Service and Repair

- Install cylinder head.

- Place guide rail on locating pin. Insert short bolt with locking fluid D6 and tighten bolts to 20 NM (15 ft lb).

- Install camshaft sprocket and double chain to camshaft for cylinders 2, 4 and 6 (short camshaft) and hand tighten.

- Install camshaft sprocket and double chain to camshaft for cylinders 1, 3 and 5 and hand tighten.

NOTE: Contact surfaces at timing chain and sensor wheel must be dry when installing. Oil contact surfaces of bolts when installing.

- Remove camshaft fixture 3268.

- Tighten camshaft sprockets with 100 Nm (73 ft lb).





NOTE: Only counter-hold with 24 mm open end wrench (arrow). Do not use camshaft fixture 3268 when tightening or loosening sprockets.

- Coat sealing surfaces of camshaft cover with AMV 188 001 02.

- Lubricate 0-Ring with oil and insert in camshaft sprocket cover.

- Install camshaft sprocket cover, insert all bolts and tighten slightly.

- First tighten M 8 bolt to 25 Nm (18 ft lb), then M 6 bolts to 10 Nm (7 ft lb).

- Install chain tensioner for double chain and tighten to 30 Nm (22 ft lb).

NOTE: If chain tensioner was pulled apart, bleed chain tensioner before installing see Fig. 2 in "Cylinder Head, Component Overview". Service and Repair

CAUTION: Only turn engine with chain tensioner installed, otherwise single or double chain will jump.

- Turn crankshaft two full turns in running direction and check valve timing refer to "Valve Timing, Checking". Testing and Inspection