Timing Belt: Service and Repair

Removal and Installation of Camshaft Drive Belt and Water Pump

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Note: Make sure new drive belts are retightened after driving car approx. 1,000 km.

Installing Camshaft Drive Belt






1 Line up TDC mark on vibration damper with red indicator on cover by turning crankshaft clockwise.

Note: Vibration damper must be removed again for installation of the camshaft drive belt afterwards.

RH Camshaft:

LH Camshaft:

2. Turn both camshafts until notches in both camshaft sprockets are aligned with marks cast on the camshaft bearing caps.






3. Install camshaft drive belt, always pre-loaded by hand, the following order:
First on sprocket (1), oil pump sprocket (2), then over sprocket (3) of left camshaft (cyl. 5 through 8), bottom of water pump sprocket (4) and on sprocket (5) of cyl. 1 through 4, and finally over camshaft drive belt tensioning roller (6).

Note: Should the teeth of a hand-tightened camshaft drive belt not match the sprocket pitch accurately enough, turn pertinent camshaft sprocket counter-clockwise carefully until teeth match.

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4. Tighten camshaft drive belt to specifications with special tool 9131.
5. Turn engine clockwise two turns to align red indicator and TDC mark.

Note: Never turn engine anticlockwise, since this could destroy the camshaft drive belt tensioner.

RH Camshaft:

LH Camshaft:

6. Check position of marks.
7. Now tighten camshaft drive belt again.






8. Turn engine clockwise two turns to align red indicator and TDC mark.
9. Recheck.