Timing Chain: Service and Repair

Replacing timing chain

Timing chain is pre-stretched. No replacements are necessary before 50,000 km (30,000 miles). If chain noise is not normal, check tensioner piston.

Remove distributor cap.
Set piston of cylinder no. 1 to TDC.






Distributor rotor faces notch in distributor housing
Indicator's tip faces notch in pulley.
Remove upper and lower timing case covers.






Open lockplates
Remove sprocket






Installation: Install chain that bore for dowel pin faces down.
Notch in camshaft flange aligns with cast tab on cylinder head.






Remove circlip (1)
Unscrew pivot pin (2) until guide rail rests on cylinder head gasket






Remove timing chain from sprocket and crankshaft
Remove guide rail (3) by pulling down and swinging to the right






Take timing chain off of guide rail
Check timing chain sprockets and replace if necessary
Adjust ignition timing