Timing Chain: Service and Repair
Fig. 11 Valve Timing Marks. 1990-91:
1. Remove front cover as described under FRONT COVER.
2. Loosen camshaft bolt, this will aid in preventing camshaft from moving off timing marks.
3. Align cam and crankshaft timing marks, engine at T.D.C., Fig. 11.
4. Remove camshaft bolt, then timing chain and sprockets.
5. Reverse procedure to install, torquing camshaft bolt to 43 ft. lbs.