Operation CHARM: Car repair manuals for everyone.

Timing Belt: Service and Repair

REMOVAL
1. Remove timing belt cover. See Timing Belt Cover Service and Repair.

Right Engine Mount-typical:




2. Lift engine with Engine Support Tool C-4852. Separate right engine mount.

Remove Timing Belt:




3. Raise vehicle on a hoist. Remove lower accessory drive belt idler pulley bracket assembly.
4. Loosen timing belt tensioner, remove timing belt and idler pulley.
5. Lower vehicle

CAMSHAFT AND CRANKSHAFT TIMING PROCEDURE
1. Remove air cleaner fresh air duct.

Ignition Cable Cover:




2. Remove ignition cable cover.

Rocker Arm Shaft Assemblies:




3. Remove valve covers and loosen rocker arm assemblies about 3 turns as shown in.

CAUTION: Check lash adjuster for loose or missing retainers before continuing service procedure.

Camshafts Pinned Into Position:




4. Align and pin both intake and exhaust cam sprockets with 3/16 drills or pin punches. Accessory Shaft does not need to be timed.

Dial Indicator In Number 1 Cylinder:




6. Install a dial indicator in Number 1 spark plug hole.
7. Rotate crankshaft until number 1 piston is at Top Dead Center. Mark the engine block for TDC reference.

Camshafts And Crankshaft Timing Marks:




8. Install timing belt and idler pulley.
9. Remove dial indicator from cylinder head. Remove drills or pins from camshaft sprockets.

Belt Tension Gauge Location:




10. Adjust tension to 445 N (110 lbs.). Install belt tension gauge on timing belt adjust tensioner until specified tension is achieved.

CAUTION: Belt tension gauge must be installed between the belt teeth to get a accurate reading.

11. Rotate crankshaft clockwise 2 full revolutions and check alignment of camshaft and crankshaft timing marks. Do not reverse rotate crankshaft or attempt to rotate engine using cam or accessory shaft attaching screw.

CAUTION: Do not allow oil or solytents to contact the timing belt as they can deteriorate the rubber and cause tooth skipping.

12. Recheck belt tension, adjust if necessary.

Rocker Arm Shaft Installation:




13. Torque rocker arm shafts in sequence shown to 24 Nm (210 in. lbs.).
14. Install valve covers, spark plugs, ignition cables and ignition cable cover.
15. Install air cleaner fresh air duct.
16. Raise vehicle. Install lower timing belt cover and accessory drive belt tensioner pulley.

Right Engine Mount-typical:




17. Lower vehicle. Install right engine mount.
18. Install upper timing belt cover and PCV tube.
19. Install accessory drive belt.