Timing Belt: Service and Repair

Timing Belt Removal/Installation

Fig. 1-Timing System And Seals:

Fig. 2-Right Inner Splash Shield:

1. Raise vehicle on a hoist and remove right inner splash shield.

Fig. 3-Crankshaft And Water Pump Pulley:

2. Remove screws retaining water pump pulley and bolts retaining crankshaft pulley and lay pulley aside.
3. Remove nuts holding cover to cylinder head.
4. Remove screws holding cover to cylinder block.

Fig. 4-Timing Belt Cover:

5. Remove both halves of timing belt cover and lay aside

Fig. 5-Right Engine Mount:

6. Place a jack under engine.

Fig. 6-Remove Timing Belt:

7. Separate right engine mount and raise engine slightly.

Fig. 7-Crankshaft Sprocket:

8. Loosen timing belt tensioner and remove timing belt.

Fig. 12-Crankshaft And Intermediate Shaft Timing:

1. Turn crankshaft and intermediate shaft until markings on sprockets are in line, see arrows (Fig. 12).

Fig. 13-Camshaft Timing:

2. Turn camshaft until arrows on hub are in line with No. 1 camshaft cap to cylinder head line. Small hole (arrow Fig. 13) must be in vertical center line.

Fig. 14-Adjusting Drive Belt Tension:

3. Install timing belt (see Fig. 14 for proper timing belt tension).
4. Rotate crankshaft two full revolutions and recheck timing.
Valve Timing Check; (timing belt cover installed).
With number one cylinder at TDC small hole in sprocket must be centered in timing belt cover hole (Fig. 13).

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

5. Remove spark plugs and rotate crank to TDC position.
6. Put belt tension tool C-4703 horizontally on large hex of timing belt tensioner pulley and loosen tensioner lock nut.
7. Reset belt tension tool C-4703 index if necessary to have axis within 15° of horizontal (Fig. 14).
8. Turn engine clockwise from TDC two crank revolutions to TDC.
Do not reverse rotate crankshaft or attempt to rotate engine using cam or accessory shaft attaching screw.
9. Tighten lock nut on tensioner holding weighted wrench in position to 61 N.m (45 ft. lbs.).
For installation, please perform steps 1-7 in reverse order.