Timing Belt: Service and Repair

CAUTION:
- Do not bend or twist timing belt.
- After removing timing belt, do not turn crankshaft and camshaft separately because valves will strike piston heads.
- Make sure that timing belt, camshaft sprocket, crankshaft sprocket and belt tensioner are clean and free from oil and water.
- Installation should be carried out when engine is cold.

Removal
1. Remove engine under cover.
2. Drain engine coolant from radiator.
- Be careful not to spill coolant on drive belts.
3. Remove radiator.
4. Remove engine cooling fan and water pump pulley.
5. Remove the following belts:
- Power steering pump drive belt
- Compressor drive belt
- Alternator drive belt
6. Remove all spark plugs.
7. Remove distributor protector.
8. Remove compressor drive belt idler bracket.
9. Remove fresh-air intake tube for rocker cover.





10. Remove water hose for thermostat housing.

Timing Marks:

11. Set No. 1 piston at TDC on its compression stroke by rotating crankshaft.
12. Remove crankshaft pulley bolt.
13. Remove crankshaft pulley using a suitable puller.
14. Remove front upper and lower belt covers.





- Align punchmark on LH camshaft sprocket with punch mark on timing belt rear cover.
- Align punchmark on crankshaft sprocket with alignment mark on oil pump housing.
- Temporarily install crankshaft pulley bolt on crankshaft so the crankshaft can be rotated.





15. Loosen timing belt tensioner nut, rotate tensioner, then remove timing belt.

Inspection





1 of 2





2 of 2

Visually check the condition of timing belt.
Replace if any abnormality is found.

BELT TENSIONER AND TENSIONER SPRING





1. Check belt tensioner for smooth turning.
2. Check condition of tensioner spring.

Installation





1. Confirm that No. 1 piston is set at TDC on its compression stroke.





2. Install tensioner and tensioner spring.
Once stud is removed, apply locking sealant to threads of stud on cylinder block side before installing.





3. Turn tensioner fully outward with hexagon wrench, and temporarily tighten lock nut.
4. Set timing belt when engine is cold.





1) Align white lines on timing belt with punchmarks on camshaft sprockets and crankshaft sprocket.
2) Point arrow on timing belt toward front belt cover.





Number of teeth (reference)