Inspection
TIMING BELTTiming Belt:
CAUTION:
^ Do not bend, twist or turn the belt inside out.
^ Do not allow the belt to come into contact with oil, water or steam.
If there are defects, as shown in the figures, check the following points and replace the timing belt, if necessary.
Premature Separation:
1. Premature separation
^ Check for proper installation.
^ Check the timing gear cover gaskets for damage and check for correct installation.
Cracked Or Damaged Teeth:
2. If the belt teeth are cracked or damaged, check to see if the camshaft is seized.
Face Wear Or Cracks:
3. If there is noticeable wear or cracks on the belt face, check to see if there are nicks on one side of the idler pulley lock.
Side Wear:
4. If there is wear or damage on only one side of the belt, check the pulley flange.
Worn Teeth:
5. If there is noticeable wear on the belt teeth, check the timing cover gasket for damage and check for correct gasket installation. Check for foreign material on the pulley teeth.
IDLER PULLEY
Pulley Inspection:
1. Check the timing belt pulleys for smooth turning.
2. Check the belt contact surface for damage. If necessary, replace the idler pulley.
CAUTION: Never wash the idler pulley.
TENSION SPRING
Tension Spring:
1. Check the free length of the spring.
Free Length: 54.0 mm (2.126 inch)
2. Check the tension of the spring at the specified installation length.
Tension as installed: 1.66 kg at 65.0 mm (3.66 lb at 2.559 inch)
If the tension does not conform to the specification, replace the spring.
TIMING BELT PULLEY
Cam Pulley:
1. Measure the maximum width of the timing belt pulley, using vernier calipers.
Camshaft timing belt pulley wear limit: 119.9 mm
Crankshaft timing belt pulley wear limit: 59.3 mm
If the measured value is less than the specified value, replace the timing belt pulley.
Timing Belt Pulleys:
2. Visually inspect the timing belt pulley for damage. If necessary, replace the timing belt pulley.
CRANKSHAFT TIMING BELT PULLEY FLANGE
Pulley Flange:
Check the crankshaft timing belt pulley flange for bend, damage and wear.
If necessary replace the crankshaft timing belt pulley flange.