Inspection

INSPECTION OF TIMING BELT COMPONENTS

1. Inspect timing belt.





NOTICE:
- Do not bend, twist or turn the timing belt inside out.
- Do not allow the timing belt to come into contact with oil, water or steam.
- Do not make use of timing belt tension when installing or removing the mount bolt of the camshaft timing pulley.

If there are any defects as shown in the illustrations, check the following points:





(a) Premature parting
- Check for proper installation.
- Check the timing cover gasket for damage and proper installation.





(b) If the belt teeth are cracked or damaged, check to see if either the camshaft or water pump is locked.





(c) If there is noticeable wear or cracks on the belt face, check to see if there are nicks on the side of the idler pulley lock.





(d) If there is wear or damage on only one side of the belt, check the belt guide and the alignment of each pulley.





(e) If there is noticeable wear on the belt teeth, check the timing cover for damage correct gasket installation and foreign material on the pulley teeth.
If necessary replace the timing belt.





2. Inspect idler pulley.
Check the turning smoothness of the Idler pulley.
If necessary replace the idler pulley.





3. Inspect drive belt tensioner.
Check the turning smoothness of the tensioner. If necessary, replace the tensioner.
4. Inspect timing belt tensioner.





(a) Visually check tensioner for oil leakage.

HINT: It is normal for a tensioner to show a small trance of oil on the pushrod seal. However, if there is an outright oil leak, the tensioner must be replaced.





(b) Hold the tensioner with both hands, and push the push rod firmly against the floor or wall to check that it doesn't move.
If the push rod moves, replace the tensioner.





(c) Measure the protrusion of the push rod from housing end.

Protrusion: 7.7 - 10.5 mm (0.303 - 0.413 in.)

If the protrusion is not as specified, replace the tensioner.