Timing Belt: Testing and Inspection
TIMING BELT INSPECTIONIf any defects are found, check the following points:
1. Premature parting.
^ Check for proper installation.
^ Check the timing cover gasket for damage and proper installation.
2. If the belt teeth are cracked or damaged, check to see if either the camshaft, water pump or oil pump is locked.
3. If there are cracks or noticeable wear on the belt face, check to see if there are nicks on the side of the idler pulley lock.
4. If there is wear or damage on only one side of the belt, check the belt guide and the alignment of each pulley.
5. If there is noticeable wear on the belt teeth, check timing cover for damage and check for correct gasket installation. Check for foreign material on the pulley teeth. If necessary, replace the timing belt.
IDLER PULLEY INSPECTION
1. Check the turning smoothness of the idler pulley. If necessary, replace the idler pulley.
TENSION SPRING INSPECTION
1. Measure the free length of tension spring. If the free length is not as specified, replace the tension spring.
Free length: 38.4 mm (1.512 in.)
2. Measure the tension of the tension spring at the specified installed length. If the installed tension is not as specified, replace the tension spring.
Installed tension:
35 - 39 N (7.9 - 8.8 lbf) at 50.2 mm (1.976 in.)