Toyota TERCEL 1985 Repair Manual page 41

E M - 1 0 ENGINE MECHANICAL - Timing Belt
(c) 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.
(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 gasket for damage and check for cór-
rect gasket installation. Check for foreigh matter on
the pulley teeth.
2. INSPECT IDLER PULLEYS
Check the turning smoothness of the timing belt idler
pulleys.
If not smooth, replace the idler pulley.
3. INSPECT TENSIÓN SPRING
(a) Check the free length of the spring.
Free length:
(b) Check the tensión of the spring at the specified
installed length.
Installed tensión:
3.83 kg (8 Ib, 37 N) at 50.2 mm (1.976 in.)
If it does not meet specification, replace the spring.
38.4 mm (1.512 in.)