Crankshaft Gear/Sprocket: Service and Repair

REMOVAL - CRANKSHAFT SPROCKET
1. Remove the timing belt.





2. Remove crankshaft sprocket using Special Tool L-4407-A (Fig. 150).

INSPECTION - TIMING BELT
1. Remove timing belt covers.





2. Inspect both sides of the timing belt. Replace belt if any of the following conditions exist (Fig. 151):
a. Hardening of back rubber back side is glossy without resilience and leaves no indent when pressed with fingernail.
b. Cracks on rubber back.
c. Cracks or peeling of canvas.
d. Cracks on rib root.
e. Cracks on belt sides.
f. Missing teeth.
g. Abnormal wear of belt sides. The sides are normal if they are sharp as if cut by a knife.
h. Vehicle mileage or time at component maintenance requirement.
3. If none of the above conditions are seen on the belt, the belt cover can be installed.

NOTE: If belt requires replacing, ensure the proper length belt is used.


INSTALLATION - CRANKSHAFT SPROCKET

CAUTION: To ensure proper installation depth of crankshaft sprocket, Special Tool 6641 must be used.





1. Install crankshaft sprocket using Special Tools 6641 and C-4685-C1 (Fig. 158).
2. Install timing belt.