Impulse L4-2254cc 2.3L SOHC (1988)
Timing Belt: Testing and Inspection
VISUAL CHECK
The belt must be replaced if cracks are found in the side and rear faces.
Also replacement is necessary when abnormal wear is found in the side face.
Replacement is necessary when fabric is found to be cracked or disintegrated.
Replacement is also necessary when cogs are found to have abnormal wear.
Take measurements at 3 - 5 points around the circumference of the belt. The belt must be replaced even if a single measurement is beyond the
limit.
Limit of rubber hardness (HS) ........................................................................................................................................................................................ 90