Pickup 2WD L4-2.3L (4ZD1) (1988)
4. Replacement is also necessary when cogs are found to have abnormal wear.
5. 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 - 90 (HS)
TIMING PULLEY AND TENSION SPRING INSPECTION
Visual check
^ Crankshaft pulley
^ Camshaft pulley
^ Oil pump pulley
^ Idler pulley
If uneven wear, cracks or wear exceeding the limit are found in the pulley, replace it with a new one.
Timing pulley outside diameter