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GMC Truck
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1991
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S15/T15 2WD P/U V6-173 2.8L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Timing Components
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Timing Chain
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Testing and Inspection
Timing Chain: Testing and Inspection
INSPECT
^
Sprockets for chipped teeth and wear.
^
Timing chain
for wear.
-
If the chain can be pulled out more than
9.5 mm (3/8-inch)
, from the damper. replace the chain.