C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
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Piston pin bore will show signs of scoring, the wrist pins will be discolored, and can have oil coking on them. The connecting rod bushing surface
will have accelerated wear. The above illustration shows a connecting rod bushing.
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Oil coking on the underside of the piston between the wrist pin bosses.
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Signs of bearing fretting will also be noticed on the connecting rod and main bearing caps. Refer to the above illustration for fretting of main
bearing cap 1 and back side of connection rod bearing 2.
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Excessive heat in engine compartment caused by overpower device. Refer to above illustration (1).
Non Overpower Engine Premature Wear and Breakdown
The following pictures show results of overheat, overspeed, low/no oil pressure or injector breakdown and how they differ from aftermarket power-up
device premature wear and breakdown.
Engine Overheat
Overheat can be caused by a loss of coolant or a general cooling system failure. Some of the indicators of overheat are:
