Corvette V8-5.7L VIN G (1997)
Crankshaft Main Bearing: Testing and Inspection
Inspect Journals
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Tools Required, or equivalent - J 7872 Magnetic Base Dial Indicator Set.
CAUTION: Use care when handling the crankshaft. Avoid damage to the bearing surfaces or the lobes of the crankshaft position reluctor ring.
Damage to the teeth of the crankshaft position reluctor ring may effect OBD II system performance. Reluctor ring teeth should not have
imperfections on the rising or falling edges. Imperfections of the reluctor ring teeth may effect OBD II system performance.
1. Perform a visual inspection of the crankshaft for damage.
2. Inspect the crankshaft position reluctor ring lobes of the for damage.
3. Inspect the crankshaft journals for wear (1). Journals should be smooth with no signs of scoring, wear, or damage.
4. Inspect the crankshaft journals for grooves or scoring (2).
5. Inspect the crankshaft journals for scratches or wear (3).
6. Inspect the crankshaft journals for pitting or imbedded bearing material (4).
