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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1600 (Drive Axles - Front) >> Repair Instructions >> Pinion And Ring Gear Inspection

Pinion And Ring Gear Inspection

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  1. The ring and pinion gears are matched sets and must be replaced any time a replacement of either is necessary.
  2. Inspect the pinion and the ring gear teeth for the following conditions:
    • Cracking
    • Chipping
    • Scoring
    • Excessive wear
  3. Inspect the pinion gear splines for wear.
  4. Inspect the pinion flange splines for wear.
  5. Inspect the fit of the pinion flange on the pinion gear.
  6. Inspect the sealing surface of the pinion flange for nicks, burrs, or rough tool marks which will damage the inside diameter of the pinion seal and result in an oil leak.
  7. Inspect all of the parts for wear and replace as necessary.
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