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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Engine Mechanical - 4.2L 6-Cylinder (On-Vehicle)) >> Repair Instructions >> Crankshaft Rear Oil Seal and Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission. Refer to REMOVAL & INSTALLATION - A/T in Automatic Transmission.
  2. Remove the fly wheel bolts and remove the fly wheel.
    3. Fig 1: Removing Fly Wheel Bolts
    G01706353Courtesy of GENERAL MOTORS CORP.
  3. Remove the crankshaft rear oil seal housing bolts.
  4. Install two bolts into the jackscrew holes (1) to release the cover from the block.
    5. Fig 2: Releasing Cover From Block
    G01706354Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft and rear oil seal housing.
  6. Remove the oil seal from the crankshaft snout.
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