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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1497 (Engine Mechanical - 4.2L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal and Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission. Refer to TRANSMISSION .
  2. Remove the fly wheel bolts and remove the fly wheel.
    Fig 1: Removing Fly Wheel Bolts And Fly Wheel
    G02128604Courtesy 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. Remove the crankshaft and rear oil seal housing.
  6. Remove the oil seal from the crankshaft snout.
    Fig 2: Removing Crankshaft And Rear Oil Seal Housing
    G02128605Courtesy of GENERAL MOTORS CORP.
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