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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal And Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission. Refer to Transmission Replacement (LL8) in Automatic Transmission - 4L60-E/4L65-E.
    2. Fig 1: View Of Flywheel & Bolts
    GM637665Courtesy of GENERAL MOTORS CORP.
  2. Remove the flywheel bolts and remove the flywheel.
    3. Fig 2: Removing Crankshaft Rear Oil Seal Housing
    GM1377386Courtesy of GENERAL MOTORS CORP.
  3. Remove the crankshaft rear oil seal housing bolts.
  4. Install 2 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.
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