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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Guide Pins In Crankshaft
    GM655276Courtesy of GENERAL MOTORS CORP.
  1. Remove the flywheel. Refer to Engine Flywheel Replacement .
  2. Install the guide pins from J 43320  into the crankshaft. See Special Tools .
    3. Fig 2: J 43320 Self-Drilling Sheet Metal Screws Installation Sequence
    GM655278Courtesy of GENERAL MOTORS CORP.
  3. Install the J 43320  over the guide pins. See Special Tools .
  4. Using a suitable drill, insert eight of the self-drilling sheet metal screws into the rear crankshaft seal, using a criss-cross pattern. The self-tapping screws are included with the J 43320  . See Special Tools .
    5. Fig 3: View Of J 43320 & Center Bolt
    GM655279Courtesy of GENERAL MOTORS CORP.
  5. Thread the center bolt of J 43320  into the crankshaft to remove the seal. See Special Tools .
  6. Remove the guide pins from the crankshaft.
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