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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1063 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Engine Flywheel Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Flywheel Weights
    GM64126Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Flywheel weights of the same length must be installed into the NEW flywheel in the same location as the old weights were in the old flywheel.
  1. Note the position of the old flywheel weights and install the NEW flywheel weights as required.

    A properly installed flywheel weight will be flush or slightly below flush with the face of the flywheel.

  2. Fig 2: View Of Flywheels
    GM188129Courtesy of GENERAL MOTORS CORP.
  3. Install the flywheel (1 or 2).

    Align the flywheel locator hole to the flywheel locator pin.

  4. Fig 3: Flywheel Bolt Tightening Sequence
    GM63174Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  5. Install the flywheel bolts.

    Tighten:  Tighten the bolts in the sequence shown to 100 N.m (74 lb ft).

  6. Install the automatic transmission. Refer to Transmission Replacement .