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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Output Yoke Inspection

Output Yoke Inspection

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    Fig 1: Measuring Outside Diameter Of Output Yoke Oil Seal Surface
    GM1217035Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Measure as described below at 3 or more locations.
    • Replace the output yoke if the specifications are not met.
  1. Inspect the output yoke (1) for damage.
  2. Measure the outside diameter (OD) of the output yoke oil seal surface.

    Specification:  The oil seal surface minimum OD is 65.08 mm (2.5622 in).