Center Support and Gear Unit Assembly Installation

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Tools Required

J 38868 Lower Gear Unit Assembly Remover/Installer. See Special Tools .
J 6129 Handle. See Special Tools .
J 28585 Snap Ring Remover. See Special Tools .

Fig 1: Installing J 38868 & J 6129 To Transmission Main Shaft

Courtesy of GENERAL MOTORS CORP.

Attach the J 38868 and the J 6129 onto the main shaft. See Special Tools .
Align the bolt hole in the center support with the bolt hole in the case and carefully lower the center support and gear unit assembly (640-672) into the case.
Remove the tools.

Fig 2: Installing Center Support Retaining Ring

Courtesy of GENERAL MOTORS CORP.

Using the J 28585 , install the center support retaining ring (633). See Special Tools . The end gap of the center support retaining ring (633) should be located at the 9 o'clock position with the beveled edge of the retaining ring facing up.