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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 7 (AUTOMATIC TRANSMISSION - 4L80-E - UNIT REPAIR OVERHAUL)TRANSMISSION OVERHAULCENTER SUPPORT AND GEAR UNIT ASSEMBLY INSTALLATION
2001 Chevrolet Suburban C1500

Center Support and Gear Unit Assembly Installation

2001 Chevrolet Suburban C1500SECTION Center Support and Gear Unit Assembly Installation
WARNING: This page is about a different variant/trim than selected.

Tools Required

    Fig 1: Installing J 38868 To Transmission Main Shaft
    GM334768Courtesy of GENERAL MOTORS COMPANY
  1. Attach the J 38868  and the J 6129  onto the main shaft.
  2. 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.
  3. Remove the tools.
    4. Fig 2: Installing Center Support Retaining Ring At The 9:00 Position
    GM334801Courtesy of GENERAL MOTORS COMPANY
  4. Using the J 28585  , install the center support retaining ring (633). 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.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.