Final Drive Assembly: Installation

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Install the sun gear (121) with the bushing and the seal side facing differential. See Figure . Install the final drive carrier (100). Turn the unit until it meshes with the sun gear and the internal gear teeth. Install the left thrush washer (117). See Fig 1 . Install the left differential side gear (118). Install the snap ring (56). Use the manual shaft to place the transaxle in Park. This will lock up the final drive unit. The actuator rod will move up. Install differential carrier. See DIFFERENTIAL CARRIERΒ  .

Fig 1: Removing & Installing Differential Side Gear
G00094552Courtesy of GENERAL MOTORS CORP.
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When to See a Mechanic

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

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