Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure
    Fig 1: J 45850-2, J 45850-3 & Nuts On Lower Differential Carrier Assembly Bushing
    GM897615Courtesy of GENERAL MOTORS CORP.
  1. If replacing the lower differential carrier assembly bushing, install the bushing by performing the following steps:
    1. Install the differential carrier assembly bushing into the differential carrier assembly bushing bore.
    2. Install the J 45850-2 (3), the J 45850-3 (2), the forcing screw, the thrust bearing, and the nuts (1, 4-5) over the differential carrier assembly bushing as shown.
    3. Install the lower differential carrier assembly bushing by holding the upper nut and tightening the lower nut of the J 45850Β  . See Special ToolsΒ .
  2. Fig 2: J 45850-2, J 45850-3 & Nuts On Upper Differential Carrier Assembly Bushing
    GM893246Courtesy of GENERAL MOTORS CORP.
  3. If replacing the upper differential carrier assembly bushing, install the bushing by performing the following steps:
    1. Install the differential carrier assembly bushing into the differential carrier assembly bushing bore.
    2. Install the J 45850-2 (2), the J 45850-3 (3), the forcing screw, the thrust bearing, the washers, and the nuts (1) over the differential carrier assembly bushing as shown.
    3. Install the upper differential carrier assembly bushing by holding the lower nut and tightening the upper nut of the J 45850Β  . See Special ToolsΒ .
  4. Install the differential carrier assembly. Once the differential carrier assembly is installed, remove the piece of tape in order to connect the vent hose. Refer to Differential Carrier Assembly ReplacementΒ .
RENDER: 1.0x

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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.