Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Installation Procedure
  1. In order to protect the differential case, install the J 8107-4  , 8.6 inch axle, or the J 36597  , 9. See Special Tools .75 inch axle, or J 8107-3  , 10.5 inch axle, in the case on the side opposite the bearing installation.
  2. Install the bearing on top of the differential case.
  3. Fig 1: Driving The Differential Side Bearing Into Position
    GM651740Courtesy of GENERAL MOTORS CORP.
  4. Install the differential side bearing onto the differential case by doing the following:
    1. Install one of the following side bearing installers to the J 8092  (1) and place over the differential side bearing as shown:
      • For the 8.6 inch axle, use J 21784  (2). See Special Tools .
      • For the 9.75 inch without RPO G80 or 10.5 inch axles, use J 24430  or the J 45900  (2). See Special Tools .
      • For the 9.75 inch with RPO G80, use DT46725  (2). See Special Tools .
    2. Drive the bearing onto the differential case using the J 21784  , the. See Special Tools .J 24430  , the J 45900  , or the DT46725  and the J 8092  . See Special Tools .
  5. Install the differential assembly. Refer to Differential Replacement (8.6 Inch Axle)  or Differential Replacement (9.75 Inch, 10.5 Inch Axles) .
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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.