LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1459 (Rear Drive Axle) >> Repair Instructions >> Drive Pinion Flange/Yoke and/or Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Observe and mark the positions of all the driveline components, relative to the propeller shaft and the axles, prior to disassembly. These components include the propeller shafts, drive axles, pinion flanges, output shafts, etc. Reassemble all the components in the exact places in which you removed the parts. Follow any specifications, torque values, and any measurements made prior to disassembly.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the rear brake calipers. Refer to Brake Caliper Replacement - Rear in Disc Brakes.
  4. Remove the brake rotors. Refer to Brake Rotor Replacement - Rear in Disc Brakes.
  5. Remove the propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
    6. Fig 1: Measuring Pinion Rotating Torque
    GM661077Courtesy of GENERAL MOTORS CORP.
  6. Measure the amount of torque required to rotate the pinion. Use an inch-pound torque wrench. Record this measurement for reassembly. This will give the combined preload for the following components:
    • The pinion bearings
    • The pinion oil seal
    • The differential case bearings
    • The axle bearings
    • The axle seals
    7. Fig 2: View Of Pinion Shaft & Pinion Yoke Alignment Marks
    GM788905Courtesy of GENERAL MOTORS CORP.
  7. Place an alignment mark between the pinion and the pinion yoke.
    8. Fig 3: Holding Pinion Yoke With Special Tool
    GM788482Courtesy of GENERAL MOTORS CORP.
  8. Install the J 8614-01  as shown.
  9. Remove the pinion nut while holding the J 8614-01  .
  10. Remove the washer.
    11. Fig 4: Installing J 8614-3 & J 8614-2 Into J 8614-01
    GM788483Courtesy of GENERAL MOTORS CORP.
  11. Install the J 8614-3  (2) and the J 8614-2  (3) into the J 8614-01  (1) as shown.
  12. Remove the pinion yoke by turning the J 8614-3  (3) clockwise while holding the J 8614-01  (1).

    Use a container in order to retrieve the lubricant.

  13. Remove the pinion oil seal. Use a suitable seal removal tool. Do not damage the housing.
scientia non olet · About LEMON Manuals