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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1372 (Wheel Drive Shafts) >> Repair Instructions >> Wheel Drive Shaft Inner Joint and Seal Replacement - Front >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the small seal clamp from the wheel drive shaft bar using side cutters and discard the clamp.
  2. IMPORTANT: Do not cut through the wheel drive shaft outboard seal and damage sealing surface of the outer housing and the tripod bushing.
  3. Remove the large seal clamp from the tripod joint with side cutters and discard the clamp.
  4. Separate the wheel drive shaft outboard seal from the tripod bushing.
  5. Slide the seal away from the joint along the wheel drive shaft.
  6. Remove the housing from the tripod joint spider and the wheel drive shaft.
  7. IMPORTANT: The correct 60 degree offset relationship between the inner and outer tripod spiders must be maintained. Accurately reference mark the tripod spider position on the wheel drive shaft bar before disassembly.
    Fig 1: Reference Marks
    GM826104Courtesy of GENERAL MOTORS CORP.
  8. Reference mark (1) the position of the tripod spider on the wheel drive shaft.
  9. Remove the snap ring.
  10. Fig 2: Removing Tripod Spider
    GM826106Courtesy of GENERAL MOTORS CORP.
  11. Using a brass drift and a hammer, remove the tripod spider from the wheel drive shaft.
  12. Remove the inboard joint boot from the drive shaft.
  13. On the right hand drive shaft, remove the dynamic damper.
  14. Remove the joint seal from the wheel drive shaft.
  15. Fig 3: Removing Bearing From Shaft
    GM826108Courtesy of GENERAL MOTORS CORP.
  16. Using a press, remove the bearing from the shaft.
  17. Inspect the following parts for damage or wear:
    • The wheel drive shaft outboard seal
    • The tripod joint spider assembly
    • The housing
    • The tripod bushing
    • The bearing