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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1456 (Power Steering System) >> Repair Instructions >> Steering Gear Stub Shaft Seals and Bearing Replacement - Off Vehicle (Steering Gear Stub Shaft Seals) >> Assembly Procedure

Assembly 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.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: The stub shaft must be held to prevent damage to the pinion teeth.
    Fig 1: Installing Hex Nut & Dust Cover
    GM423460Courtesy of GENERAL MOTORS CORP.
  1. Install the hex lock nut (1) onto the pinion while holding the valve stub shaft.

    Tighten:  Tighten the hex lock nut (1) to 30 N.m (22 lb ft).

  2. Install the dust cover (2) to the rack and pinion gear assembly.
    3. Fig 2: Installing Stub Shaft Bearing Annulus Assembly
    GM423461Courtesy of GENERAL MOTORS CORP.
  3. Install the stub shaft bearing annulus assembly (1) onto the valve stub shaft (2).
    4. Fig 3: Installing Stub Shaft Seal
    GM423462Courtesy of GENERAL MOTORS CORP.
  4. Install J 29810  onto the valve stub shaft. See Special Tools and Equipment .
  5. Lubricate the stub shaft seal (2) with grease.
  6. Install the stub shaft seal (2) into the rack and pinion gear assembly.
  7. Install the retaining ring (1) into the groove in the rack and pinion gear assembly.
    8. Fig 4: Disassembling/Assembling Rack Bearing Assembly
    GM423457Courtesy of GENERAL MOTORS CORP.
  8. Lubricate the following items with lithium base grease:
    1. The rack bearing (2)
    2. The adjuster spring (3)
    3. The adjuster plug (4)
  9. Install the following items into the gear assembly:
    1. The rack bearing (2)
    2. The adjuster spring (3)
    3. The adjuster plug (4)
  10. Turn the adjuster plug (4) clockwise onto the rack and pinion gear assembly (1) until the adjuster plug (4) bottoms in the rack and pinion gear assembly (1).
  11. Turn the adjuster plug (4) back 50 degrees to 70 degrees.
  12. Check the rotational torque on the pinion. The maximum pinion preload torque is 1.8 N.m (16 lb in).
  13. Install the adjuster plug lock nut (5) to the adjuster plug (4).

    Finger tighten the adjuster plug lock nut (5) while holding the adjuster plug (4) stationary.

    Tighten:  Tighten the nut to 68 N.m (50 lb ft).

  14. To install the rack and pinion assembly onto the vehicle, refer to Rack and Pinion Boot Replacement - Off Vehicle .
    IMPORTANT: Flush and bleed power the steering system (hoses, reservoir and cooler lines) with power steering fluid GM P/N 1050017 (or equivalent meeting GM Specification number 9985010).

    Refer to Bleeding the Power Steering System .

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