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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Power Rack & Pinion 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 is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Retaining Ring, Dust Cover & Hex Lock Nut
    GM423460Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer toFASTENER NOTICE .
    IMPORTANT: The stub shaft must be held to prevent damage to the pinion teeth.
  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 & Stub Shaft Seal
    GM423461Courtesy of GENERAL MOTORS CORP.
  3. Install the stub shaft bearing annulus assembly (1) onto the valve stub shaft (2).
    4. Fig 3: Removing Rack & Pinion Steering Assembly
    GM423462Courtesy of GENERAL MOTORS CORP.
  4. Install J 29810 onto the valve stub shaft.
  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: Lubricating Rack Bearing, Adjuster Spring & Adjuster Plug With Lithium Base Grease
    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 68N.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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