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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 633 (Power Steering System) >> Repair Instructions >> Steering Gear Stub Shaft Seals & Bearing Replacement - Off Vehicle >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the hex lock nut (1) onto the pinion while holding the valve stub shaft. Tighten the nut to 30 N.m (22 ft lbs)
  2. Install the dust cover (2) to the rack and pinion gear assembly.
    Fig 1: Dust Cover
    G01666991Courtesy of GENERAL MOTORS CORP.
  3. Install the stub shaft bearing annulus assembly (1) onto the valve stub shaft (2).
    Fig 2: Stub Shaft Bearing Annulus Assembly
    G01666992Courtesy of GENERAL MOTORS CORP.
  4. Install J 29810  onto the valve stub shaft.
  5. Lubricate the stub shaft seal (3) with grease
  6. Install the stub shaft seal (3) into the rack and pinion gear assembly.
  7. Install the retaining ring (2) into the groove in the rack and pinion gear assembly.
  8. Install the spool shaft boot (1) onto the rack and pinion gear assembly.
    Fig 3: Stub Shaft Seal, Retaining Ring & Spool Shaft Boot
    G01666993Courtesy of GENERAL MOTORS CORP.
  9. Lubricate the following items with lithium base grease:
    1. 9.1. The rack bearing (2)
    2. 9.2. The adjuster spring (3)
    3. 9.3. The adjuster plug (4)
  10. Install the following items into the gear assembly:
    1. 10.1. The rack bearing (2)
    2. 10.2. The adjuster spring (3)
    3. 10.3. The adjuster plug (4)
    Fig 4: Rack Bearing, Adjuster Spring & Adjuster Plug
    G01666994Courtesy of GENERAL MOTORS CORP.
  11. Turn the adjuster plug (1) clockwise onto the rack and pinion gear assembly until the adjuster plug (1) bottoms in the rack and pinion gear assembly, then turn the adjuster plug (1) 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 in lbs).
    Fig 5: Checking Rotational Torque On Pinion
    G01666995Courtesy of GENERAL MOTORS CORP.
  13. Install the adjuster plug lock nut (5) to the adjuster plug (4). Finger tighten the lock nut while holding the adjuster plug stationary.
    Fig 6: Adjuster Plug Lock Nut To Adjuster Plug
    G01666996Courtesy of GENERAL MOTORS CORP.
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