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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1340 (Power Steering System) >> Repair Instructions >> Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle (670 Gear) >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the nut (3).
  2. Remove the lock washer (2).
  3. Clean the exposed end of the pitman shaft.
  4. Clean the steering gear housing (1).
    5. Fig 1: Gear Housing, Lock Washer & Nut
    G01479614Courtesy of GENERAL MOTORS CORP.
  5. Use a wire brush to clean the pitman shaft splines.
    IMPORTANT: The pitman shaft will not clear the housing if it is not centered.
  6. To center the stub shaft:
    1. 6.1. Rotate the stub shaft (1) with a wrench from stop to stop.
    2. 6.2. Count the number of turns.
    3. 6.3. Rotate the stub shaft back 1/2 of the total amount of turns.
      Fig 2: Rotating Stub Shaft
      G01479615Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the pitman shaft assembly, the pitman arm and its components may fall from the steering gear housing. Support the pitman arm and its components while removing the pitman shaft assembly.
  7. Remove the pitman shaft cover bolts (1) from the pitman shaft and cover assembly (3).

    Remove the lash adjuster nut (2) from the pitman shaft and cover assembly (3).

  8. Remove the pitman shaft and cover assembly (3).
  9. Remove the pitman shaft cover O-ring (4) from the steering gear housing assembly.
Fig 3: Removing Pitman Shaft Cover Bolts , Lash Adjuster Nut, Cover Assembly & O-Ring
G01479616Courtesy of GENERAL MOTORS CORP.
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