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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 966 (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 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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.
    Fig 1: Cleaning The Exposed End Of The Pitman Shaft (670 Gear)
    GM740401Courtesy of GENERAL MOTORS CORP.
  4. Clean the steering gear housing (1).
  5. Use a wire brush to clean the pitman shaft splines.
    6. IMPORTANT: The pitman shaft will not clear the housing if it is not centered.
    Fig 2: Centering The Stub Shaft (670 Gear)
    GM412386Courtesy of GENERAL MOTORS CORP.
  6. To center the stub shaft:
    1. Rotate the stub shaft (1) with a wrench from stop to stop.
    2. Count the number of turns.
    3. Rotate the stub shaft back 1/2 of the total amount of turns.
    7. 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.
    Fig 3: Removing Pitman Shaft And Cover Assembly (670 Gear)
    GM412387Courtesy of GENERAL MOTORS CORP.
  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.
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