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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 729 (Power Steering System) >> Repair Instructions >> Steering Gear Valve Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the thrust support assembly. Refer to Steering Gear Thrust Support Replacement - Off Vehicle  .
  2. Remove the stub shaft (1) and the valve assembly (2) from the steering gear housing.
    3. Fig 1: Identifying Steering Gear Valve Assembly
    G02501275Courtesy of GENERAL MOTORS CORP.
  3. If necessary, remove the stub shaft (1) from the valve assembly (2) in the following manner:
    1. Tap the stub shaft (1) lightly on a wood block in order to loosen the cap.
    2. Pull the cap and the valve spool out from valve body (2) 6 mm (1/4 in).
    3. Disengage the stub shaft pin (3) from the hole in the valve spool (4).
  4. If the valve assembly needs repair, disassemble the valve in the following manner:
    1. Simultaneously pull and rotate the valve spool (1) from the valve body (3).
    2. Remove the valve spool O-ring seal (2).
    3. Alternately remove the valve body teflon rings (5) and the O-ring seals (4).
    Fig 2: Identifying Steering Gear Valve Assembly Components
    G02501276Courtesy of GENERAL MOTORS CORP.
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