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Disassembly Procedure

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  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. If necessary, remove the stub shaft (1) from the valve assembly (2) in the following manner:
    1. 3.1.  Tap the stub shaft (1) lightly on a wood block in order to loosen the cap.
    2. 3.2.  Pull the cap and the valve spool out from valve body (2) 6 mm (1/2 in).
    3. 3.3.  Disengage the stub shaft pin (3) from the hole in the valve spool (4).
    Fig 1: Removing Stub Shaft
    G01662206Courtesy of GENERAL MOTORS CORP.
  4. If the valve assembly needs repair, disassemble the valve in the following manner:
    1. 4.1.  Simultaneously pull and rotate the valve spool (1) from the valve body (3).
    2. 4.2.  Remove the valve spool O-ring seal (2).
    3. 4.3.  Alternately remove the valve body teflon rings (5) and the O-ring seals (4).
    Fig 2: Disassembling Steering Gear Valve
    G01662207Courtesy of GENERAL MOTORS CORP.
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