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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Power Steering System) >> Repair Instructions >> Steering Gear Valve Replacement - Off Vehicle (700 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 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.
    Fig 1: Stub Shaft And Valve Assembly (700 Gear)
    GM322014Courtesy 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: Exploded View Of Valve Assembly (700 Gear)
    GM740394Courtesy of GENERAL MOTORS CORP.
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