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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 912 (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 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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 (700 GEAR) .
  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 (1/4 in).
    3. 3.3. Disengage the stub shaft pin (3) from the hole in the valve spool (4).
    Fig 1: Removing Stub Shaft & Valve Assembly From Steering Gear Housing
    G01467279Courtesy 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: Valve Body Teflon Rings & O-Ring Seals
G01467280Courtesy of GENERAL MOTORS CORP.
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