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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (Automatic Transmission - 4L60-E - Service, Removal & Installation) >> Repair Instructions >> Pressure Regulator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission filter. Refer to Automatic Transmission Fluid/Filter Replacement   . 
  2. Compress the reverse boost valve sleeve into the bore of the oil pump to release tension on the reverse boost valve retaining ring.
  3. Remove the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
    Fig 1: Removing Reverse Boost Valve Retaining Ring
    G01953572Courtesy of GENERAL MOTORS CORP.
  4. Remove the reverse boost valve sleeve (5) and the reverse boost valve (4).
  5. Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
  6. Remove the pressure regulator valve (1).
    Fig 2: Removing Pressure Regulator Valve
    G01953573Courtesy of GENERAL MOTORS CORP.
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