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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1034 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Pressure Regulator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the pressure regulator valve (1).
    Fig 1: View Of Reverse Boost Valve, Pressure Regulator Valve & Components
    GM298157Courtesy of GENERAL MOTORS CORP.
  2. Install the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
  3. Install the reverse boost valve (4) in the reverse boost valve sleeve (5).
  4. Install the reverse boost valve (4) and sleeve (5) in the oil pump cover.
    5. Fig 2: Locating Reverse Boost Valve
    GM687542Courtesy of GENERAL MOTORS CORP.
  5. Compress the reverse boost valve sleeve into the bore of the oil pump to expose the retaining ring slot.
  6. Install the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
  7. Install the transmission filter. Refer to Automatic Transmission Fluid/Filter Replacement .
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