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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 833 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Pressure Regulator Replacement >> Installation Procedure

Installation Procedure

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  1. Install the pressure regulator valve (1).
  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.
    Fig 1: Installing Pressure Regulator & Components
    G02111775Courtesy 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  .
    Fig 2: Installing Reverse Boost Valve Retaining Ring
    G02111776Courtesy of GENERAL MOTORS CORP.