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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Pressure Regulator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  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 Valve, Reverse Boost Valve & Components
    G02424169Courtesy 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 oil filter and pan. Refer to Automatic Transmission Fluid/Filter Replacement .
  8. Lower the vehicle.
  9. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
    Fig 2: Compressing Reverse Boost Valve Sleeve Into Oil Pump Bore
    G02424170Courtesy of GENERAL MOTORS CORP.
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