LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 4L80-E/4L85-E - Introduction & Repair Instructions) >> Repair Instructions >> Pressure Regulator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the pressure regulator valve withJ 36850  .
    2. Fig 1: Reverse Boost Valve Assembly
    GM43318Courtesy of GENERAL MOTORS CORP.
  2. Pre-assemble the following parts:
    • The reverse boost valve bushing
    • A new reverse boost valve
    • A new pressure regulator spring retainer
    • The added isolator pressure regulator spring
    • The pressure regulator spring
  3. Install the pre-assembled parts into the pump bore.
    4. Fig 2: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing Retainer Ring
    GM102558Courtesy of GENERAL MOTORS CORP.
  4. Install the reverse boost valve bushing retainer ring while holding the reverse boost valve bushing in place.

    Ensure the retainer ring (2) is in the groove.

  5. Install the transmission oil pan and the oil filter. Refer to Automatic Transmission Fluid/Filter Replacement .
  6. Lower the vehicle.
  7. Fill the transmission to the proper level with Dexron® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
scientia non olet · About LEMON Manuals