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Removal Procedure

WARNING: This page is about a different car, the 2005 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Reverse Boost Valve
    GM687542Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid/Filter Replacement .
  3. Compress the reverse boost valve sleeve into the bore of the oil pump to release tension on the reverse boost valve retaining ring.
  4. Remove the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
    5. Fig 2: View Of Reverse Boost Valve, Pressure Regulator Valve & Components
    GM298157Courtesy of GENERAL MOTORS CORP.
  5. Remove the reverse boost valve sleeve (5) and the reverse boost valve (4).
  6. Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
  7. Remove the pressure regulator valve (1).
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