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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 356 (Automatic Transmission Servicing) >> Removal & Installation >> Pressure Regulator >> Removal

Pressure Regulator: Removal

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle.
  2. Remove the transmission oil pan and filter. See DRAINING & REFILLING  under LUBRICATION.
  3. Compress the reverse boost valve sleeve into the bore of the oil pump to release tension on the reverse boost valve retaining ring. See Fig 1 .
  4. Remove the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
  5. Remove the reverse boost valve sleeve (5) and the reverse boost valve (4). See Fig 2 .
  6. Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
  7. Remove the pressure regulator valve (1).
Fig 1: Installed View Of Pressure Regulator
G00056996Courtesy of GENERAL MOTORS CORP.
Fig 2: Exploded View Of Pressure Regulator
G00056997Courtesy of GENERAL MOTORS CORP.
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