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Pressure Regulator: Removal

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Remove the transmission oil pan and filter. See DRAINING & REFILLING  under LUBRICATION.
  2. Compress the reverse boost valve sleeve into the bore of the oil pump to release tension on the reverse boost valve retaining ring. See Figure .
  3. Remove the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
  4. Remove the reverse boost valve sleeve (5) and the reverse boost valve (4). See Figure .
  5. Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2). Remove the pressure regulator valve (1). See Figure .
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