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Pressure Regulator: Installation

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). Install the pressure regulator isolator spring (3) and the pressure regulator valve spring (2). See Figure .
  2. Install the reverse boost valve (4) in the reverse boost valve sleeve (5). Install the reverse boost valve (4) and sleeve (5) in the oil pump cover. See Figure .
  3. Compress the reverse boost valve sleeve into the bore of the oil pump to expose the retaining ring slot.
  4. Install the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve. See Figure . Install the transmission oil filter and oil pan. See DRAINING & REFILLING  under LUBRICATION.
  5. Lower the vehicle. Fill transmission with appropriate fluid to proper level. See RECOMMENDED FLUIDS  and FLUID CAPACITIES  under LUBRICATION.
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