Pressure Regulator: Removal
- Raise and support the vehicle.
- Remove the transmission oil pan and filter. See DRAINING & REFILLING under LUBRICATION.
- 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.
- Remove the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
- Remove the reverse boost valve sleeve (5) and the reverse boost valve (4). See Fig 2.
- Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
- Remove the pressure regulator valve (1). See Fig 2.
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.