Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT .
- Compress the reverse boost valve sleeve into the bore of the oil pump to release tension on the reverse boost valve retaining ring.
- 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).
- Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
- Remove the pressure regulator valve (1).