Installation Procedure

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Install the pressure regulator valve using J 36850 .

Fig 1: View Of Reverse Boost Valve Assembly

Courtesy of GENERAL MOTORS CORP.

Pre-assemble the following parts:
- The reverse boost valve bushing
- A new reverse boost valve
- A new pressure regulator spring retainer
- The added isolator pressure regulator spring
- The pressure regulator spring
Install the pre-assembled parts into the pump bore.

Fig 2: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing Retainer Ring

Courtesy of GENERAL MOTORS CORP.

Install the reverse boost valve bushing retainer ring while holding the reverse boost valve bushing in place.
Ensure the retainer ring (2) is in the groove.
Install the transmission filter. Refer to Automatic Transmission Fluid/Filter Replacement .
Fill the transmission to the proper level with Dexron® III transmission fluid. Refer to Transmission Fluid Checking Procedure .