Express 1 Ton Van V8-5.7L VIN R (1999)
1. Install the pressure regulator valve with J36850.
2. Pre-assemble the following parts:
2.1.
The reverse boost valve bushing
2.2.
A new reverse boost valve
2.3.
A new pressure regulator spring retainer
2.4.
The added isolator pressure regulator spring
2.5.
The pressure regulator spring
3. Install the pre-assembled parts into the pump bore.
4. Install the reverse boost valve bushing retainer ring while holding the reverse boost valve bushing in place. Ensure the retainer ring is in the
groove.
5. Install the transmission oil pan and the oil filter. Refer to Automatic Transmission Fluid/Filter Changing.
6. Lower the vehicle.
