Express 1500 RWD V8-5.3L (2008)
1. Install the J 25025 into the control valve body bolt hole where the manual shaft detent roller and spring assembly is mounted.
2. Install the control valve body gasket (2) onto the accumulator housing (1).
3. Install the control valve body spacer plate (3) onto the valve body gasket (2).
4. Install the third and fourth clutch accumulator housing gasket (3).
5. Install the third clutch accumulator piston spring (1). This spring is the longer of the two springs.
6. Install the fourth clutch accumulator piston spring (4).
7. Install the third and fourth clutch accumulator housing assembly (5) onto the control valve body assembly (2).
8. Install the six accumulator housing bolts (6). Start the bolts finger tight and work towards the opposite end.
Notice: Refer to Fastener Notice .
9. Tighten the accumulator housing bolts sequentially.
Tighten the accumulator housing bolts to 11 N.m (97 lb in).
10. Remove the J 25025 .
11. Install the control valve body assembly. Refer to Valve Body and Pressure Switch Replacement (See: Valve Body/Service and
Repair/4L80-E/4L85-E - Automatic Transmission) .
12. Lower the vehicle.
13. Fill the transmission to the proper level with DEXRON(R) VI transmission fluid. Refer to Transmission Fluid Check (See: Testing and
Inspection/Component Tests and General Diagnostics/4L80-E/4L85-E - Automatic Transmission/Transmission Fluid Checking) .
Important: It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to
