Ciera V6-173 2.8L VIN W FI (1986)
Valve Body: Service and Repair
Hydra-Matic 125C (3T40)
Prior to performing the following procedure, refer to "Delay In Both Forward And Reverse Operating Ranges" and "Harsh 1-2 Upshift When
Hot During Medium To Hard Acceleration" in the "Service Bulletins" section.
1.
Disconnect battery ground cable, then the TV cable.
2.
Raise and support vehicle.
3.
Remove left front wheel.
4.
Remove valve body cover retaining bolts and the cover.
5.
Remove TCC solenoid retaining bolt and the solenoid. Disconnect TCC solenoid and 3rd gear pressure switch electrical connectors.
6.
Remove TV linkage and bracket assembly retaining bolt and the linkage.
7.
Remove remaining valve body retaining bolts, then the valve body and six check balls. Do not remove the green bolt at this time.
8.
Remove green bolt and separate auxiliary valve body from the valve body.
9.
Reverse procedure to install noting the following:
a. Torque bolts to specifications.
b. Adjust TV cable as outlined under "TV Cable, Adjust".
c. Add necessary transaxle fluid. For fluid capacity and type, refer to the "Lubricant Data" chart.
