Valve Body Assembly, Renew
Valve Body Assembly, Renew
^ Raise hood and fit wing cover.
^ Raise the vehicle on a ramp.
^ Drain the transmission lubrication system.
^ Remove the fluid pan.
^ Remove the fluid filter.
^ Remove the transmission internal harness.
^ Remove the internal lubrication pipe.
^ Remove the manual detent spring assembly.
^ Remove the internal dipstick stop.
^ Remove the valve body and accumulator assembly.
^ Note the internal harness runs for assembly purposes.
^ Disconnect the internal harness plug from 'A' shift solenoid.
^ Disconnect the internal harness plug from 'B' shift solenoid.
^ Disconnect the internal harness plug from the temperature sensor.
^ Disconnect the internal harness plug from the pulse width modulator (TCC solenoid).
^ Disconnect the internal harness plug from the variable force motor and place aside.
^ Release and remove 'A' shift solenoid to valve body securing screw.
^ Invert valve body assembly.
^ Release and remove accumulator block to valve body securing bolts.
^ Remove accumulator block assembly from valve body.
^ Remove and discard accumulator block to sandwich plate gasket.
^ Remove sandwich plate from valve body.
^ Remove and discard sandwich plate to valve body gasket.
^ Clean all relevant parts and faces.
^ Place valve body aside.
^ Place new valve body - supplied with new valves, solenoids etc - to front.
^ Fit new gasket to valve body.
^ Fit sandwich plate to valve body.
^ Fit two bolts to sandwich plate / valve body for alignment purposes, see Fig. 1.
Note: Select the close fitting bolt hole of the valve body and the elongated hole of the sandwich plate.
^ Fit new accumulator block to sandwich plate gasket.
^ Fit springs to accumulator block pistons.
^ Fit and align accumulator block, pistons and springs assembly to valve body sandwich plate.
^ Depress accumulator assembly against spring pressure.
^ Fit and tighten accumulator block to valve body securing bolts.
^ Remove the two bolts from sandwich plate / valve body (used for alignment purposes).
^ Invert valve body assembly.
^ Connect internal harness plug to variable force motor.
^ Connect internal harness plug to pulse width modulator.
^ Connect internal harness plug to temperature sensor.
^ Connect internal harness plug to 'B' shift solenoid.
^ Connect internal harness plug to 'A' shift solenoid.
^ Refit valve body and accumulator assembly to transmission, ensure that the nine checkballs are correctly located, see Figs. 2 and 3.
^ Refit internal dipstick stop.
^ Refit manual detent spring assembly.
^ Refit internal lubrication pipe.
^ Fit new internal harness multipin socket O-ring seal.
^ Refit multipin socket to main case and connect external harness.
^ Refit fluid filter.
^ Refit fluid pan.
^ Lower the vehicle on the ramp.
^ Refill the transmission with fluid.
^ Lower the hood.