DIY: How To Replace Your Torque Converter Clutch Solenoid (GM)

Disassembly: Transaxle Support Assembly (Bracket)

» Remove the negative battery cable.
» Remove the air intake duct.
» Remove the Throttle Valve (TV) cable.
» Remove the power brake booster line and hose.
» Install engine support fixture J 28467-A. Raise the engine just enough to take the pressure off the engine mounts.
» Raise and support the vehicle with the jack and jack stands.
» Remove the engine mount strut.
» Remove the left front wheel and tire assembly.
» Remove the left splash shield.
» Remove the cross member.
» Remove the left front ABS wheel speed sensor connector and harness from the suspension support.
» Remove the left front ball joint.
» Remove the left stabilizer bushing nuts.
» Remove the stabilizer shaft from the left lower control arm.
» Remove the left suspension support.
» Remove the left side drive axle from the transaxle.
» Remove the transaxle cooler pipes and plug to prevent leakage.
» Remove the P/S lines from the P/S gear and plug it to prevent leakage.
» Remove the transaxle mount to body bolts.
» Remove the pipe expansion bolt from the transaxle support assembly.
» Remove the lower engine/transaxle assembly just enough to be able to remove the transaxle support assembly and mount assembly.
» Remove the transaxle mount from the transaxle support assembly.
» Remove the transaxle support assembly fasteners.
» Remove the transaxle support assembly.

Disassembly: Valve Body Cover

» Remove the valve body cover and gasket. » Determine if the washer is inverted on the bolts, refer to the image.

IMPORTANT: Use adhesive/sealant compound GM P/N 12345282 or equivalent to reduce the potential for oil leaks on bolts, refer to the image.

Disassembly: Torque Converter Clutch (TCC) Solenoid