GM Service Manual Online
For 1990-2009 cars only

No Torque Converter Clutch Apply for Cadillac Escalade EXT 2007

Checks

Causes

Torque Converter Assembly (1)

Diagnose torque converter for possible internal damage.

Fluid Pump Cover Assembly (219)

    • Inspect for worn, damaged, or sticking converter feed limit valve (220) and spring (221).
    • Inspect for worn, damaged, or sticking TCC control valve (227) and spring (226).
    • Inspect for damaged stator shaft.

Control Valve Lower Body Assembly (307)

Inspect for worn, damaged, or sticking torque converter clutch (TCC) regulator apply valve (355).

4-5-6 (with Turbine Shaft) Clutch Assembly (56)

    • Inspect for damaged turbine shaft.
    • Inspect for damaged turbine shaft O-ring seal.