GM Service Manual Online
For 1990-2009 cars only

Checks

Action

Stator shaft assembly (81)

Inspect if the component contains debris or is damaged - causing restricted fluid flow and increased fluid temperature. Replace the transmission case assembly (50). Refer to Case Cover and 3-5-Reverse and 4-5-6 Clutch Housing Removal .

Torque converter and housing seal assembly (2)

Inspect for looseness or damage. Replace the torque converter and housing seal assembly (2). Refer to Front Axle Shaft Seal Replacement .

Line limit valve (310) and spring (309)

Inspect for wear, sticking, binding or damage. Refer to Control Valve Body Assembly Disassemble .

Control valve body (305)

Inspect for porosity, damage, or contamination with debris. Replace or flush the control valve body (305). Refer to Control Valve Body Replacement .

TCC control valve (308) and spring (307)

Inspect for wear, sticking, binding or damage. Refer to Control Valve Body Assembly Disassemble .

TCC regulator valve (319) and apply valve spring (320)

Inspect for wear, sticking, binding or damage. Refer to Control Valve Body Assembly Disassemble .