Torque Converter Clutch Shudder

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
Miscellaneous	Low oil pressure Engine not tuned properly Contaminated transmission oil
Oil Filter (72)	Crack in filter body Flash restricting filter neck O-ring seal (71) cut or damaged
Torque Converter Assembly (1)	Internal damage Broken weld or missing weight
Oil Pump Assembly (4)	Converter clutch valve (224) stuck Restricted oil passage
Input Housing and Shaft Assembly (621)	Turbine shaft O-ring (618) cut or damaged Turban shaft retainer and ball assembly (617) restricted or damaged