Torque Converter Clutch Shudder. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Torque Converter Clutch Shudder

Checks

Causes

Miscellaneous

•	Low oil presure

•	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)

•	Turbin shaft O-ring (618) cut or damaged

•	Turbin shaft retainer and ball assembly (617) restricted or damaged