Shudder on Launch and/or Deceleration. GMC Truck Yukon

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 2ML70 🢒 Shudder on Launch and/or Deceleration

Checks

Causes

Hybrid Low 1-2 Clutch Assembly

•	Inspect for damaged or worn low 1-2 clutch plates.

•	Inspect for damaged 1-2 clutch backing plate. Inspect for worn splines on backing plate.

•	Inspect for damaged 1-2 clutch backing plate retaining ring. Make sure the retaining ring is fully seated in the housing.

•	Inspect for damaged 1-2 clutch piston assembly, spring, spring retaining ring, and center support assembly. Make sure there are NO nicks, or marks in the bonded rubber material on the piston.

Auxiliary Pump

Inspect the auxiliary fluid pump line pressure. Refer to Line Pressure Check, Auxiliary Fluid Pump.