Harsh, Soft, Delayed or Slipping 4-5-6 Shift

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
4-5-6 (with Turbine Shaft) Clutch Assembly (56)	Inspect for damaged or worn clutch plates (433-435). Inspect for damaged piston (439), piston dam (437), dam retaining ring (436), and clutch spring (438). Inspect for improper selective 4-5-6 clutch backing plate retaining ring (431). Inspect for cut, worn, or damaged turbine shaft fluid seal rings (442).