GM Service Manual Online
For 1990-2009 cars only

Noise in First, Second, Third, Fourth, or Reverse Gear for Cadillac Escalade EXT 2009

Checks

Causes

Input Shaft Assembly (64)

Inspect thrust washers, and ring gear for wear damage.

Sun Gear Carrier Assembly 1st - 2nd - 3rd Position (67, 77, 434)

Inspect thrust washers, pinion gears, and pins for wear damage.

1-3 Clutch Housing Assembly (80) and 2-3-4 Clutch Assembly (471)

Inspect for worn or damaged clutch bearing.