GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Tahoe - 2WD 🢒 Transmission 🢒 Automatic Transmission - 2ML70 🢒 Vibration

Checks

Causes

Lug bolts for the Torque Dampener

Inspect for loose torque dampener lug bolts.

Sun Gear Thrust Washer 1st 2nd and 3rd Positions

Inspect for wear or damage.

Input Shaft Thrust Bearing Assembly (60)

Inspect for wear or damage.

2-3-4 Clutch Hub Thrust Bearing Assembly

Inspect the bearing for wear or damage.

Sun Gear Carrier Assembly - 1st, 2nd and 3rd Positions
    • Inspect the carrier assembly for damaged pinion gears, thrust washers, pins, and rollers.
    • Inspect for a worn or damaged center support roller bearing assembly .
    • Inspect for damaged thrust bearings.
    • Inspect the carrier assembly for damaged output carrier rear sun gear thrust bearing (captured).

Internal Gear Thrust Bearing Assembly - 2nd Position

Inspect the bearing for wear or damage.