Output Carrier Assembly Overhaul (6L90)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Output Carrier Assembly (6L90)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Output Carrier Front Sun Gear Thrust Bearing Assembly
2	Center Support Roller Bearing CAUTION: Do not reuse the center support roller bearing. Install a NEW center support roller bearing. Reusing an old bearing may result in damage to the output carrier. TIP: The thick side of the bearing shell faces up. Special Tools DT 47857 Bearing Installer J 8092 Driver Handle J 45124 Removal Bridge DT 47865 Bearing Remover For equivalent regional tools, refer to Special Tools .
3	Output Carrier Front Sun Gear CAUTION: Install the gear chamfer side up. Failure to install the gear chamfer side up may result in transmission damage.
4	Output Carrier Front Sun Gear Rear Thrust Bearing Assembly
5	Output Carrier Rear Sun Gear CAUTION: Install the gear chamfer side up. Failure to install the gear chamfer side up may result in transmission damage.
6	Output Carrier Rear Sun Gear Bearing Assembly TIP: Inspect for damage only. Do not remove. The bearing assembly is not a serviceable component.