1-2-3-4 and 3-5 Reverse Clutch Assembly and 4-5-6 Clutch Assembly Installation (6L50/80/90)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: 1-2-3-4 & 3-5 Reverse Clutch Assembly & 4-5-6 Clutch Assembly (6L50/80/90)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	2-6 and 3-5 Reverse Clutch Hub Thrust Bearing Assembly
2	2-6 and 3-5 Reverse Clutch (with Output Carrier Outer Sun Gear Shaft) Hub Assembly
3	1-2-3-4 Clutch Hub Thrust Bearing Assembly
4	1-2-3-4 Clutch (with Output Carrier Inner Sun Gear Shaft) Hub Assembly
5	4-5-6 Clutch Hub Thrust Bearing Assembly
6	4-5-6 Clutch (with Output Carrier Shaft and Dampener) Hub Assembly Tip: Refer to 4-5-6 Clutch Dampener Overhaul (6L50/80/90) for complete inspection.
7	Turbine Shaft Thrust Bearing Assembly
8	4-5-6 (with Turbine Shaft) Clutch Assembly
9	Input Sun Gear Thrust Bearing Tip: Thrust bearing snaps onto input carrier assembly.
10	Input Sun Gear Thrust Washer
11	Input Carrier Assembly Tip: The spline on the input carrier installs up into the 1-2-3-4 and 3-5 reverse clutch housing.
12	Input Sun Gear
13	1-2-3-4 and 3-5 Reverse Clutch Assembly Tip: Wiggle the DT 47781: clutch assembly installer in order to align the 1-2-3-4 and 3-5 reverse clutch plates with the external splines of the 4-5-6 clutch assembly. To verify that the 1-2-3-4 and 3-5 reverse clutch assembly is fully installed, lift up on the turbine shaft. There should not be any noticeable slack. Special Tool: DT 47781: C1234 35R Clutch Assembly Installer For equivalent regional tools, refer to Special Tools .