Chevrolet Silverado / GMC Sierra. Service manual — part 778

OUTPUT CARRIER ASSEMBLY OVERHAUL (6L80)

Fig. 119: Output Carrier Assembly Overhaul (6L80)
Courtesy of GENERAL MOTORS CORP.

transmission damage.

2

Output Gear Internal Gear Spacer

3

Output Carrier Internal Gear Retaining Ring
Tip: Do not install the output carrier internal
front gear and retaining ring yet. These
components will be installed during assembly
of the output carrier to the output shaft.

Callout

Component Name

1

Output Carrier Front Sun Gear Thrust Bearing
Assembly

Center Support Roller Bearing

NOTE:

Do not reuse the center support roller bearing. Install a

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

OUTPUT CARRIER ASSEMBLY OVERHAUL (6L90)

2

Tip: The thick side of the bearing shell faces up.

Special Tools

DT 47857 Bearing Installer. See Special
Tools.

J 6125-B Slide Hammer. See Special Tools.

J 8092 Driver Handle

J 23129 Universal Seal Remover. See
Special Tools.

NEW center support roller bearing. Reusing an old
bearing may result in damage to the output carrier.

3

Output Carrier Front Sun Gear

NOTE:

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

NOTE:

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.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 120: Output Carrier Assembly Overhaul (6L90)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Output Carrier Front Sun Gear Thrust Bearing
Assembly

2

Center Support Roller Bearing

Tip: The thick side of the bearing shell faces up.

Special Tools

DT 47857 Bearing Installer. See Special
Tools.

J 8092 Driver Handle

NOTE:

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.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

OUTPUT CARRIER TO OUTPUT SHAFT ASSEMBLE (6L80/6L90)

J 45124 Removal Bridge. See Special Tools.

DT 47865 Bearing Remover. See Special
Tools.

3

Output Carrier Front Sun Gear

NOTE:

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

NOTE:

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.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado