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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1663 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Output Carrier Assembly Overhaul (6L90)

Output Carrier Assembly Overhaul (6L90)

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Fig 1: Output Carrier Assembly (6L90)
GM1822758Courtesy 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.