Assembly Procedure

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Fig 1: Input & Reaction Carrier Components Inspection Areas

Courtesy of GENERAL MOTORS CORP.

Inspect the thrust bearings (671, 674, 676) for the following:
- A damaged cage
- Damaged or missing rollers
Inspect the reaction carrier assembly (675) for the following:
- Damage to the pinion teeth
- Damage to the internal gear teeth
Inspect the input carrier assembly (672) for the following:
- Damage to the pinion teeth
- Damage to the spline teeth

Fig 2: Identifying Reaction Carrier/Sun Gear Thrust Bearing

Courtesy of GENERAL MOTORS CORP.

Install the reaction carrier/sun gear thrust bearing (676) into the reaction carrier assembly (675). Use J 36850 or equivalent in order to retain the bearing.
Install the reaction carrier assembly (675) into the case and rotate the carrier so that the pinions engage the reaction sun gear.

Fig 3: Installing Input/Reaction Carrier Thrust Bearing

Courtesy of GENERAL MOTORS CORP.

Install the input/reaction carrier thrust bearing (674) into the input carrier assembly (672). Use J 36850 or equivalent in order to retain the bearing.
Install the input carrier/reaction carrier lube dam (673) into the input carrier assembly (672). Use J 36850 or equivalent in order to retain the lube dam.
Insert the input carrier assembly (672) into the case and rotate the carrier so that the pinions engage the reaction carrier internal gear.