K Yukon/Denali 4WD V8-6.5L DSL Turbo VIN S (1999)
1. Remove the armature bearings (1,3) and the armature (2) if replacing the armature and the bearings is necessary.
2. Use a suitable bearing puller in order to remove the commutator end or the drive end bearings from the armature assembly.
Armature Bearing Installation
1. Use a tube that bears only on the bearing inner race in order to install the new commutator end and/or the drive end bearings to the armature
assembly.
2. Press on the bearing until the inner race bottoms out against the shoulder of the armature shaft.
3. Install the armature and armature bearings.
Center Support Bearing Removal
TOOLS REQUIRED
Locally Fabricated Tool
Use the following procedure in order to remove the center support bearing from the driveshaft if the center support bearing needs replacement:
NOTE: Ball bearings that are removed from the armature must be replaced with new bearings. The removal procedure causes internal damage to the
bearings.
1. Inspect the center support bearing in order to determine if the center support bearing needs replacement.
2. Proceed with the following steps it the center support bearing needs replacement.
3. Fabricate a tool for removing the center support bearing using the dimensions shown.