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Final Drive Unit Disassembly

  1. Remove dial indicator, indicator post and loader/aligner adapter. Remove final drive internal gear spacer-to-case snap ring. Snap ring is .092" (2.34 mm) thick. Remove final drive internal gear spacer. Use care not to deform or bend spacer.
  2. Using Final Drive Unit Remover/Installer (J-33381), lift final drive unit from case. Remove final drive differential-to-case selective thrust washer. Remove differential carrier-to-case thrust roller bearing assembly from final drive assembly. If thrust washer and thrust bearing did not come out with final drive assembly, remove from case.
Fig 1: Checking Final Drive End Play
G92J12681Courtesy of GENERAL MOTORS CORP.
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