Reaction Unit Disassembly
- Remove dial indicator, gauge and output shaft aligner/loader. Leave output shaft loader adapter in place. Remove reaction sun gear. Remove low-reverse clutch housing-to-case snap ring. Snap ring is .092" (2.34 mm) thick. Using Low-Reverse Clutch Housing Remover/Installer (J-28542 or J-34008), remove low-reverse clutch housing. See Fig 1.
- Remove low-reverse clutch housing-to-case spacer ring from groove in case. Lift out final drive sun gear shaft and reaction gear set as an assembly. Remove roller clutch and reaction carrier assembly from final drive sun gear shaft.
Courtesy of GENERAL MOTORS CORP.