Oil Pump & Reaction Shaft Support: Disassembly
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- Place reference mark on oil pump housing and reaction shaft support for reassembly reference. Remove the reaction shaft support bolts. Separate reaction shaft support from oil pump housing. See Figure . Remove seal ring from outer diameter of oil pump housing.
- Remove seal from oil pump housing (if necessary). Remove seal rings from reaction shaft support. Note direction of thrust washer installation on reaction shaft support hub. Remove thrust washer from reaction shaft support hub.
- Note direction of pump gear installation for reassembly reference. Remove pump gears from oil pump housing.
- Inspect bushing in oil pump housing and reaction shaft support for damage. If removing bushing from oil pump housing, place oil pump housing on flat surface with pump gear cavity facing downward.
- Using press or hammer and bushing remover, remove bushing. If removing bushing from reaction shaft support, use Cup (SP-3633), Nut (SP-1191) and Bushing Remover (SP-5301). See Fig 1 .
- Hold cup against reaction shaft. By hand, thread bushing remover into bushing as far as possible. Using wrench, thread bushing remover an additional 3-4 turns into bushing. Tighten nut and remove bushing.