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Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul & Testing - 700-R4/4L60 >> Component Disassembly & Reassembly >> Input Clutch & Forward Clutch Hub Assembly >> Disassembly

Input Clutch & Forward Clutch Hub Assembly: Disassembly

  1. Position input clutch assembly on bench. Remove snap ring retaining 3-4 clutch backing plate. Remove backing plate. Remove 3-4 clutch plates. Note number and locations of components. Remove 3-4 apply plate and clutch ring retainer. See Figure .
  2. Remove forward clutch retainer ring, and remove backing plate. Remove forward clutch sprag assembly and bearing. Remove input housing seal. Remove forward clutch plates. Note number and locations of components.
  3. Remove waved and apply plates. Remove overrun clutch plates (2 steel and 2 composition). Using Clutch Spring Compressor (J-23456) and Adapter (J-25018-A), compress overrun clutch spring retainer.
  4. Remove retainer ring. Remove compressor, adapter and spring assembly. Remove overrun piston and forward clutch piston. Remove seals from pistons. Note direction of seals. Remove forward clutch housing. Remove 3-4 spring, 3-4 apply ring and piston. Remove "O" ring from input housing. Remove turbine shaft seal rings.
  5. Remove forward clutch race. Remove snap ring and overrun clutch hub. Remove sprag retainer and race. Note direction race is installed. Use care not to lose rollers from roller cage.
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