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HOMESERVICE MANUALSCHEVROLET1983STEP VAN P20, 5.7 M, AUTOMATIC, 400/M40REPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSOVERHAUL - THM 400COMPONENT DISASSEMBLY & REASSEMBLYDIRECT CLUTCH & INTERMEDIATE ROLLER ASSEMBLYREASSEMBLY
1983 Chevrolet Step Van P20, 5.7 M, Automatic, 400/M40

Direct Clutch & Intermediate Roller Assembly: Reassembly

1983 Chevrolet Step Van P20, 5.7 M, Automatic, 400/M40SECTION Reassembly
  1. Install apply ring onto piston. See Figure. Install waved clutch plate or dished clutch plate into direct clutch housing. Install clutch plates. Alternate steel and composition plates. See Figure. Install direct clutch backing plate and snap ring.
  2. Install roller assembly or sprag assembly. Install intermediate clutch race with clockwise motion. When install properly it should not rotate counterclockwise. Install intermediate clutch retainer and snap ring.
  3. Check operation of clutch with air. See Figure. Apply air through left oil feed hole. Air applied through right oil feed hole (reverse passage) should escape through left oil feed hole.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.