1984 Chevrolet Chevette CS, 2D Hatchback, 1.6 C, Standard, MB4FACTORY OEM SERVICE PROCEDURE

Distributor Disassembly

  1. Disconnect wiring harness from distributor cap. Disconnect coil connectors from cap. Remove distributor cap and disconnect vacuum hose from vacuum advance mechanism.
  2. Mark rotor position to distributor housing and distributor housing to engine for later reassembly reference. Remove hold-down bolt and remove distributor housing from engine.
  3. Remove rotor, two advance springs, weight retainer and advance weights. Mark distributor shaft and gear so they may be assembled in same position. Drive out roll pin from drive gear while supporting gear so no damage will occur to distributor shaft. Remove gear, shim and tanged washer from distributor shaft and clean any burrs from shaft. Remove fuel pump. Remove distributor shaft from housing.
    NOTE: Do not attempt to service shaft bushings in housing.
  4. Remove 2 attaching screws holding module to housing and position module so pick-up coil leads can be removed. Remove electronic module. Remove snap ring from housing and lift out pick-up coil assembly. Remove 2 attaching screws and lift out vacuum advance mechanism.
Factory Service Tools

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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.

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