1990 Ford Tempo BaseFACTORY OEM SERVICE PROCEDURE

Distributor Overhaul: Disassembly

  1. Remove 2 TFI-IV module screws. Pull right side of module down distributor mounting flange and back up to disengage module terminals from connector in distributor base. Remove module by pulling toward flange and away from distributor.
    CAUTION: Attempting to remove ignition module without first moving entire module toward distributor flange will cause module pins to break at connector.
  2. On all models, hold gear and loosen armature screws. DO NOTΒ  hold armature. Remove screws and armature. Using a felt tip pen, mark armature and gear for installation reference. Remove and discard roll pin in gear.
  3. Place distributor in Axle Bearing Remover (T75L-1165-B). Press off gear using arbor press and Pinion Bearing Cone Remover (D79L-4621-A). Using emery cloth, remove burrs from distributor shaft. Remove shaft from distributor assembly.
  4. Remove thrust washer from distributor and save for installation. Remove screw and octane rod assembly. Save octane rod and screw for installation. Remove stator assembly screws and stator.
  5. Inspect base bushing, "O" ring, and distributor housing for wear, cracks, or other damage. If necessary, replace "O" ring. If distributor housing or bushings are worn, replace entire distributor assembly.
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:

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