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HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (ENGINE CONTROLS - REMOVE/INSTALL/OVERHAUL)IGNITION SYSTEMDISTRIBUTOR OVERHAULREASSEMBLY
1991 Mercury Tracer Base, 4D Sedan, Automatic

Distributor Overhaul: Reassembly

1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Reassembly
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1994 Mercury Tracer, 1994 Mercury Topaz, 1994 Mercury Sable, 1994 Mercury Grand Marquis, and 1994 Mercury Cougar. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place stator assembly over bushing, and press down to seat. Place stator connector in position. Tab should fit in notch of base, and fastening eyelets should align with screw holes. Position wires away from moving parts. Install and tighten stator screws.
  2. On models with distributor mounted ICM, install octane rod through distributor base hole. Place end of rod onto same post as original stator. Install and tighten octane rod screw. On all models, lubricate distributor shaft, with light oil. DO NOT over lubricate.
  3. Install shaft through base bushing. Place a 1/2" deep well socket over shaft, invert assembly and place in arbor press. Place thrust washer (if equipped) and distributor drive gear on shaft. Align marks made during removal.
  4. Place a 5/8" deep well socket over shaft and gear. Press gear until holes align with holes in shaft. If holes do not line up, press gear off and try again. DO NOT try to align holes using a drift or roll pin. Insert new roll pin through gear and shaft.
  5. If armature has been removed, install armature. Tighten screws. Check distributor for freedom of rotation. If armature contacts stator, replace distributor. On models with distributor mounted ICM, clean back of module and distributor contact plate.
  6. Apply Silicone Dielectric Compound (D7AZ-19A331-A) to back of module, and spread evenly. Invert distributor base so stator connector is in full view. Insert module.
  7. Ensure module pins are inserted into stator connector. Fully seat module into connector and against base. Install and tighten module screws.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • 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.