Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (ENGINE CONTROLS - REMOVE/INSTALL/OVERHAUL)IGNITION SYSTEMDISTRIBUTOR OVERHAULDISASSEMBLY
1991 Mercury Tracer Base, 4D Sedan, Automatic
Distributor Overhaul: Disassembly
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Disassembly
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.
- On models with distributor mounted ICM, remove 2 module screws. Pull right side of module down and back up distributor mounting flange 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 break module pins at connector.
- On all models, hold gear, and loosen shaft screws. DO NOT hold shaft. Remove screws and shaft. Using a felt-tip pen, mark shaft and gear for installation reference. Remove and discard roll pin in gear.
- Place distributor in Axle Bearing Remover (T75L-1165-B). Press off gear using arbor press and Pinion Bearing Cone Remover (D79L-4621-A). Remove shaft. Using emery cloth, remove burrs from distributor shaft. Remove shaft from distributor assembly. See Fig 1 or Fig 2.
- Remove thrust washer from distributor (if equipped), and save for installation. Remove screw and octane rod assembly (if equipped). Remove stator assembly screws and stator.
- 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.
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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.