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 MANUALSMERCURY1989GRAND MARQUIS GSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEM - TFI-IVREMOVAL & INSTALLATIONSTATORREMOVAL (ALL OTHERS)
1989 Mercury Grand Marquis GS
Removal (All Others)
1989 Mercury Grand Marquis GSSECTION Removal (All Others)
- Remove distributor from engine. On all except Continental, remove screws and TFI ignition module from distributor. See TFI IGNITION MODULE REMOVAL & INSTALLATION (ALL OTHERS). Wipe grease from base and module to keep surfaces free of dirt.
- On all models, hold gear and loosen armature screws, DO NOT 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.
- 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.
- Remove thrust washer from distributor and save for installation. See Fig 1. Remove screw and octane rod assembly. Save octane rod and screw for installation. Remove stator assembly screws and stator. Save screws for installation.
- 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.
RENDER: 1.0x
NO RELATED
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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.