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 MANUALSMERCURY1991COUGAR LS, 3.8 4REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEREMOVE, OVERHAUL & INSTALLENGINE CONTROLS - REMOVE/INSTALL/OVERHAULDISTRIBUTORREMOVAL
1991 Mercury Cougar LS, 3.8 4
Engine Controls - Remove/Install/Overhaul: Distributor: Removal
1991 Mercury Cougar LS, 3.8 4SECTION Removal
- Remove high tension lead and distributor cap. Align timing marks on TDC of compression stroke. Disconnect distributor wiring from harness. Note direction rotor points, and mark distributor base for installation reference.
- On 2.2L non-turbo, mark and disconnect 2 vacuum lines from distributor diaphragm. On all models, remove distributor hold-down bolt(s) and clamp. Some engines may be equipped with a security-type distributor hold-down bolt.
- If necessary, use Distributor Hold-Down Wrench (T82L-12270-A) to remove bolt. Remove distributor. To install, reverse removal procedure. Set base ignition timing. See the ADJUSTMENTS article in this section.
RENDER: 1.0x
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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.