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 MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1258 (ENGINE IGNITION SYSTEM - 3.5L)REMOVAL AND INSTALLATIONIGNITION COIL-ON-PLUGREMOVAL AND INSTALLATION

2005 Ford Taurus SEL, 4D Sedan

Removal and Installation

2005 Ford Taurus SEL, 4D SedanSECTION Removal and Installation

WARNING: This page is about a different car, the 2010 Lincoln MKZ and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

LH side

Disconnect the crankcase ventilation tube-to-valve cover quick connect coupling and position aside. For additional information, refer to QUICK CONNECT COUPLING .
RH side
Remove the upper intake manifold. For additional information, refer to REMOVAL AND INSTALLATION .
NOTE: The upper intake manifold must be removed to access the RH ignition coil-on-plugs.

Both sides
Disconnect the 6 ignition coil-on-plug electrical connectors.
Remove the 6 bolts and the 6 ignition coil-on-plugs.
NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.
- To install, tighten to 7 Nm (62 lb-in).
Inspect the coil seals for rips, nicks or tears. Remove and discard any damaged coil seals.
- To install, slide the new coil seal onto the coil until it is fully seated at the top of the coil.
Fig 1: Locating Coil Seal
Courtesy of FORD MOTOR CO.
To install, reverse the removal procedure.
- Apply a small amount of dielectric grease to the inside of the ignition coil-on-plug boots before attaching to the spark plugs.

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.