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 MANUALSLINCOLN2011MKZ AWD V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION COILSERVICE AND REPAIRIGNITION COIL-ON-PLUG
2011 Lincoln MKZ AWD V6-3.5L
Ignition Coil-On-Plug
2011 Lincoln MKZ AWD V6-3.5LSECTION Ignition Coil-On-Plug
Ignition Coil-On-Plug
Removal and Installation
LH side
1. Disconnect the crankcase ventilation tube-to-valve cover quick connect coupling and position aside. For additional information, refer to Fuel System - General Information Quick Connect Coupling.
RH side
2. NOTE: The upper intake manifold must be removed to access the RH ignition coil-on-plugs.
Remove the upper intake manifold. For additional information, refer to Engine - 3.5L Upper Intake Manifold.
Both sides
3. Disconnect the 6 ignition coil-on-plug electrical connectors.
4. NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.
Remove the 6 bolts and the 6 ignition coil-on-plugs.
- To install, tighten to 7 Nm (62 lb-in).
5. 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.
6. 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
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.