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.
2011 Chrysler 300 Base, GasFACTORY OEM SERVICE PROCEDURE
Spark Plug: Removal: 5.7L
- Disconnect and isolate the negative battery cable (1).
- Lift the engine cover retaining grommets off the ball studs and remove the engine cover (1).
- Disconnect the electrical connector (1) by depressing the tab while pulling the electrical connector from the coil.
- Remove the two coil retaining bolts (3).CAUTION:
Prior to removing the spark plugs, use compressed air to remove any accumulated dirt and debris. If dirt and debris enter the engine, this may cause internal engine damage.
Factory Service Tools
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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.