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.
2000 Chrysler LHSFACTORY OEM SERVICE PROCEDURE
Spark Plug: Installation
WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
Always remove the ignition coil assembly by grasping at the spark plug boot, turning the assembly 1/2 turn and pulling straight back in a steady motion.
- To avoid cross threading, start the spark plug into the cylinder head by hand.
- 3.5L engines tighten spark plugs to 28 N.m (20 ft. lbs.) torque, 2.7L engine tighten spark plugs to 17.6 N.m (13 ft. lbs.).
- Install ignition coil assembly onto spark plug.
- Install coil screws and tighten: 2.7L engine to 6.2 N.m (55 in.lbs.), 3.5L engines to 6.7 N.m (60 in.lbs.).
- Connect the electrical connector.
Factory Service Tools
Use the Manual With the Right Hardware
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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.