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.
2005 Chrysler Pacifica LimitedFACTORY OEM SERVICE PROCEDURE
Spark Plug: Installation: 3.5L
- To avoid cross threading, start the spark plug into the cylinder head by hand.
- Tighten spark plugs to 17 N.m (13 ft. lbs.). See Fig 1.
- Install ignition coil assembly onto spark plug. See Fig 2.
- Hand tighten coil screws and tighten to 6.7 N.m (60 in. lbs.).
- Connect and lock the electrical connector.
- Front Plugs - Install the intake manifold. Refer to INTAKE MANIFOLD .
- Connect the negative battery cable.
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.