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 MANUALSDODGE AND RAM2005MAGNUM V6-2.7L VIN RREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGSERVICE AND REPAIR
2005 Dodge and Ram Magnum V6-2.7L VIN R
Spark Plug: Service and Repair
2005 Dodge and Ram Magnum V6-2.7L VIN RSECTION Service and Repair
REMOVAL
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.
1. Disconnect the negative battery cable.
2. Remove the intake manifold.
3. Prior to removing the ignition coils, spray compressed air around the coil area and spark plug or contaminates from spark plug tube.
On 3.5L engines, it is necessary to loosen the screws by alternating back and forth. Do not lose the spacers under the coil when loosening the screws.
4. Remove the ignitions coil.
5. Remove the spark plug using a quality socket with a rubber or foam insert.
6. Inspect the spark plug condition.
INSTALLATION
1. To avoid cross threading, start the spark plug into the cylinder head by hand.
2. Tighten spark plugs. Tighten to 17 N.m (12.5 ft. lbs.).
3. Install ignition coil assembly onto spark plug.
4. Hand tighten coil screws.
5. Tighten ignition coil screws to 6.7 N.m (60 in.lbs.).
6. Connect and lock the electrical connector.
7. Install the intake manifold.
8. Connect the negative battery cable.
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.
1. Disconnect the negative battery cable.
2. Remove the intake manifold.
3. Prior to removing the ignition coils, spray compressed air around the coil area and spark plug or contaminates from spark plug tube.
On 3.5L engines, it is necessary to loosen the screws by alternating back and forth. Do not lose the spacers under the coil when loosening the screws.
4. Remove the ignitions coil.
5. Remove the spark plug using a quality socket with a rubber or foam insert.
6. Inspect the spark plug condition.
INSTALLATION
1. To avoid cross threading, start the spark plug into the cylinder head by hand.
2. Tighten spark plugs. Tighten to 17 N.m (12.5 ft. lbs.).
3. Install ignition coil assembly onto spark plug.
4. Hand tighten coil screws.
5. Tighten ignition coil screws to 6.7 N.m (60 in.lbs.).
6. Connect and lock the electrical connector.
7. Install the intake manifold.
8. Connect the negative battery cable.
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.