Question about 2004 Chevrolet Malibu
On 2.4 engines, remove the 4 bolts on the ignition coil cover, on top of engine.pull straight up to release boots from sparkplugs. all 4 cylinders are about the same..
Posted on Oct 30, 2009
Open the hood. Look down in front of the radiator, find the exhaust manifold and you will see 3 black spark plug wires leading to the sparkplugs. They are just below the valve cover. 3 More below the valve cover on the firewall side of the engine as well.
Posted on Jun 21, 2009
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Posted on Jan 02, 2017
Search for the engine model ECOTec 2.2 rather then Malibu. It is very easy to replace the plugs, they are DEEP inside the engine so you will need a 6" socket extension for the spark plug socket. Needle nose pliers were required to retrieve the socket on the first plug. Don't push down hard on the plug, just enough to engage the nut. Full screen photo sequence is available at:
Posted on Aug 09, 2009
Allow the engine to cool before removing the spark plugs. Attempting to remove spark plugs from a hot engine can cause the spark plugs to seize. This can damage the cylinder head threads. Clean the spark plug recess area before removing the spark plug. Failure to do so can result in engine damage due to dirt or foreign material entering the cylinder head, or in contamination of the cylinder head threads. Contaminated threads may prevent proper seating of the new spark plug. Use only the spark plugs specified for use in the vehicle. Do not install spark plugs that are either hotter or colder than those specified for the vehicle. Installing spark plugs of another type can severely damage the engine.
WARNING Do not coat spark plug threads with anti-seize compound. If anti-seize compound is used and spark plugs are over-torqued, damage to the cylinder head threads may result.
Posted on Oct 07, 2009
Testimonial: "Thanks for the help, it was easy to change out the plugs with your info."
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