Question about 2004 Hyundai XG350
They are down in the valve cover might have coils bolted over them the back 3 you cant get without removing the intake plenum thats why the dealer gets 500.00 dollars for a tuneup hope this helps
Posted on Oct 11, 2010
When you remove the engine cover (six 10mm bolts), you will see three of the coil packs mentioned by egcivic9390 at the front side of the engine. Each cover has two bolts (also 10mm), which are easy to access and remove. There is a rubber boot under each pack, and the plugs are under the boots.
Each front coil pack has a cable, which runs toward the back (firewall side) of the engine, to the remaining three plugs. This is where it gets time consuming and difficult. The cables run under the manifold, and the other three plugs are NOT accessible without removing it.
I purchased plugs and cables (the cables sold as a 4-part kit, 3 wires in one box and 3 boots sold separately) before removing the engine cover. After removing the front coils packs and inspecting the plugs, I closed everything up and decided to refer this project to a qualified mechanic. Unless you are familiar with and comfortable with the removal of a manifold, including several cable harnesses and brackets, I recommend the same course of action.
Posted on Dec 10, 2013
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Posted on Jan 02, 2017
Welcome to fixya.
Under the vehicle at the left front corner of the fuel tank.
If you need anything or schematics go to www.collisionrepairadvice.com
Posted on Aug 10, 2009
is located over the cylinder head.theres no difficultyto replace them your self. recommend replacing them when the engine is cooled down because you could damage the spark plug thread when the engine is hot. all you have to remove is the ignition coil housing to replace them and there you will see the spark plugs.
Posted on Feb 26, 2010
the spark plugs are located under the coil packs they have one or two bolts holding each one in. you have six cylinder so there should be six coil packs three facing you when you pop hood and three more located towards the back. let me know if you have any other questions.
Posted on Jul 02, 2010
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