To locate and change the (4) spark plugs on a 2004 Hyundai 2.4L 4 cylinder engine:
Remove the (4) 12mm bolts from the decorative plastic engine cover.
Remove plastic cover from engine and place it off to the side out of
your way.
Standing in front of the car, the (4) spark plugs are located
laterally (left to right) in the recessed area underneath where the
plastic engine cover was removed.
Note: This engine has (2) coils....They are located above spark plugs number (2) and (3) from left to right.
Starting with the fist spark plug on the left: Remove the spark
plug cable by pulling straight up on the insulated connector. Using a
spark plug socket, remove the old spark plug and install a new one in
it's place.
To access the second spark plug from the left, remove the
electrical connector and the spark plug cable wire from coil number (1)
and then remove the (2) 12mm bolts that secure the coil to the engine.
Spark plug number (2) is located directly under the coil. Lift the coil
straight up removing the insulated connector from spark plug number
(2). Using a spark plug socket, remove old spark and install a new one
in it's place.
Repeat same procedures for spark plugs number (3) and (4).
Note: If you have the (6) cylinder engine, the front (3) sparks
pluge are readilly accessible but in order to access the (3) rear spark
plugs, you will have to remove the intake manifold.
please rate!
SOURCE: 2005 Hyundai Sonata cranks, no spark
usually the distributor MODULE
they are renound for this sort of drama
get the wiring checked aswell as it may be due to faulty charging & causing computor errors [I hope you didnt short out the battery when you changed it!!!! ]
SOURCE: how to change the sparks plugs on a 2005
No you do not need to change or replace a head gasket. changing plugs it very easy, Its not that hard, I recommend in the near future if you planning to work on your own vehicle is to go pick up a Haynes auto repair manuel at any auto part store pertaining to your vehicle and it will give you step by step with picture all the info's needed to do the job correctly. you going to need ratchet with deep socket or spark plugs socket set with long extension to remove the plugs. You going have to remove the engine cover to get to the plugs. if V6, its going to be a bit of pain more plugs, counter clock wise to remove and clock wise to tighten. Just don't toque the plug too tight, when replacing the plugs make sure you hand screw new plug using the wrench extension to hand tight the plug first so you don't mess up the thread of the engine head. If you need more advice while doing the job, don't be afraid to ask your neighbor, 99% they them self have change spark plugs at one time or another. good luck....hope that help some
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