Question about 2003 Hummer H2
When you open the hood on your H2 the is a cover over the top of the motor. to remove it you have to remove the oil filler cap and pull out the dip stick. when those are removed you should be able to remove the cover by pulling up on the front edge. after that is out of the way the ignition coils are right on top of the spark plugs and are usually held in with 2 bolts per each coil pack. unbolt the coil pack and pull on the coil and it should pull out of the hole( may be stubborn) them find out what size the plugs are and the plugs are in the bottom of the hole
Posted on Nov 18, 2009
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Posted on Jan 02, 2017
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