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Changing Spark plugs and coils

(2004 Buick Rainier)
in Lynn Haven, FL on March 02, 2010
Changing the spark plugs and boots on a 2004 Buick Rainier 4.2 Liter straight 6. Need to know how to get to the last two spark plugs. Also, how to get the coil into the boot without overforcing it.
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Popular Answer
on March 04, 2010
There should be enough room under the windshield cowl to access the back two spark plugs. You will need the correct length extension to make it work. As far as I know you cannot replace only the coil boot - the coil and boot come together as one piece.
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