Spark plug replacement on 2004 Cadillac SRX

I just had the spark plugs replaced after 41000 miles as the car did not fire when the engine turned over. The garage said that this needed certain items on the engine removed to get at the plugs. Also a cadillac gasket was needed when put back togeather. The total cost was over $600. Does this seam logical. Or is the local garage overpricing. Many thanks./ DD

by in Leesburg, VA on November 24, 2009
1 answer 1 comment
ANSWER by on November 24, 2009
The book shows 3.3 hours of labor which includes remove and replacing the intake manifold plus the platinum plugs and intake gasket needed so the cost is correct as its a big job
COMMENT by on August 19, 2012
all i did was remove the big plastic engine cover and remove the coil packs then removed each spark plug gapped them and replaced them put the coil packs back and reinstalled the engine cover no gaskets replaced
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Is it necessary to remove the upper intake manifold to replace the spark plugs? If so, how do you do this and will a gasket need to be relaced?