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You have to remove the intake plenum to access.
The engine seemed to be missing/chugging when we hit around 80 - 100 km per hour and the engine light came on. This is a huge sign that you need to change your spark plugs and any bad coils.
The spark plugs are 100,000 mile plugs. You need o replace them with platinum plugs, then remove the throttle body and idle speed motor then clean them and reassemble it. There are no spark plug wires on the 3.5L engine.
engine needs to be removed
remove the coil packs on top the engine with a small tork bit then change plugs
The spark plugs are located under the each of the coil packs, 3 in the front and 3 in the rear. the 3 front ones are accessible only after removing the intake(big U shaped thing on the engine, under the engine coverunderneath upper air intake. alldatadiy.com for detailed instructions. will take the better part of an afternoon to change em
The freeze plugs are on the engine, not the transmission.
From the top you will need to remove the wiper module and have a cold engine. You can also remove the plugs from under but you will need a lift and cold engine.
There are freeze plugs on the left, right, and rear.
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I reach over and around the top of the engine to access the spark plugs.I reach over and around the top of the engine to access the spark plugs.
There are freeze plugs on the front, rear, and transmission sides of the engine.