same way as you replace the front three. You may need to move 1 or 2 components to access them, and you will probably need an extention and universal joint, or wobble joint.
BuRN
how to change spark plugs on a 97 mercury mountaineer
The spark plugs on a 1999 Mercury Cougar are located under the cover of the engine. The spark plugs should be changed approximately every 60,000 miles.
The spark plugs on a 1999 Mercury Cougar are located under the cover of the engine. The spark plugs should be changed approximately every 60,000 miles or so.
Not to be course, but if you cannot find the spark plugs, then you have no business trying to replace them. You do not have the knowledge or skill to perform this repair.
take off intake and have small fingers
The spark plugs are actually located under the manifold on the top of the engine 3 in front and 3 in back....
According to one of Fords websites : For the 1992 Mercury Cougar , 3.8 liter V6 engine : ( the spark plugs are gapped at .054 inch )
According to one of the Ford websites : For a 1988 Mercury Cougar , 3.8 liter V6 engine : ( the spark plugs are gapped at .054 inch )
According to one of Fords websites : For the 3.8 liter V6 engine in a 1988 Mercury Cougar : ( the spark plugs are gapped at .054 inch )
.040 ========================================================== According to one of Fords websites : For a 1993 Mercury Cougar : The 3.8 liter V6 engine and the 5.0 , V8 have spark plugs gapped at : ( .054 inch )
Remove the spark plug wires from your 2002 Mercury Grand Marquis spark plugs. Remove the spark plugs by turning them to the left with a deep well 5/8 socket. Reverse the process to install the new spark plugs.