They come from the factory with platnium plugs. The factory recomends changing every 100,000 miles
First of all you can get to the first 3 plugs very easily. The other three you have to take off the plenum (be sure to replace the old plenum gasket)
Every 60,000 miles.
You have to remove the upper intake manifold.
No.
You have to remove the upper intake.
You should replace the spark plugs when your car won't start first time but does eventually.
The Sebring is a Chrysler product. Replace the crankshaft position sensor before beginning any diagnosis.
Remove the spark plugs with a 5/8 deep well socket. Turn the socket to the left. Tighten the new spark plugs by turning socket to the right.
number #1 spark plug is located (if u are looking under hood) right side first one closest to you. NOTE* TO REPLACE SPARK PLUGS ON A CHRYSLER 3.5 LITER V-6 YOU MUST ALSO REPLACE UPPER PLENTIUM GASKET!!!!
My Chrysler 300 SRT8 with a 5.7 Hemi has 16 spark plugs
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.
Spark plugs, yes. Points, no.