The gas engines use one per cylinder.
What distributes power to spark plugs on 2002 jeep liberty
It is moderately easy to change the spark plugs on a Liberty, although it is rather tricky because of the gap between the spark plugs.
Use what ever Jeep built it with.
60,000 miles.
On the gas engines, one per cylinder. Zero on the diesel.
i WORK IN AN AUTO PARTS STORE AND WITHOUT A DOUBT THE BEST SPARK PLUGS TO USE FOR THE JEEP LIBERTY WOULD BE NGK BUT...THE ORIGINAL EQUIPTMENT IS CHAMPION.
30,000 miles is recommended for spark plug replacement on all Chrysler/Jeep vehicles, not just the Jeep Liberty. Not only are plugs recommended at 30,000 miles, shock absorbers are recommended as well. As a mechanic for the Chrysler/Jeep Corp., i can say with confidence that it is not entirely necessary to change plugs and shocks at the 30k mile mark. Basically, "If it ain't broke, don't fix it!" (however, i do recommend at least checking the plugs at 30,000 miles)
There are 6 spark plugs on a 3.7 liter. They are located on the outside perimeter of the intake manifold and under the coil pack for each cylinder.
passenger side 2-4-6 driver side 1-3-5
How to replace spark plugs in a 1989 jeep cherokee?
They should not need changing until 90,000 miles.
The Jeep 5.7L V8 HEMI engine has 16 spark plugs (2 for each cylinder)