Jeep Liberty

Why does Jeep recommend to change the spark plugs on a 2005 Jeep Liberty at only 30000 miles?

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Wiki User
2007-10-24 21:53:14

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)


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