Does Jeep Liberty 2002 have a timing belt? on 2002 Jeep Liberty

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If it does,when does it have to be replaced?
(3) Answers
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This engine definitely has a timing chain and Matte is right it isn't a maintainence item.
I believe that the Liberties have timing chains, which are not regular maintenance items and do not have to be replaced at a regular interval.
how do you set the timing on a 2002 jeep liberty with a 3.7 in it