Q: How do you release tension on a/c belt on 2004 GMC Yukon XL 1500

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I want to replace a/c drive belt on my Yukon, how do I release tension on the belt and then how do I adjust the
new belt after I replace?
(2) Answers
(1) Comments
You can find very good repair manuals with step-by-step instructions here:

The a/c belt is located behind the long main drive belt. you can get a socket and ratchet on the idler pulley bolt lift it up slack will get in the belt