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My wife's 2002 Subaru Outback (the Legacy body) has approximately 100K miles on the odometer. Under acceleration, I'm hearing a sound like a possible failing belt tensioner. It's a very distinct cyclic high-pitched squeak that isn't apparent under idle.

My intent is to try fine-tuning the tension to see if it's just a hair off but, if that doesn't reduce the squeak, I may have to replace it. What is the procedure for replacing the tensioner pulley?

EDIT: some time later - see the comment on Larry's answer - it was a dying belt, not a bad pulley.

Bob Cross
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1 Answers1

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If you have the 6 cylinder you can check the status of the belt as indicated below, if it's at the service limit you should replace the belt.

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