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The tensioner is automatic- no adjustment needed, or required.

Tim is correct, if the belt is loose it means it is worn out, Replace it.

I cut the key off a 3/8 ratchet and welded it onto a piece of 1/4 flat steel stock 1" wide by 8" long, it was the only way I could fit a tool in there

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โˆ™ 2015-07-16 19:21:52
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Q: How do you tighten the belt tensioner on a 2000 Mercury Cougar and what kind of special tool do you need?
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