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Old 02-09-2009, 10:49 AM
jcyuhn jcyuhn is offline
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Join Date: Jun 2000
Location: Plano, TX
Posts: 2,527
Sounds like the tensioner is shot. The tensioner consists of an idler pulley on a spring loaded arm. The adjusting bolt rotates the entire body of the tensioner, giving the ability to vary where the arm is in its arc, hence the tension applied to the belt. It doesn't work if you don't loosen the 10mm allen that locks the tensioner in place. Don't ask how I know this.

Most likely the spring has died, so the arm isn't applying any force no matter where you set the adjuster. Replacement isn't too bad - remove the radiator shroud, fan & clutch, belt, and pulleys from the water pump and PS pump. The tensioner has 3 bolts plus the aforementioned 10mm allen holding it in place. One of the bolts is nutted behind the ps pump and is a bit fiddly.

- JimY
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