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Old 11-09-2004, 11:04 AM   #1
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Default Help... Bad tensioner, how can I tell?

Okay guys, help me out.
How much force should the tensioner be putting on the belt? How much torque is required to pull the tensioner back? I guess the basic question is - How do I know if I have a bad tensioner/ bad spring?

I have belt squeak on the SC pulley that could be a number of things, and I AM going to track down the source this weekend. I know how to check all the pulleys, and coupler. Based on all the threads I have read over the past week, I have a good idea of all the troublespots that could cause the sound. Sorry for the noob question please help.
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Old 11-14-2004, 07:38 AM   #2
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Well the Tensioner isn't bad, and I tracked down the squeak. The upper idler pulley on the SC belt is most likely the cause. It seems to wiggle about 1/16th of and inch, along with the fact that it looks almost warped slightly when turning it. This is the the third post that I feel like a complete moron after getting under the hood myself. But, lessons learned.
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Old 11-18-2004, 08:53 AM   #3
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If your pulley is squeaking....don't wait very long before you change it,....I've heard of the bearing in them heating up and self-destructing the plastic pulley while going down the highway,causing Mucho damage to under-hood components as the belt flys off.There are also metal(aluminum?) replacement pulleys available(a non-GM part,...NAPA,Autozone,Pepboys,I think) which are supposed to be better than the original........
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Old 11-18-2004, 09:51 AM   #4
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Thanks for the update. I am going to try to replace the pulley either this weekend or next. I definitely plan on getting an aluminum one.
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