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Old 04-13-2006, 05:33 PM   #1
TXTABBY
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1994 SL2
Question SL2 Belt Tensioner Pully

I was looking for a rattle at acceleration (from a stop, AC on) and saw the bolt on my belt tensioner pully doing a dance, up and down. It wasn't turning/loosening and the pully itself looked rock-solid as it was turning. Take it in and have the pully tightened/replaced?
I read up on how to change the tensioner...I don't have any jackstands yet to get underneath and fix it otherwise I would...thanks.

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Old 04-13-2006, 06:35 PM   #2
katarn444
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Default Re: SL2 Belt Tensioner Pully

You should be able to tighten it from the top. Both the idler and tensioner pulleys can be pulled from the top.

K

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Old 04-14-2006, 12:24 AM   #3
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Default Re: SL2 Belt Tensioner Pully

Assuming that you mean the pulley bolt and not the tensioner hold down bolts. The tension (pulley) will normally have some movement up and down with the engine running. If the spring is weak though it can dance enough to cause a noise.
Engine running CAREFULLY take a long screwdriver or pry bar and place the end of it on the pulley bolt. Push down and see if the noise changes or goes away with the dampening pressure of the bar on the pulley.

Don't get mutilated doing this.

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Old 04-14-2006, 06:35 AM   #4
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Default Re: SL2 Belt Tensioner Pully

NO KIDDING! I'll try it, but am almost positive it's the pulley bolt. As I said above, the pulley itself is "rock-solid" as its turning, meaning it's not doing the "dance", but the bolt itself is jumping up and down some. Sears has a sale so I'm going to pick up a set of metric ratcheting box-end wrenches and some jack stands today.
Gotta start doing more of the routine maintenance myself...

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Old 04-14-2006, 09:45 AM   #5
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Default Re: SL2 Belt Tensioner Pully

As I'm sure that the following is well known, but just to remind, the bolt holding down the pulley component of the tensioner unit, tightens by turning it counter-clockwise.

With this in mind, usually the accessory belt riding on the pulley itself, thus, usually results in the bolt not working itself loose.

BTW, not that it needs it, but I can confirm S Siscarman's commentary regards:
Quote:
Engine running CAREFULLY take a long screwdriver or pry bar and place the end of it on the pulley bolt. Push down and see if the noise changes or goes away with the dampening pressure of the bar on the pulley.
, for I did that very procedure just last weekend.

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Old 04-14-2006, 11:29 AM   #6
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Default Re: SL2 Belt Tensioner Pully

Just took another look at it...and I'll still see if it needs tightening, but yea, kinda hard to understand how something that's running in the same direction to tighten it can loosen up. I did the above procedure and no change. Now, off to Sears...

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