1992 Saturn SL1 belt tensioner

SRE7142

MEMBER
1992 SATURN SL1
4 CYL
FWD
AUTOMATIC
104,000 MILES

I THINK THE belt tensioner has gone bed as the belt has become slack, could it be that it has slipped or dose this mean that I need to get a new one?

Tuesday, June 15th, 2010 AT 5:07 PM

3 Replies

SATURNTECH9

MECHANIC
30,869 POSTS

Just take a wrench and put it on the tensioner you will be able to tell if it is weak. From what you describe sound's like a bad tensioner. Let me know what you find.

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Tuesday, June 15th, 2010 AT 6:35 PM

SRE7142

MEMBER
2 POSTS

Yes it was the tensioner, I put a new one on and that works fine now. BUT now there is a loud knocking noise when the a/c is on but only when the car is in park or reverse, I think that something overheated and may have broken inside the cam? Any help would be great! Thanx

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Saturday, June 19th, 2010 AT 1:39 PM

SATURNTECH9

MECHANIC
30,869 POSTS

I doubt your cam is broken if it was your engine would be makng noise all the time. If it will make noise when in park with the a/c on then go under the hood and see if the tenisor is moving around. With the a/c on car in park go under the hood and rev up the engine and see if it knocks when you rev it up.I have tried aftermarket belt tenisor's and most of them knock when you excellerate.I have tried like Four differnt brands with the same result's. If it is the tenisor knocking let me know so I can recomend a tenisor to you.

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Saturday, June 19th, 2010 AT 6:15 PM