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Old 01-13-2012, 09:15 PM   #1
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Belt Shriek Issue.. getting worse

Hey I'm really new here but I got an issue and would love some opinions. 2003 SVT ZX5 105xxxk on her. Occasionaly when I start her up and pull out off my drive I hear a belt shriek then it stops. Lately its been doing it now at stop signs. Brake push the clutch in and as soon as the rpms drop off the belt starts but it usually doesnt last long.

Tonight driving back from getting gas I spotted some white tail crossing the road way off (love these bright lights). As I slowed to a stop in front of them the belt shriek kicked in hard. Must have been really loud cause one of the deer stopped in the middle of the road and jumped backwards back into the ditch...... It didnt stop until about a mile down the road and when it did I noticed the fans blowing heat into the cabin had almost stopped turning and the interior lights on the gauges had dimmed during all the shrieking. Once it stopped everything was back to normal. Sorry this is so long, is the belt loose/worn?


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Old 01-13-2012, 09:26 PM   #2
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The belt is stretched or the tensioner is worn and isn't applying enough pressure. It's probably the belt, especially if it's the original one.
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Old 01-13-2012, 11:15 PM   #3
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Mine was doing the same thing recently, changed the belt and its fine now.
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Old 01-15-2012, 08:22 AM   #4
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Quote:
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Mine was doing the same thing recently, changed the belt and its fine now.
should i change the tensioner while the mechanic is down there?
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Old 01-15-2012, 11:08 AM   #5
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if its in bad shape, yes.

and since youre asking what this particular squeal is, I would HIGHLY!!!!! recommend having your t-belt swapped. this is an interference engine and it NEEDS to be done with 105k miles on it unless you enjoy replacing valves and possibly pistons.
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Old 01-15-2012, 08:00 PM   #6
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deffinetly the tensioner
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Old 01-15-2012, 08:05 PM   #7
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if its in bad shape, yes.

and since youre asking what this particular squeal is, I would HIGHLY!!!!! recommend having your t-belt swapped. this is an interference engine and it NEEDS to be done with 105k miles on it unless you enjoy replacing valves and possibly pistons.
As awful and blasphemous as this sounds the timing belt, t-belt tensioner, serpetine belt, s-belt tensioner, and any pulleys, will not be done soon cause i dont yet have the money...........
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Old 01-15-2012, 08:20 PM   #8
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should i change the tensioner while the mechanic is down there?
I changed the tensioner and the idler pulley when I did the accessory belt but it was the belt that made the squeal go away (I tried it with the old belt first and it still squealed) It cost me less than $75 to change all 3
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Old 01-16-2012, 04:32 AM   #9
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It's not difficult to change the accessory belt yourself. But at 103xxx miles, you REALLY need to start thinking about changing that timing belt, unless you know for sure it has been changed. It's that crucial. Cost me $1400 in parts and machine work when my t-belt broke. I did the labor. Pay a little now or alot later. Neither kit is too expensive. And if you have it done make sure they know what they're doing. My Ford stealership didn't have a clue. So I bought a shop manual and did it myself.
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Old 01-16-2012, 10:41 AM   #10
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I had the same problem around 122k. I first changed the the Serpentine belt and the noise got worse. I also noticed that the Belt Tensioner was weak and had to much play. I replaced the Belt Tensioner and felt an immediate change!
My initial problem was the noise, and upon initial takeoff at low speeds the engine seemed to lack power.
Now with the new Serpentine Belt and Belt Tensioner the noise is gone and I really feel the engines power even at very low speeds.
I did all the labor myself but the parts all together cost no more than $100! and it was very easy to change both the Serpentine Belt and Belt Tensioner.
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