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Old Jul 19, 2008 | 03:53 PM
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Default Engine whine

Ok, I am sure this is not the first time you guys have been asked about an engine whine before, its not my first engine whine either. This one has me baffled... Some times when I start up my 'camaro, I get an incredibly loud whining coming from the exhaust, you can hear it from under the hood but is much much louder from the back of the car. Once the rpms reach about 2000 it seems to go a way. I have sat and listened to it, I can hear something turn off then the sound goes away until the next time it starts. It is a loud whining sound. To me it sounds like a vacuum leak but I do not know, I have little to no experience with the LS1. Please help meh! <3 Danyelle
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Old Jul 19, 2008 | 05:53 PM
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wrong section guy. Try newbie tech just above this one.
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Old Jul 19, 2008 | 06:53 PM
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yeah, this should be moved.

but whine from the exhaust? usually whine is a pulley or belt?
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Old Jul 19, 2008 | 10:55 PM
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Sorry, hah I am newbie to the forums umm, but last time I checked Danyelle was not a guys name... lolz its not coming from the exhaust exactly thats just where it is loudest... mind you the car is not moving. Also do I move the thread or does a moderator, I am guessing a moderator. bai bai ~ Danyelle
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Old Jul 20, 2008 | 01:45 AM
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Just pretend the car is supercharged. Thats what I did with the car before this one because I could have cared less for that thing.

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Old Jul 20, 2008 | 02:37 AM
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it is an AIR pump, it is used to warm up the cats for emissions Danyelle. it shuts off after a few mins
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Old Jul 20, 2008 | 06:34 AM
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might have a check air valve that is partially plugged too. Mine whined to when on of the check air valves was getting bad. Cheap part at a parts store and very easy to change.
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Old Jul 20, 2008 | 04:55 PM
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Sounds like the air pump. Mine sucks also, it sounds like a supercharger turning on then shuting off.
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Old Jul 21, 2008 | 10:28 PM
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x2 on the AIR pump. Mine whines real loud when I turn it on too, but that's coming to an end soon.
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Old Jul 21, 2008 | 11:26 PM
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Thanks guys! <3 ~ Danyelle
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Old Jul 22, 2008 | 12:00 AM
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mine whines too.. i dont know what the hell it is. its on my DD.. i couldnt hear it if it was on my TA.. it sounds like gears.. but its not. i sometimes wish it was a procharger.. haha... it would need to be about 50 times louder though.
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