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| 2004 GTP whistling noise. Now with video http://www.pontiacbonnevilleclub.com/forum/other-3800-powered-cars/topic45878.html |
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| Author: | haro1225 [ Mon Apr 13, 2015 6:17 pm ] |
| Post subject: | 2004 GTP whistling noise. Now with video |
There is a whistling noise that I can't pinpoint on my car. It happened a lot during the winter but it seemed to go away after a car wash. It hasn't done it in a while but it's back, only while the engine is running. It can be heard inside and outside the car and does not change with speed or RPMs. I have taken the access cover for the fuel pump off and it is not coming from there. It's starting to drive me crazy. I know I'm not crazy since Matt and his brother heard it too. Thoughts? |
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| Author: | nos4blood70 [ Mon Apr 13, 2015 10:38 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. |
Can you localize it even slightly? |
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| Author: | haro1225 [ Mon Apr 13, 2015 10:57 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. |
I checked around a bit more and it's on the left hand side and a bit louder underneath. I even tried to duplicate the conditions of the touchless carwash and sprayed the underside of the car and nothing changed. I did drive it a bit after work when I went to get dinner and it is intermittent now. |
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| Author: | RJolly87 [ Tue Apr 14, 2015 8:53 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. |
Possibly an evap vacuum leak? |
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| Author: | haro1225 [ Tue Apr 14, 2015 9:34 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. |
I was thinking that but now the noise has stopped, I'm sure it will be back and I'll poke around when it does and also get a video of it as well. |
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| Author: | CMNTMXR57 [ Wed Apr 15, 2015 3:56 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. |
Does it happen only upon cold startup and last for about a minute or two? If so, I'm leaning towards the electric motor for Seconday A.I.R. It's over in the left front corner. |
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| Author: | haro1225 [ Wed Apr 15, 2015 5:34 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. |
When it happens it does it no matter what while the engine is running. Cold starts, warm starts, and even during long drives. I almost thought it was the speakers and then I disconnected all of them and no change. |
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| Author: | haro1225 [ Sun Apr 19, 2015 11:34 am ] |
| Post subject: | Re: 2004 GTP whistling noise. Now with video |
I got a video of the noise. http://youtu.be/Buh5d9lbRDg |
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| Author: | Backhoe [ Fri Apr 24, 2015 7:19 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. Now with video |
I just came across a description of a similar whistling on a Monte, apparently there was a missing o-ring on the PCV. |
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| Author: | haro1225 [ Sun Apr 26, 2015 2:30 pm ] |
| Post subject: | Re: 2004 GTP whistling noise. Now with video |
I figured it out. This sounds really dumb but it was coming from the fuel lines near the filter. If they touched a certain way they made the noise. I pushed them away from each other and it stopped. |
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