A strange sound. - Pontiac GTO Forum
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post #1 of 15 (permalink) Old 02-03-2013, 02:42 AM Thread Starter
 
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A strange sound.

Lately I have been hearing what sounds like some sort of loud relay clicking, back by my rear passenger wheel, near my gas filler area maybe. Sounds like a " tic-toc...tic-toc...tic-toc. They are 2 different pitch clicks, like a relay or coil is opening and closing. I hear about 6 or seven clicks, while my car is idleing, and then it stops. I usually hear this when I have just started my car after sitting over night, or for a while. Doesn't do this every day, just once in a while. Anybody have any ideas? Im thinking maybe my fuel pump? It feels like it is coming from under the car near the wheel area. I can actually FEEL this when it happens as well as hear it, it seems. Car is running fine.

Thanks!

Giaco

Last edited by Giacobazzi; 02-03-2013 at 09:52 AM.
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post #2 of 15 (permalink) Old 02-03-2013, 03:10 AM
 
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Check your tail pipes.
One of your hangers could have broke loose. It happens to me a few times a year.
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post #3 of 15 (permalink) Old 02-03-2013, 04:23 AM Thread Starter
 
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Originally Posted by AlanSr View Post
Check your tail pipes.
One of your hangers could have broke loose. It happens to me a few times a year.
Not it, but thanks!

Giaco
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post #4 of 15 (permalink) Old 02-03-2013, 06:44 AM
 
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A strange sound

Listen to see if it's the gas door release.
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post #5 of 15 (permalink) Old 02-03-2013, 09:22 AM Thread Starter
 
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Listen to see if it's the gas door release.
That makes sense, but the gas door would be open afterwards i would think, it also has a different sound than the gas door release. To me the sound is of a larger, heavier relay then that of the gas release.

Giaco

Last edited by Giacobazzi; 02-03-2013 at 09:53 AM.
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post #6 of 15 (permalink) Old 02-03-2013, 10:24 AM
 
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If not the gas door switch how about the trunk release? There has been times where I would hit the trunk release and it would click but not open. Other than that I'm out of suggestions for you. Good luck
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post #7 of 15 (permalink) Old 02-05-2013, 04:17 AM
 
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Is this while the car is warming up? If so, part of the fuel system's evap parts are back there and it makes some weird ticking/knocking sounds while the car is warming up. Totally normal.

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post #8 of 15 (permalink) Old 02-05-2013, 10:59 PM Thread Starter
 
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Is this while the car is warming up? If so, part of the fuel system's evap parts are back there and it makes some weird ticking/knocking sounds while the car is warming up. Totally normal.
That may very well be what it is! Thank you! I'm not worried about it, but was wondering what it might be and if it is normal, or something not working properly!

Giaco
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post #9 of 15 (permalink) Old 02-06-2013, 02:53 PM
 
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I was just wondering the same thing and I have exactly the same issue. While we are on the subject of strange noises I have a metal on metal slight tapping sound that happens every time I go over a bump. Its a faint sort of rattling. Its definitely coming from the cabin and sounds like its right under the steering wheel. I was wondering if anyone else has had this happen so I dont have to go on a scavenger hunt.

Thanks,

Evan
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post #10 of 15 (permalink) Old 02-07-2013, 04:12 PM
 
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Garage
Yeah, completely normal. Mine has done that since I drove it off the showroom floor. Evap purge just cycling i believe.
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