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Old 03-07-2006, 07:45 PM   #11
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sorry for the pic, but once it started, i wanted to make sure that the sound came thru, so i tried to get as close to the sound as possible. is that the consensus then? the ELC Compressor? i want to take it in to the dealership [its under warranty] and get them to fix it, as its my contention that my car should not be making that noise.
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Old 03-07-2006, 07:47 PM   #12
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Quote:
Originally Posted by jwakamud
sorry for the pic, but once it started, i wanted to make sure that the sound came thru, so i tried to get as close to the sound as possible. is that the consensus then? the ELC Compressor? i want to take it in to the dealership [its under warranty] and get them to fix it, as its my contention that my car should not be making that noise.
the noise is normal, it should make that noise 30sec after the key is on to make sure that there is air in the system. ALL NORMAL unless it runs constantly
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Old 03-07-2006, 07:51 PM   #13
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grumble grumble. oh well, good to know. ill stop buggin the dealership to fix it then. should it be making that noise up front too? theres a similar one coming from behind the glovebox [at random intervals, probably unconnected]. ill try to get a vid of it whenever i can catch it.
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Old 03-07-2006, 07:53 PM   #14
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Quote:
Originally Posted by jwakamud
grumble grumble. oh well, good to know. ill stop buggin the dealership to fix it then. should it be making that noise up front too? theres a similar one coming from behind the glovebox [at random intervals, probably unconnected]. ill try to get a vid of it whenever i can catch it.
the glovebox should not be making noise.... that could be something of concern
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Old 03-07-2006, 08:49 PM   #15
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is ur blower motor on when it does that?
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Old 03-07-2006, 09:21 PM   #16
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glovebox: doesnt seem to matter - tomorrow im going to try to recreate it. thinking about when i usually hear it, its when im driving in the city w/ a/c on.
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Old 03-08-2006, 08:55 PM   #17
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I believe that sounds like the ELC compressor... You may hear a click on and off inside the car for the ELC Relay... Not sure if you have a problem...

Does it run all of the time or for a brief amount of time...?

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Old 03-08-2006, 10:49 PM   #18
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GAH! Mine does that exact same thing too. I was just going to ignore it because it wasn't causing any problems.

It happens right after it is started up...usually in the morning after it'* been sitting for a while. Doesn't last more then 30 seconds. One morning I started it and my dad was shoveling snow behind the car. He asked me WTF my car was doing.

The noise comes from the rear end of the car too.
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Old 03-08-2006, 11:00 PM   #19
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Quote:
Originally Posted by captainmiller
GAH! Mine does that exact same thing too. I was just going to ignore it because it wasn't causing any problems.

It happens right after it is started up...usually in the morning after it'* been sitting for a while. Doesn't last more then 30 seconds. One morning I started it and my dad was shoveling snow behind the car. He asked me WTF my car was doing.

The noise comes from the rear end of the car too.
I believe in 96 GM started placing the ELC pump underneath the rear of the car.. So the pump noise will come from the back... In the 87-95 bonnies with ELC the pump is under the hood... But you should hear that relay cycle when you turn the ignition on( generally after 30 seconds it should run )... On the older Bonnies you can feel the ELC pump when it turns on..lol

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Old 03-08-2006, 11:43 PM   #20
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yup 96 was the frist year that the pump was behind the passenger side rear wheel well
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