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  • #1

    NEW bigger Problem!!

    So i was driving around today and i hear a loud squeal coming from the rear. At first i thought it was my rear speakers. I got home and i could hear it coming from under the car. So i poke my head under and it seems like its coming from the drivers side rear. I shut the car off and when i go to start it. Right before i turn the car on i heard what sounded like an "air leak"?

    I have no idea what this could be. Any help narrowing it down? I just replaced my fuel filter could i have loosened something up? I checked around the filter and NO GAS.

    Definitely need some help!! I just hope its not the fuel pump!!


    LS6 cam, LS6 valve springs, built tranny w/ 3k vigilante converter, 160 t-stat, SLP exhaust and headers, HAL suspension and go-fast juice



    Tags: 243, wiring harness
  • #2
    loudmouth exhaust?
    the air pump used to cause a loud noise like that with my loudmouth

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    • #3
      As much as I hate to say it, it could be the pump going out. Does it just happen for a few seconds when you turn the key to "ON" then go away?
      1999 Camaro - 6 liters of fury.....

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      • #4
        YUP it will do it for a few seconds then stop. It will whine when i'm driving but go away when i accelerate.

        How much am i looking at to have this replaced? If i do replace it should i go OEM or upgrade? Can i drive it like it is? Or am i taken a risk drivin' it?

        Yes i do have LM's but it has never done this before. I was leaning toward the pump but was hoping it could be something else!!
        Last edited by GOR1LA; April 24th, 2009, 06:45 PM.


        LS6 cam, LS6 valve springs, built tranny w/ 3k vigilante converter, 160 t-stat, SLP exhaust and headers, HAL suspension and go-fast juice



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        • #5
          If it goes away after a few seconds with the car off and then is continuous when the car is running its the pump.

          1999 Pontiac Trans Am - LS1 - M6 - ITSSLOW - 12.998@109.59 - SOLD
          1994 Chevrolet Camaro           - 3.4L - M5 - ITSSLWR - 16.558@85.38
          2003 Chevrolet Blazer
          2005 Yamaha R6
          2001 Yamaha YZ426F

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          • #6
            TOM you always bring bad news!!!

            Replace it OEM or should i upgrade to a walbro 255?

            Can i drive it or am i on borrowed time?

            Roughly whats the cost am i looking at?
            Last edited by GOR1LA; April 24th, 2009, 07:35 PM.


            LS6 cam, LS6 valve springs, built tranny w/ 3k vigilante converter, 160 t-stat, SLP exhaust and headers, HAL suspension and go-fast juice



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            • #7
              Originally posted by itsslow View Post
              if it goes away after a few seconds with the car off and then is continuous when the car is running its the pump.

              13th!!! Annual Michigan FBody Meet & Greet Car Show 2017
              June 10th, 2017 - 9am to 3pm!!!
              Bakers of Milford, Milford, MI


              Classics only cost alot if you add up what you spend!
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              "The winner ain't the one with the fastest car, it's the one who refuses to lose."
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              • #8
                oh yeah and go performance a/m

                13th!!! Annual Michigan FBody Meet & Greet Car Show 2017
                June 10th, 2017 - 9am to 3pm!!!
                Bakers of Milford, Milford, MI


                Classics only cost alot if you add up what you spend!
                sigpic

                "The winner ain't the one with the fastest car, it's the one who refuses to lose."
                - Dale Earnhardt -


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                • #9
                  while i just went and turned the key. Didn't make the noise and the pump ran liike it did before. Started it and no whine.


                  LS6 cam, LS6 valve springs, built tranny w/ 3k vigilante converter, 160 t-stat, SLP exhaust and headers, HAL suspension and go-fast juice



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                  • #10
                    Let the car idle for awhile. I know of a bunch of people with the lm pump noise. Behind the car the noise sounds like it's coming from the exhaust

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                    • #11
                      obviously this isn't my car but this is what it was doing!!

                      http://www.youtube.com/watch?v=H8fLzP1UeDQ


                      LS6 cam, LS6 valve springs, built tranny w/ 3k vigilante converter, 160 t-stat, SLP exhaust and headers, HAL suspension and go-fast juice



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                      • #12
                        another one that nails it:

                        http://www.youtube.com/watch?v=zRvZc...eature=related


                        LS6 cam, LS6 valve springs, built tranny w/ 3k vigilante converter, 160 t-stat, SLP exhaust and headers, HAL suspension and go-fast juice



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                        • #13
                          ya man that sucks i hope it an easy fix for you
                          The Original




                          Originally posted by 81DaytonaPaceCar


                          Can you argue that it's "revolutionary"? Perhaps. Just because it's "new" and "different" doesn't mean it's the greatest thing since sliced bread.

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                          • #14
                            If you fix the fuel pump replace it with a walbro 255lph, you can get them for right around $100 and its a pretty easy install
                            2011 Ford Raptor SuperCrew
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                            2000 Camaro Z28
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                            • #15
                              If your gonna drop in a walbro 255lph (which I highly recommend) you will NEED a better wiring harness because it will draw more power. I would buy the complete racetronix kit for $250 and trap door it, it can be done in like 3 hours easily.
                              Doing less with more


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