Acura RSX grinding noise when accelerating

Discussion in 'Technical & Modification Discussion' started by StickShift, Oct 4, 2009.

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  1. Oct 4, 2009 #1

    StickShift

    StickShift

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    Hey everyone,
    Just picked up a 2003 Acura RSX Type S and there is a mild grinding noise when accelerating through the gears. It almost sounds like theres a bolt or screw rattling around in the exhaust. From what I can tell, it sounds like its coming from the front passenger's side. There is an aftermarket exhaust on the car, everything else is stock. Any advice?
     
  2. Oct 4, 2009 #2

    s10tuner86

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    have you checked the cam gears? does it get louder based upon rpm's or is it just pretty much doing it the same regardless of where it is in the powerband.
     
  3. Oct 4, 2009 #3

    Skinny Will

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    possibly the cat?
     
  4. Oct 4, 2009 #4

    s10tuner86

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    the fact it's doing it under acceleration, and sounds like grinding leads me away from an exhaust issue and more towards mechanical failure somewhere.
     
  5. Oct 4, 2009 #5

    Skinny Will

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    oh yeah, haha. i dont even know what i was thinking.
    if it was more of a rattle as opposed to a grind then it could be the cat
     
  6. Oct 4, 2009 #6

    StickShift

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    the noise is present all the time, it just seems as though it is more noticeable during acceleration because the drone of the exhaust isn't there. I wouldn't be surprised if it was the cat, not sure how well the exhaust switch was done
     
  7. Oct 4, 2009 #7

    The Keyser

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    axel,wheel bearings, MAYBE the hanger on the exhaust is loose.
     
  8. Oct 4, 2009 #8

    EsChassisLove

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    happend to mine. a hanger broke loose a under acceleration it would rattle to all hell.

    Silly fwd cars.
     
  9. Oct 4, 2009 #9

    esTwoTHOUSAND

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    Edited.
     
  10. Oct 4, 2009 #10

    Andyacer03

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    had a hanger on my exhaust come off as well...they welded straight to the shell of the muffler and it broke loose!! took it back to the shop and got it fixed for free
     
  11. Oct 4, 2009 #11

    StickShift

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    ok, i'm starting to think that's the cause. the genius who installed the piping for the exhaust chose too wide of a diameter piping which causes me to bottom out all too often. i'll check that out and go from there
     
  12. Oct 4, 2009 #12

    EsChassisLove

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    Best i could come up with right now :suspicious:


    Whats too wide? 3"? i have 3.75" piping from the resonator back...i live, i scrape, but i live lol. What, you want a dinky 2.5" header back that sounds like a weedwacker??? lol
     
  13. Oct 4, 2009 #13

    esTwoTHOUSAND

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    Do you have any pics of your car? I havent seen it.
     
  14. Oct 4, 2009 #14

    StickShift

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    No, actually i'd prefer stock exhaust because anything other than that just gives something to complain about
     
  15. Oct 4, 2009 #15

    StickShift

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    I'll put some up today
     
  16. Oct 4, 2009 #16

    EsChassisLove

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    http://www.ricekiller.com/forums/showthread.php?t=76393

    last page. best shots i could find at the moment.....one day i will have those rpf1s!!


    Yea stickshift try an exhaust hanger first. cheapest thing that could be broke lol. if not then go from there
     
  17. Oct 4, 2009 #17

    s10tuner86

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    I still fail to see how a broken hanger would sound like grinding but to each their own hopefully it's a cheap fix either way.
     
  18. Oct 4, 2009 #18

    BLUEOVAL

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    Its the hamsters.
     
  19. Oct 5, 2009 #19

    jinxtacy

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    Just check for exhaust leaks since that would be the simplest. Perhaps check trans fluid. *shrugs*
     
  20. Nov 5, 2009 #20

    StickShift

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    Resolved

    Well, it's still in the process, ended up being the shield around the cat that had began to rust and was vibrating between certain rpms. Took off the bottom half and the noise is less now, but still have to remove the top part to get completely rid of it.