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| mrnasty |
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Lately there has been a very annoying and loud rattle coming from underneath my car, i thought it was the cat convertor, so i pulled it out today and gutted it, re installed it with new gaskets, and the rattle is still there. I have no idea what it is, but it sounds like a metal/metal rub, very tinny sound. It only happens on idle, and up to about 1500rpm, then it goes away, and it only seems to occur when the motor is warmed up, doesnt happen cold...?
anyone have any ideas, im hoping its not a bottom end rattle. oh I also have a rather large exhaust leak somewhere if that has anything to do with it? maybe one of the mufflers has collapsed, im not sure.
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| gas_fpv |
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Age: 37 Posts: 22 Joined: 9th Jun 2006 Ride: AU Series 2 (LPG only) Location: Safety Beach |
Hey mcgaf take the exhaust off and see if it is still there might be tapping on something!
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| MARK.TANIA |
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IS YOURcar auto? if it is it might be the tork converter has come loose .take off the inspecion cover off and see if it is loose
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| mrnasty |
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took the exhaust off earlier (sounds horn as
 ) might take the inspection cover off next weekend and see if its the convertor. Any other ideas? As i changed over the tranny and convertor bout 2 months ago, and the rattle was there b4, and after the tranny swap.
mind you, the rattle wast there when the exhaust was off. Is it possible for mufflers to collapse?
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| Steady ED |
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yeah it is man, are they stock? the baffles can come loose
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| mrnasty |
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centre muffler is a lukey straight thru (ultra flow or some b/s) and the rear one, have no idea, might be stock. Im praying its not a bottom end bearing rattle or im up s**t creek!
_________________ Cougar Zero makes my pants fit nice. |
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| Steady ED |
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yeah id be dreading that too !
could just be a baffle in the rear muffler, or an exhaust hanger f**k up, and the exhaust hitting the diff or floor or something? if you can try pinpoint exactly where its coming from, narrow it down at least
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| mrnasty |
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well i've been at my uncles place since 2pm and needless to say im quite p****d so might have to try and pin point during the week after work
_________________ Cougar Zero makes my pants fit nice. |
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| nicco |
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my was making that exact noise and is was a shagged out muffler
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| mrnasty |
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hmm, a redback 2.5" may fix that and replace the old 2.5" press bent system... nice
im also thinking it has to be exhaust because along with the rattleing there is a mammoth exhaust leak. and they both started around the same time
_________________ Cougar Zero makes my pants fit nice. |
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| Steady ED |
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Yeah, I'd be saying exhaust as well.
Not the bottom end... please not the bottom end 
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| mrnasty |
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Steady ED wrote: Not the bottom end... please not the bottom end
my thoughts exactly! Im f**k if it is! It shouldnt be... i mean i give it a hard time, but not 24/7, and its always got good oil, good filter, and coolant.
_________________ Cougar Zero makes my pants fit nice. |
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| nicco |
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mrnasty wrote: hmm, a redback 2.5" may fix that and replace the old 2.5" press bent system... nice
he he, thats how i fixed mine 
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| Mechan1k |
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the rattle ... is the heatshield on the catalytic converter ... had it on mine ... had the heatshield removed ... bingo ... no rattle.
_________________ 04 Territory TX AWD - Winter White - optioned up |
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| mrnasty |
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where abouts is the heat sheild on the cat??
_________________ Cougar Zero makes my pants fit nice. |
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