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BA XR6 Exhaust Rattle - I think?! 

 

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 Post subject: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 23, 2013 1:56 pm 
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I was wondering if anyone could help.

Once the car heats up, after driving for a while, i begin to get a rattle which i believe is coming from the exhaust, (or under the car at least). If i put it into drive, and have the brake on at idle it makes the same sound, but only after ive driven it for 10ish minutes. Then once i put it into park it goes away unless i rev it as seen in the video.

If anyone could give me some insight as to what this might be, and if the repair would be a pretty simple job, as im keen on saving some money by doing it myself (having recently spent $270 to get the rear door actuator replaced).

http://www.youtube.com/watch?v=f2jCbZ0fAUI

Also the car is on injected gas, if that makes any difference
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Wed Apr 24, 2013 12:17 am 
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I think you will find that this is the heat shield on the Catalytic Converter. It was a problem with BA/BF exhausts and usually requires put a BIG Hose clamp (or Two) on the Cat to shut it up.
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Sun Apr 28, 2013 9:17 pm 
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Some of my mates yesterday seemed to think id be best taking it to an exhaust shop and getting them to suss it out, but you think the hose clamp should do it ?
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Mon Apr 29, 2013 11:35 am 
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That's what they used to do at the Dealership I worked for.:)
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Mon Apr 29, 2013 2:34 pm 
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My car does the same once it gets hot. Bloody annoying.. :evil:

 

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93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU.
2004 BA MKI XR6T in Lightning Strike paint / K&N / XR8 bonnet / BF lights and a few tweaks.

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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Mon Apr 29, 2013 3:34 pm 
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BA's and BF's did this rattle thing. It was found that the heat shield was the problem so, the mechs used to be VERY large Hose Clamps on them to shut em up. :)
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Mon Apr 29, 2013 10:23 pm 
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Papa Smurf wrote:
BA's and BF's did this rattle thing. It was found that the heat shield was the problem so, the mechs used to be VERY large Hose Clamps on them to shut em up. :)


Sorry mate, youre saying put the hose clamp around the cat or the heat shield?
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 30, 2013 12:57 am 
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On the heat shield on the Cat.
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 30, 2013 12:29 pm 
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or you can do what I did to the my au when it had std exhaust and just take the heat shield off..
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 30, 2013 5:57 pm 
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Papa Smurf wrote:
On the heat shield on the Cat.

hey mate we tried chucking some hose clamps on either side of the cat, but to no avail. Do you mean around the whole thing, because thats what we're gonna try next. ill upload a video of the sound again, this time a little more intense, that way you can just check its the same thing..
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 30, 2013 6:02 pm 
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maybe the cat is stuffed....???
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 30, 2013 6:13 pm 
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Heres another video of the sound,
Hopefully the video is processed by the time you guys see it,
http://youtu.be/BKFkjA3y0Ao

i think you can just see where we chucked one of the hose clamps.
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Tue Apr 30, 2013 11:37 pm 
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The second link didn't work but the first one is definitely the shield. The hose clamps have to be large ones, like 4-5".
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 Post subject: Re: BA XR6 Exhaust Rattle - I think?!
Posted: Wed May 01, 2013 10:20 am 
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hmmm interesting

mate just bought a FG sedan not long ago & he has a rattle too, but only when he goes over humps [think thats what he said?] hes just about had the rear rebuilt lol & still there :?
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