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  #1  
Old 08-04-2010, 06:46 PM
onerinconhill onerinconhill is offline
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Join Date: Mar 2010
Posts: 56
Default Loose muffler?

I've been having the strangest problem with my 96 Ranger XLT, when I'm backing up I'll hear a rattling sound (like a deep rattle, not a pretty one) and I couldn't figure out where it's coming from until today. But when I put it in drive and step on the gas, I'll hear a vaccum like sound from somewhere and it'll stop making the rattling. I was fixing my horrible parking job and noticed that the rattling was louder than usual (sometimes it's worse than others, sometimes it's not even noticeable) so I put it in park and looked around, noticed that I couldn't hear it on the drivers side, so went to the passenger side and noticed that my muffler assembly (the huge box, sorry I'm car stupid) was rattling a lot, along with the part of the tailpipe around it. Does anyone have any idea if this could be the cause of the noise and how easy it is to fix?
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  #2  
Old 08-04-2010, 06:47 PM
onerinconhill onerinconhill is offline
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Default Re: Loose muffler?

I also get a rough idle from my truck, but not sure if that is related. The two problems started becoming noticeable at the same time, however.
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  #3  
Old 08-08-2010, 07:58 AM
Twiztid Twiztid is offline
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Default Re: Loose muffler?

Maybe the hangers for your exaust pipe are just loose? Check them and see if they have excessive play or if one is broken/missing.
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Old 08-08-2010, 03:54 PM
onerinconhill onerinconhill is offline
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Default Re: Loose muffler?

I have no idea how to check anything...if I took it to a mechanic would they charge a lot to check and fix that? About how much should I expect?
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  #5  
Old 08-09-2010, 08:05 PM
Twiztid Twiztid is offline
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Default Re: Loose muffler?

Ok so I had the same problem and today I looked closer. The First catalytic converter (the one closest to the engine)has a heat shield on bottom and top. The top one breaks loose and rattles, so bend it back until it does not move anymore and that stopped my rattling hope this helps!
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  #6  
Old 08-09-2010, 08:17 PM
Twiztid Twiztid is offline
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Default Re: Loose muffler?

And a mechanic will charge you prob charge you 100 or more so here Ill try to help.

1. Get under the passenger side of your truck, close to the front tire.

2. Locate the cat converters and your exhaust pipe. (right next to the transmission pan)

3. MAKE SURE THE IT HAS NOT BEEN RUN IN AT LEAST AN HOUR, IT GETS UP TO 500 DEGREES ON THE PIPE!!!!!!!!!

4. The big squares along your exhaust pipe are your cats, the one closest to the engine has metal around it and has a bunch of holes in that metal. Feel the middle on the left and right side of that cat and see if it is one solid piece or if the top part has come loose.

5. If it has not come loose your problem is else where, I just suggest looking all over that pipe and shaking it at different points to locate rattle. If it has come loose you have a couple options, the simplest is to take a metal strap and place it around the whole thing and tighten it, they have straps at auto zone like a little adjustable band for 2-5 bucks. (DO NOT use anything fabric,plastic,string or anything else that will melt, remember this gets very hot).

6. Start the truck and see if you have any more noise!


I am only a backyard mechanic, anything I have told you comes from experience and I hope this fixes your problem!
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