Question about 1996 Honda Accord

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Underbody rattle/buzz during hard acceleration. Could it be a loose heat shield for the exhaust?

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Theres a service bulliton that replaces the piece of flex pipe on the exhaust. also i have seen rocks get in the cat converter heat shield and do the same thing

Posted on Oct 01, 2009

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Posted on Jan 02, 2017

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Rattle in rear undercarriage of 2007 dodge caravan


Put a couple of long hose clamps together & put
around exhaust converter heat shield

Other underbody heat shields that rust away,
you remove the bolts & add a large washer

Sep 16, 2012 | 2007 Dodge Grand Caravan SXT Minivan

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When I accelerate, there is a tin can kind of sound. The sound ceases when just cruising along. Only hear it on acceleration? Any tips of what that could be??Thanks!


Have a 1997 T100 SR5. 146,000 miles. Had the same problem. It's the heat shields over the exhaust manifolds. The welds break and they rattle. I used high-temperature exhaust putty and c-clamps to hold them steady. Works great. (Don't have access to a welder)

Feb 15, 2012 | 1995 Toyota T100 Xtracab

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My 2005 Nissan Morano S makes a rattling noise when accelerating. More so after the car has been sitting. Less after I driven awhile.Taken it in 3 times and no one is able to diagnose.


Hello Lisa,
Rattles are always a fun thing to chase after. The first thing that comes to mind with a rattle under acceleration would be a heat sheild. Over time, heat shields which protect the under body of the car from exhaust heat come loose. Might want to have an exhaust shop take a look at it for you. I have heard of weak tack welds located on the heat sheilds by the catalytic converter. So you can ask an exhaust shop to take a look.

Although if you are one to get down under the car and a bit dirty check it out on your own. You might be able to check without putting the truck on a jack stands or a lift. Basically you will want to ensure the car is cold. If the car has not sit for a little while, I would not recommend touching the exhaust. YOU WILL get burned. :) Once your sure its cold and want to squeeze under the truck you can follow the exhaust tips all the way up to the catalytic converters. See pic below(number 16 is the heat shield). You will see the tin around them and be able to shake them a bit. If you hear your rattle there is your problem. If not check out the other heat shields.

rltofixya_0.gif

Good luck

May 26, 2011 | 2005 Nissan Murano

1 Answer

My Cady has developed a rattling noise under that increases when I accelated


A common cause for the "rattling" noise you've described is a loose heat shield for the catalytic converter. Many times, a weld will break loose leaving you with a hanging heat shield that vibrates and "rattles" while you drive. A trip to the muffler shop should be able to confirm this. By itself, a loose heat shield is not something major.

Another cause could be a loose exhaust hanger that holds the exhaust firmly in place. It too would tend to rattle more as you drive. Either way, it would appear on the surface that your issue is exhaust related. Best of luck and thank you for using Fixya!
Greg

Feb 23, 2011 | 2005 Cadillac SRX

1 Answer

When I am accelerating or changing gear my Peugeot 206 is making a rattling noise Any ideas what it could be


It may be one of the heat shields on the exhaust system is loose, and is causing this intermittent rattling. With the engine cold and when the exhaust system has cooled, check to see if the shields or other components are loose.

Oct 29, 2010 | Peugeot 604 Cars & Trucks

2 Answers

1999 Honda CR-V rattles during acceleration


Usually it is a loose rusted exhaust heat shield or shields.
Slide under and tap the exhaust system and shields from front (on the engine )to back.......there will be at least one rattle heard.

Sep 30, 2009 | 1999 Honda CR-V

1 Answer

89 volvo 240 dl when i put the car into gear i hear a clinking


need more info. I've had a few 240's come in that made noise when putting into gear. It was more of a KLUNK, then a constant rattle/buzz type of noise.
I turned out to be a combination of two noises, that were related. The motor mounts were shot and the exhaust heat shield above the rear muffler, was loose.
It seems that the broken mounts allowed excess exhaust pipe/muffler movement, which in turn came in contact with the loose heat shield. This was the KLUNK and the RATTLE.

Jun 18, 2009 | 1989 Volvo 240

1 Answer

Rattling sound


exhaust heat shield is loose or broken easy to repair once you know whitch one it is. tap around on exhaust system with mallet and you will hear it.

Apr 30, 2009 | 2003 Lexus Gs 300

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