Question about 2005 Pontiac Vibe

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Exhaust rattle when you start the vibe sounds like a rattlein the exhuast but the exhautst is ok

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Sounds lie a exhuast bracket has came loose

Posted on Dec 05, 2008

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When the rpms reach 2.5 exhaust jerks, looses power. Have lost one third mpg gas.


Sounds like the catalytic converter is getting stopped up.Tap on catalytic with a hammer and if you here a rattle then the converter has had a melt down.You can have a pressure test run on the exhuast system to verify the problem.

Aug 05, 2011 | 1996 Nissan Pickup

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1993 CHEVERLET Z71 MOTOR IS A 350 WHAT THINGS COULD CAUSE WATER OR GAS TO DRIP OUT OF THE TAIL PIPES


A little water is normal to come the exhaust. condensation. Gas would not come out of the exhaust, it would blow out the exhaust as in boom

Apr 27, 2011 | 1993 Chevrolet K1500

1 Answer

2003 dodge ram 1500 5.7 hemi replaced piston and head now have tapping noise from front of engine. sounded like exhuast leak replaced gasket. not loud at idle but when start driven gets loud.


Could be a bad gasket tightness if you replaced the gasket. The exhaust manifold could be not torqued down evenly causing a gap to exist allowing exhaust gas vapor and sound to escape at the cylinder head connection.

Dec 18, 2010 | Dodge Ram 1500 Cars & Trucks

1 Answer

When i accelerate at changing gear i get a slight


This may be a few different things:

You could have a worn engine mount.

You may have a worn gasket on your exhuast manifold, allowing air through which can creat this type of sound at low rpm's on the low end of a gear change or when accelerating and forcing more air to the exhaust. You should be able to check this by putting your hand near the exhaust manifold and feeling for blowing air. It may be more apparent when the engine is cold, you might even be able to hear the air if you move your head close to it.

Good luck!

Jun 17, 2010 | 2000 Honda Civic

1 Answer

Rattling sound from the exhaust


The metal shielding around your catalytic converter could be rattling or the rubber donut that holds the rear tailpipe could be bad. When your car is cold shake your tailpipe and see if you can reproduce the noise. If you can your tailpipe donut is likely bad. Three dollars at any auto parts store. If it does rattle when you shake your tailpipe then the heat shield for your convert could be loose. You need to tighten it up another piece of metal between it and the converter to keep it from rattling. If you hear the rattle when you go over bumps too then your exhuast is probably, loose. Crawl under there and stake shaking things, I am sure you'll find the problem

Apr 07, 2010 | 2002 Kia Rio

1 Answer

When starting from a stop, by pressing lightly on the accelerator i hear a rattling sound, by when i press harder the sound goes away, is this a fuel injector problem?


Not enough info...but probably not.
Two things spring to mind.
Heat shield on the exhuast is loose
or is your oil okay? maybe the tappets need attention.
Good luck.

Nov 28, 2009 | 2001 Toyota Sienna

2 Answers

2000pontiacgrandprix noise under accelration maybe exhuast?


Hello! First of all, congrats on owning a great car! That engine (3.8L Series II L67) is without a doubt one of the finest GM (Buick) has ever produced!

On to your problem - I think you have one of 2 things wrong:

1) a loose heat shield
2) a broken exhaust hanger

Both of these will cause intermittent (and highly annoying) rattling sounds, especially at low speeds or when the engine is under load (like going up a hill for instance). There are 2 hangers under the car located almost directly under the front floorboard. These are prone to breakage. There is also a heat shield in this same area - that is very prone to coming loose. If it's the heat shield - you can either remove it - or have it tack welded. If the hanger(s) are broken, you will need to take it to an exhaust shop (unless you know a welder :) ) and have those fixed - shouldn't cost you more than $20 either way.

Hope this helps and good luck!

Sep 24, 2009 | 2007 Pontiac Grand Prix GXP Sedan

1 Answer

White smoke from Exhaust


hardly likely the exhaust job would cause that, but yes it sounds like you got a blown head gasket. badl lock stricks hmm! also preasure test cylinder head for leaks

Jul 22, 2009 | 2005 Renault R5

1 Answer

Loud exhaust rattle/grinding


sounds like the baffles have come adrift in your exhaust sylenser

Jul 16, 2009 | 1991 Mazda MX-5

1 Answer

Celica 1.8 st


Hi, check your valve lash your lifters are not hydrolic, on 7AFE motor valve lash should be done cold and set at 0.15-0.25mm for intake and 0.25-0.35 for exhuast.  On the 5SFE motor set cold also is 0.19-0.29mm intake and 0.28-0.38 for exhaust.

Dec 01, 2008 | 1997 Toyota Celica

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