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What's the best thing to do to repair a hole in a car exhaust? I've found a small hole in my car exhaust after I heard a rattling/blowing sound. The hole is at the back of the car on the join between the end pipe and the box type section.
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This does not sound right at all. I have never heard of an EGR valve blowing holes! Buy a replacement like Ray says. If this happens again plan on replacing your exhaust system, all parts, because if it is clogged this is how car fires occur. Don't take the chance.
Might be Exhaust, but if Exhaust is loose , you usualy here a rattle when you are also driving the car on the road. Best to take Car to local Repairer , put Car on ramp , and take a look , as it could be something else that Rattles.
sounds like the battery disharged. If the key was on along with the lights than 20 minutes would be enough to drain the battery. Try a jump start. it should get you going. I would have the battery tested after driving for at least an hour at highway speeds just to make sure it is good.
Did the sound disapear on the way home? It may be a slightly loose exhaust bracket becomeing tighter when warm as things expand with heat. Or is it only heard on rough roads?
if you stilll have heat sheilds around the exhaust system then check then for looseness as these will cause a squeak or rattle noise.you can try to tighten the sheilds or remove them.their purpose is to help keep the exhaust cool.if its a small pin hole in the exhaust it can cause a sound like you have.you will have to find the hole and if the system is not rotted weld the hole closed.if the system is no good then replace the bad part.if the noise is from the inside the muffler you can try to dent the muffler were you here the noise to try to stop it or just replace the muffler.
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
Hoping the exhaust system is original equipment and undamaged, After replacing the tank a3rd time, I would ABSOLUTELY assess the condition of all exhaust hangers, and re-align exhaust pipes AWAY from that gas tank. The vehicle will best be repaired on a lift, along with some heavy bars. Maybe the closeness of the exhaust was trying to bring your unleaded to a boil. Repair this ASAP
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