Question about 2001 Hyundai Sonata

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Exhaust Manifold crack on R Reg 2.0 Litre 4cyl Sonata

Small crack means exhaust noisy on start-up. Want to fix ahead of MOT ...

Can this be welded?? If not any suggestions for parts supplier

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Hi

Yes it can be welded.

Check out this sight for tips and tricks.

http://www.weldingtipsandtricks.com/welding-cast-iron.html
Good Luck !

A FixYa Rating Would Be Appreciated Thanks !

John.

Posted on Feb 07, 2009

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1 Answer

What is the cause of noisy engine


What kind of noise? Inside an engine there are pretty heavy explosions taking place and they tend to be very noisy, which is why an exhaust system is fitted. The task of this system is to cool down the exploded gases and allow them to lessen their pressure before bringing them in contact with the cooler air outside. If any part of the exhaust system malfunctions, the engine will be noisy.

This system consists of the exhaust manifold, which is bolted directly to the cylinder head and sealed with a manifold gasket, The first exhaust section is usually bolted to this with a flange, which has a gasket or ball and socket seal.

Check the gaskets and check for cracks. After the first exhaust section you will usually find either the second section or the muffler, which allows the gas to expand. Check for cracks or breaks in this unit. From there a further pipe goes to the rear of the car, or in some cases to a resonator box which looks like a second muffler. This has to do with tuning the frequency of the exhaust gases to allow a free flow of exhaust gas at cruising speed to enhance fuel consumption. Check here also for cracks, breaks.

Another kind of noise from the engine could be knocking, which could mean serious engine trouble. If this is the noise you hear, take it to a repair shop immediately.

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J B Weld ,mix a/b and seal hole ,dries hard. Intake manifold has a little vacuum,it will work. Exhaust manifold has alot of pressure might not work, Junk yard, get replacement part. Parts do rot out!!

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your going to have to fix that double quick.
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Hyundai sonata 2000 cdx 2001 auto> The car starts and runs perfectly fpr 15 mins , The after 15 mins it idles extremely roughly , coughs , splutters ,and soon as you hit the accelraotr it dies.Also the...


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