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What does it mean when a loud bang comes from the muffler while you are driving?

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Wiki User
2004-12-04 21:00:26
2004-12-04 21:00:26

it means that your timing belt needs to be changed.

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A buildup of raw fuel in the exhaust system is then ignited and damages the exhaust muffler or blows a pipe apart.

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possible causeThe muffler is extremely hot after mowing, when the ignition is turned off, the fuel air mixture continues to be drawn into the engine through the carburetor and when the engine comes to a complete stop the fuel air mixture is now stalled and what is in the muffler is ignited by the header pipe, muffler or exhaust valve. The loud bang is the unmuffled explosion of the air fuel mixture.

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Check your muffler mine was doing that same thing. The 2 rubber bushing that keep the muffler hung had come off. All you have to do is push up on the muffler slightly and slide them back on this should get rid of the rattling. You may have to jack up the car to get to both of the bushings since they are about in the center of the car just behind the front doors.

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yes there is a big bang theory season 4 it comes out in September


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