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Q: Can catalytic converter cause a knocking sound?
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Will removing your catalytic converter from your CBR600RR make it sound better?

It s illegal to remove a catalytic converter.


Would a large hole in the side of your catalytic converter cause your car to sound really loud?

YES IT WILL


Will a bad catalytic converter cause air to suck in through exhaust?

No, but it will make a sucking type sound.


What would cause a whistling sound like a distant fire whistle in the rear of a 96 Cavalier?

Plugged catalytic converter


What can cause a rattling sound on a 2007 hummer h3?

Check the heat shield on the catalytic converter Check exhaust hangers


Can a bad catalytic converter cause a car to lose power and make the care sound rough when pressing on the gas?

Yes, it sure can.


Can a heat plate close to the exhaust cause a knocking sound?

Heat shields often corrode and become loose but they usually cause a tinny rattling sound. Eventually they fall off as witnessed by the dozens of them found along highways. Mechanics often remove them (with your permission) if they are loose, because they serve no purpose other than to protect the technician from a very hot catalytic converter that he/she knows not to touch anyway. A "knocking" sound, however, is more likely caused by a worn or broken exhaust hanger, allowing the exhaust system to bump the underside of the vehicle. Be sure the engine isn't causing the knocking sound, driving around a car with a knocking sound in the engine can cause MAJOR damage. Knocking from your undercarriage can also be caused by suspension components that have gone bad or are leaking fluid.


Why does a Rattling sound can be heard inside my catalytic converter?

bits of the catacomb that makes up your coverter have fallin losse. if it sound like there is dirt in it that that's the case. The catalytic converter needs replaced.


What would be causing a knocking sound in your muffler?

A hole in the muffler would cause a knocking sound in your muffler. A loose exhaust pipe can also cause a knocking noise.


Would a loose torque converter make a knocking sound?

Yes, loose converter bolts sound a lot like a failed rod bearing.


Why is your car making a whirring sound especially during acceleration?

Depending on what kind of "whirring" sound you are referring to, it can either be your catalytic converter or some problem with the exhaust system. Most likely the catalytic converter if its what I'm thinking of.


Does a defective catalytic converter have a clanging or rattling sound?

Yes, it can and this may also be a loose or cracked converter heat shield.