Catalytic Converter Noise Only When Cold

August 16, 2021 Post a Comment

Catalytic converters can be an expensive repair potentially costing you upwards of 1000. I have been thinking about this and I think the reason this is happening while accelerating and not revving the engine is because the noise is not he result of increased pressure due to higher RPMs.

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Catalytic converter making ticking noise when cold Aug 15 2014 818pm I got the truck with a aftermarket catalytic converter on the drivers side and the original is still on the passengers.

Catalytic converter noise only when cold. I also have a problem with. GM has issued a service bulletin 10-06-01-007D to address Engine Ticking Noise When Cold on the vehicles listed below. The catalytic converter rattle sound is one of the most typical symptoms of a failing catalytic converter.

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. It does it just abouve idle speed when cold - when starting out from the driveway or a stop sign. What about the noise.

If it was a generic or off-brand exhaust Im betting that is it. My catalytic converter has developed a popping noise within the past week. If you need an inspection of your vehicle or know that you need a repair Fiix has you covered.

7 Apr 19 2013. The flanges were machined poorly causing the joints to leak. Display results as threads.

It had a leak so i took it to my friends muffler shop and he fixed it up. Rattling noises from under the vehicle are another symptom of a bad or failing catalytic converter. Joined Jun 29 2005 272 Posts.

It is somewhat like a turbine whine or whistle. Cause of ticking noise. I had an issue on my 98 with a Bosal or Eastern I forget exhaust.

The check engine light one of the most obvious indicators of a malfunction in your car is also one of the indications of a bad catalytic converter. Check Engine Light. The rattling noise is usually more pronounced when the vehicle is started and gets worse over time.

Home Forums General Topics Troubleshooting Diagnosis Catalytic Converter noise Discussion in Troubleshooting Diagnosis started by Psychohamster. Its toasted and broken up internally. When your car is cold shake your tailpipe and see if you can reproduce the noise.

Joined Sep 24 2009. The tick noise may last from two seconds to ten minutes. If you do the rubber mallet slap and hear internal stuff clunking around.

If you are experiencing a rattling noise coupled with any of the other symptoms on this list there is a good chance your catalytic converter is the cause. Search titles only. Search this forum only.

After the engine gets heated to normal operating temps the noise only happens briefly when the gas peddal is mashed to the floor. When checked by a compatible device it gives a catalytic converter trouble code which must be decoded with the help of the operating manual. Separate names with a comma.

The rattle may be more obvious when starting the vehicle and will worsen over. Instead its caused by excessive rotation of the engine leading to the flex joint manifold to catalytic converter opening more than it should. The ticking noise appears when the engine has been off for more than 2-hours.

Failing the annual or semi-annual emissions test might also be linked to a failed catalytic converter. Search this thread only. It is mainly due to old converters or to damage caused by honeycomb meshes.

Take a rubber mallet and give the catalytic converter some gentle slaps when its cold. All Discussions only Photos only Videos only Links only Polls only Events only. My first thought is that it could be due to insufficient.

Rattling when cold catalytic converter Jump to Latest Follow 1 - 11 of 11 Posts. Catalytic converter rattle sound. It turned out to be the catalytic converter had weakened inside and had broken up.

If the external shield is falling offNAPA sells a H U G E ladder clamp that works fantastic for wrapping around a converter to re-secure the heat shield to keep it from rattles. If you can your tailpipe donut is likely bad. Share Tweet 1 SOLVED Popping noise from Catalytic converter 05-13-2012 1159 PM.

If a catalytic converter becomes old or damaged internally from excessively rich fuel mixtures the catalyst coated honeycomb meshes on the inside of the converter can collapse or break apart causing a rattle. A rattling noise when starting the engine might indicate a broken catalyst. If the catalytic converters housing is discolored or warped there may be internal leakage or overheating.

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