Catalytic Converter Heat Shield Purpose

Turns out the heat shield over the catalytic converter had rusted through 3 of the 4 bolts.

Catalytic converter heat shield purpose. Because the primary purpose of the exhaust system is to route superheated gases away from the engine everything around the exhaust manifolds catalytic converter exhaust pipes and muffler. Heat shields are there for the sole purpose of keeping everything protected from the huge amounts of heat that your car goes through on a daily bases. We have all kinds of heat shields for all ford lincoln and mercury vehicles at ford parts center. They pulled it off an we ordered a new one.

Don t be left without your heat shield that could be very bad. I finally took it to get checked after over a year of this odd noise and was told that the bolts that hold the heat shield for the catalytic converter are cracked beyond repair and it is loose and makes that noise. Catalytic converters get very hot upwards of 900 to 1 000 degrees f in some cases. It s basically a heat shield that protects the body of the car and the carpet sound deadening in the car from the heat of the cat.

While some see a rattling heat shield as a mere annoyance others may find it embarrassing. Heatshield products muffler armor uses our biocool thermal barrier material to withstand 1 800 degrees f of continuous heat which helps reduce radiant heat from mufflers by up to 70 percent. The purpose of any car s heat shield is to do exactly what its name implies to shield various parts of the car the driver and the immediate environment from the heat generated by certain automotive systems. Catalytic converters can get very hot in the worst case glowing hot and without the heat shield that can cause problems or at least discomfort.

How to fix catalytic converter heat shield rattle by richard rowe. When they tried to put it on they claimed they couldn t get the bolts off because of the rust and corrosion. In some cases a loose heat shield could be a major problem. A muffler and catalytic converter heat shield can reduce interior temperatures and protect nearby components.

A heat shield is used to keep high exhaust system operating temperatures from radiating to the floor of the passenger compartment or other vehicle parts that should not be exposed to the high heat. Converters converters technology exhaust products flex coupling repair kits chop saw blade cat shield cat shield 2004 2009 gen 2 2010 2015 gen 3 2016 2020 gen 4 2012 2017 prius v 2012 2019 prius c installers retailers faq and tech info. My 2002 honda civic was whistling kinda like a slide whistle while the car would idle and the a c was on.