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Express Car Care of Denver

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Exhaust

May 25, 2020 by admin

We’ve all heard a car or truck in our neighborhoods that needs a new muffler.  But there’s more to the exhaust system than just the muffler.

The exhaust system has three main functions:

  • Safely get hot exhaust gas from the engine out the tailpipe
  • Treat the exhaust to remove harmful pollutants
  • Muffle the engine noise

Exhaust gas is poisonous,  you don’t want it getting into the passenger compartment for any reason.  Most of us know that carbon monoxide can be deadly.  That’s why you should never run your engine in a closed garage.  If you have a leak in the exhaust system, exhaust could get into the passenger cabin and make you sick or even kill you.

If you smell exhaust in the vehicle, roll down your windows and get it inspected right away.  You may smell or see exhaust coming from the engine compartment or under the vehicle if you have a leak.  Sometimes the sound from an exhaust leak is loud and obvious.  Sometimes it’s a ticking sound when you start the engine that goes away as you drive.  That could signal a small crack or a bad fitting that leaks when it’s cold but seals up when the metal heats and expands.

Now, let’s talk about the environmental issues for our community.  Exhaust gas contains a number of pollutants and particulates.  The catalytic converter scrubs some of those harmful substances, and diesel vehicles have systems to deal with soot.  Catalytic converters eventually wear out and need to be replaced.  They are expensive so you want to help them last as long as possible by keeping the fuel system clean and replacing your air filter.  These components need to be tested for proper functioning with an emissions test from time to time.

Finally, we have the muffler.  The beauty of getting a new muffler is that you can suit your own personal taste:  Some want whisper quiet and others like a little rumble, and some like a roar when they drive down the street.  It’s your choice.

If you are experiencing any of these signs or have any concern about an exhaust leak, come in and see us or give us a call.

Filed Under: Denver Auto Repair Tagged With: Exhaust

Express Car Care
4200 E. Evans Ave. Denver, CO (map)
Phone: (303) 691-2760
Located just southeast of the Colorado Light Rail station

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