How to Repair a Broken Exhaust Pipe

Written by michael monet
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How to Repair a Broken Exhaust Pipe
Exhaust pipes help maintain your engine. (Auto Exhaust image by Digital Photique from Fotolia.com)

Your exhaust system allows for the escape of exhaust gases from your car as efficiently as possible. By helping your car "breathe," the exhaust system gets rid of the waste from burnt fuel, allowing your car to burn new, clean fuel and maintain maximum power. A broken exhaust pipe will slow and weaken this process, making your car less efficient overall. You can temporarily fix your own exhaust pipe, but you will eventually have to get it welded back on or replaced at an auto shop.

Skill level:
Easy

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Things you need

  • Goggles
  • Jack
  • 2 jack stands
  • Cardboard or mat
  • Metal pipe cutter
  • Socket wrench
  • Adaptor
  • Black permanent marker
  • 2 U bolts

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Instructions

  1. 1

    Jack up the front of your car with a car jack. Place two jack stands underneath the car for extra support in holding up the car. Jack the car up as high as possible.

  2. 2

    Lay cardboard or another type of mat underneath the exhaust pipe for back support. Remove the old exhaust. If it is bent, or hanging off, you may be able to cut it free with a metal pipe cutting tool. If not, loosen it by unbolting the exhaust from the tailpipe with a socket wrench. Pull it free when it becomes loose.

  3. 3

    Cut the pipe to fit your adaptor with your metal pipe cutter. This measurement will vary, depending on which adaptor you have. Measure the recommended cuts out exactly, mark them with a black permanent marker, and then measure again before cutting. If you cut too short, you may have no choice but to fix your exhaust at a professional repair shop.

  4. 4

    Put the two adaptor pieces together and slide them onto the pipe you just cut. When the two pieces of the adaptor are connected, one side will be longer. The longer side connects back underneath the car on the driver's side.

  5. 5

    Place the adaptors and pipe back in the proper position underneath the car. Secure the adaptors in place with U bolts, one on each side.

Tips and warnings

  • Always wear goggles when operating tools underneath a car. A metal pipe cutter can produce metal flakes that can injure your eyes.

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