How to Replace a Catalytic Converter

Below guide will teach you How to Replace a Catalytic Converter. Please follow the instructions carefully.

Things You’ll Need:

  • Combination Wrench Set
  • Mallet Hammer
  • Socket Extension Set
  • Socket and Ratchet Set
  • Jack Stand Set
  • Catalytic Converter

Estimated Costs:

  • DIY Costs: Est. $88.11 parts only
  • Shop Costs: Est. $302.41 parts and labor


  • Life the vehicle with the help of floor jack and secure the vehicle on jack stands.
  • Look for the catalytic converter.
  • Take a rubber mallet and rap lightly on the catalytic converter. Observe the sound. If the noise heard is same, a catalytic converter needs to be replaced.
  • Take the catalytic converter out by unbolting holding clamps.
  • Wipe off any debris and dust from the mounting surfaces.
  • Take the burrs off from the metal pipes so that the new converter glides on them easily.
  • Put the burrs back and secure the new converter to the metal pipes with clamps.

Tips & Warning

  • Always use Personal Protective Equipment (PPE) to prevent injuries while working on your vehicle such as safety goggles, latex gloves, and closed toe shoes.

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Further Reading

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