2000 Nissan Altima Catalytic Converter

Tiny
BOGDAN530
  • MEMBER
  • 2000 NISSAN ALTIMA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 126,000 MILES
I am having a problem with the Catalytic Converter that is near the engine breaking just above the lower flange. I have had two of these failures in six months. I took the car to nissan to check the motor mounts and exhaust system and they could not find any problem with the car, or any reason for this repeat failure. The two catalytic converter replacements were made with after market parts and not official Nissan parts. Thanks for your advice.
Saturday, May 3rd, 2008 AT 6:40 AM

1 Reply

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Your gonna need a flex pipe, just as the exhaust manifold pipe starts to turn to go underneath the car. Because the engine torques up and down alot even with new mounts, and if the pipe is not able to flex, then it will continue to crack.
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Saturday, May 3rd, 2008 AT 1:56 PM

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