Land Rover Discovery Problem Report

Land Rover Discovery Exhaust Leak Due to Loose Catalytic Converter Securing Nuts

(13 reports)

And exhaust leak may be caused by catalytic converter securing nuts coming loose.

I also had a exhaust leak. I determined it came from the passenger side and while removing the down pipe nuts near the catalytic converter I found that one was loose, the other broke off, and the third stud and nut was not installed at the factory! I replaced everything, the manifold gaskets and the down pipe gasket. -
this happened to me last week after a little offroading. one of the manifold to catconverter connection bolts completely gone. other two loose and small gap in the pipe caused it to sound like a monster truck. just got a 1/2" socket and tightened the other two back down now its whisper quiet like a new engine..piece of cake. took 2minutes once i found the problem -
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about how much does it cost to replace this? thanks :)