I am the man who posted the question> I did do more research on this issue and have found out that Chevrolet does have an emissions warranty that will cover the cost of replacement when still in coverage period which is 8/80k 8 eight years or less or 80k miles or less which ever comes first.
You will have to remove the transmission. That is not a job for a novice. You need to take it to a repair shop and let them diagnosis and repair it.
No, there is no repair if it it clogged. Replace it.
cant repair a Catalytic converter only replace at a muffler shop
You will have to replace it.
You don't. They are replaced when damaged or defective
If a catalytic converter is indeed bad, it's far more cost-effective to replace it rather than try to repair it
I recommend you have this done by a qualified exhaust system repair shop. Make sure the catalytic converter is defective before you replace it, as they are very expensive.
You should repair it as soon as possible because it can cause the catalytic converter or oxygen sensors to go bad. Then you are spending money you could have saved.
pound them out,and replace them with new ones
Replacing a catalytic converter on a 99TL can be tricky, however it can be a fun project if you have the right tools. Make a check list, and include the cars repair manual if you have one available, and this will help you get everything in order to make the repair.
You can't repair it. It must be replaced.You can't repair it. It must be replaced.
How much it will cost to repair a catalytic converter in a 2005 Nissan will vary. Some factors that can influence price are the price of the part itself, and the price of the labor charged by your chosen mechanic. This could be anywhere from $100 to $800.