Quote:
Originally Posted by oil pan 4
I have seen converters come loose and shake around in side the housing, but it makes a lot of rattling.
As an engine gets older it starts to send more oil through the exhaust due to worn rings and old or worn valve stem seals.
The detergent and anti ware additives will ash up the converter.
Cleaning will have to be more done more frequently until the engine is rebuilt.
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Yeah. That kind of failure. But it will be relatively rare. That's not the life cycle of most CATs!