Hole at bottom of catalytic converter in the buick enclave

Asked by Oct 07, 2016 at 09:40 PM about the 2011 Buick Enclave CXL1

Question type: Maintenance & Repair

There is a black smoke deposit at the bottom of
my buick enclave 2011, and a small hole where the
black smoke deposits are. Is this normal?

2 Answers

950

It is normal on a muffler as they often put a hole so moisture will drain. The converter gets plenty hot and not sure that all converters have the water drain hole but unless it gets bigger, don't worry about it.

10

It is normal on my Enclave as well. Drains moisture.

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