Mechanics

CATALYTIC CONVERTERS

2005 Cadillac CTS • 6 cylinder 2WD Automatic • 105,000 miles

How do you change the catalytic converters on a 2005 cts, 3.6
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Cptzereo
July 15, 2011.




You drive it to the local exhaust shop and have them do it. You are not equipped for exhaust work as most shops aren't.

Wrenchtech
Jul 15, 2011.
Loosen the pipe from below. Remove the bolts that fasten the heat shields to the exhaust manifolds, position the shields aside as to access the upper 2 nuts and remove. The converters drop out of the bottom. If you need procedure and or illustrations, reply to this post.

Factoryjack
Jul 15, 2011.
How do I change the catalytic converter myself?

Tiny
Soleman79
Jun 6, 2012.
Refer to answer one posted a year ago.
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Wrenchtech
Jun 6, 2012.

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