DeVille DTS V8-4.6L VIN 9 (2002)
5.
Remove the 2 bolts securing the center exhaust hangers to the rear suspension support brackets.
6.
Remove the catalytic converter from the rear exhaust manifold pipe.
7.
Remove the catalytic converter gasket and discard the gasket.
Important:
Use care not to overextend the heated oxygen sensor pigtail.
8.
Lower the exhaust system with the adjustable jack to allow clearance for the cut-off tool.
Important:
Ensure the cut is made on the catalytic converter side of the pipe.
9.
Cut (2) the catalytic converter (3) from the resonator inlet pipe (1) ahead of the step but as close to the step as the tool will permit.
10.
Remove and properly discard the catalytic converter.
Important:
a. DO NOT REPLACE the following complete exhaust systems when replacing the catalytic converter.
^ 25727006
^ 88959335
^ 88959334
^ 25727009
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b. Ensure the catalytic converter heat shield is upward. The "honeycomb" side faces downward.
11.
Slide the new catalytic converter, P/N 25755681 onto the resonator inlet pipe until it is fully seated against the heated oxygen sensor boss.
12.
Install a new exhaust seal, P/N 03544534, on the four studs.
13.
Install the converter onto the rear exhaust manifold pipe.
