Escape 2WD L4-2.5L (2009)
Catalytic Converter: Service and Repair
Catalytic Converter - Underbody
Catalytic Converter - Underbody
Removal
NOTICE: Do not use oil or grease-based lubricants on the insulators. They may cause deterioration of the rubber.
NOTICE: Oil or grease-based lubricants on the insulators may cause the exhaust hanger insulator to separate from the exhaust hanger bracket
during vehicle operation.
NOTE: The production catalytic converter and muffler assembly is a one-piece construction. The service catalytic converter and muffler is a 2-piece
construction.
NOTE: If replacement is not required, the production catalytic converter and muffler assembly can be removed and installed as one piece. It is only
necessary to cut the production exhaust to enable the service section to be fitted. Before cutting any part of the exhaust system, check that the position of
the cut is correct in comparison to the service section being installed.
All vehicles
1. With the vehicle in NEUTRAL, position it on a hoist.
2.5L vehicles
2. Disconnect the Catalyst Monitor Sensor (CMS) electrical connector.
All vehicles
3. NOTICE: Only use hand tools when removing or installing the spring nuts or damage may occur to the exhaust intermediate
pipe/exhaust Y-pipe flange studs.
NOTE: When loosening the exhaust intermediate pipe/exhaust Y-pipe spring nuts, alternately loosen the nuts from side to side.
Remove and discard the two 10-mm exhaust catalytic converter-to-exhaust intermediate pipe/exhaust Y-pipe spring nuts.
4. NOTICE: Only use hand tools when removing or installing the spring nuts or damage may occur to the resonator flange studs.
NOTE: When loosening the resonator spring nuts, alternately loosen the nuts from side to side.
Remove and discard the two 8-mm resonator-to-muffler spring nuts.
5. NOTICE: Remove the gaskets by simultaneously pulling up and twisting the gasket on the pipe. Do not pry under the gasket or damage
to the flange may occur.
Detach the 3 exhaust hangers and remove the catalytic converter and muffler assembly.
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Remove and discard the gaskets.
2.5L vehicles
6. Cut the exhaust system as indicated in illustration.
