Ford 2003 Mustang Workshop Manual page 2951

SECTION 309-00: Exhaust System
REMOVAL AND INSTALLATION
Dual Converter H-Pipe —4.6L (2V and 4V)
Removal
NOTE: The RH and LH catalytic converters are serviced separately.
1. Raise and support the vehicle. For additional information, refer to
2. CAUTION: When repairing exhaust system or removing the exhaust components,
disconnect all heated oxygen sensors (HO2S) (9F472) at the wiring connectors to prevent
damage to the heated oxygen sensors and wiring harness.
Disconnect the downstream RH and LH heated oxygen sensor connectors (9F472).
3. Disconnect the two upstream RH and LH catalyst monitor sensor connectors.
4. Remove the dual converter assembly nuts. (RH shown, LH similar.)
2003 Mustang Workshop Manual
Section 100-02 .