Expedition 4WD V8-5.4L VIN 5 (2006)
Exhaust Pipe: Service and Repair
Exhaust Y-Pipe - Dual Catalytic Converter
Material
Removal
CAUTION: Do not use oil- or grease-based lubricants on isolators as they deteriorate the rubber.
NOTE: The exhaust Y-pipe-dual catalytic converter is a 2-piece assembly. The RH and LH converters can be serviced separately as needed.
Both RH and LH catalytic converters
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Disconnect the heated oxygen and catalyst monitor sensors.
3. NOTE: LH catalytic converter-to-exhaust manifold nuts shown, RH similar.
Remove and discard the catalytic converter-to-exhaust manifold nuts.
