Econoline E150 1/2 Ton V8-5.4L SOHC VIN L (1999)
Catalytic Converter: Service and Repair
Removal
1. Raise the vehicle.
2. Disconnect the heated oxygen sensor electrical connectors.
3. Remove the LH and RH nuts.
4. If only one TWC is being replaced, remove the clamp and exhaust hanger assembly.
5. NOTE: It may be necessary to heat the LH/RH TWC joint to ease removal.
Separate the LH and RH Three-Way Catalytic Converters (TWC).
