Expedition 2WD V8-4.6L SOHC VIN 6 (1999)
Muffler: Service and Repair
Removal
1. WARNING: The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension
vehicle. This can be accomplished by turning off the air suspension switch located in the RH kick panel area. Failure to do so may result
in unexpected inflation or deflation of the air springs which may result in shifting of the vehicle during these operations.
Raise and support the vehicle.
2. Remove the muffler to Three Way Catalytic Converter (TWC) pipe clamp.
1
Remove the clamp nuts.
2
Remove the clamp.
3. NOTE: The exhaust hanger insulators can be reused if they show no signs of damage.
Remove the exhaust hanger insulators and discard, if damaged.
4. Remove the tailpipe from the exhaust hanger insulator.
5. NOTE: It may be necessary to heat the TWC joint to ease removal.
