A badly corroded muffler can leak exhaust and cause health and environmental hazards. You Testament devoir to remove the muffler for replacement, or whether you get to commission on any other components of the exhaust action. The muffler is mounted to the reason over brackets, and removing it on the 1999 Forrd Expedition is all the more love on any vehicle.4. Unscrew and remove the fasteners connecting the muffler to its mounting brackets while a second person supports the muffler at the flange end.5. Lower and remove the muffler out of the mounting brackets and off of the Expedition.
Uplift the vehicle on its rear edge using a floor jack. Lower it onto jack stands for abutment.
2. Apply penetrating oil to all of the muffler's mounting fasteners and wait for it to settle in.
3. Remove the nuts connecting the muffler flange to remainder of the exhaust system, using a wrench.
Don't remove the muffler until the exhaust system is chilly.
