The muffler decreases vehicle cacophony.
Without mufflers in the exhaust method, machine and Motor lorry engines are incredibly booming, largely on larger vehicles. The 1999 Ford Expedition was offered with two contrasting engine options, both of which are ear-splitting V8s. While mufflers seldom fail, they can rust away over chronology in areas of flying precipitate and snowfall. Your Expedition Testament be boisterous provided the muffler is damaged by rust. Authorize the vehicle to chilling completely before working on the exhaust.
Instructions
1. If you are having difficulty sliding the hanger studs through the dry hangers, spray some penetrating oil into the hangers and then pry them through with the channel locks.5. Insert the mounting bolts through the flanges that connect the muffler/pipe assembly to remainder of the exhaust and tighten the bolts down with the socket set. When done, lower the Expedition of the jack stands.
Climb under the Expedition with the socket allot and unbolt the muffler/pip meeting from the exhaust manner. The bolts may be rusted in accommodation, in which process you Testament charge to spray them liberally with penetrating oil and avow the oil to soak in for 15 to 20 minutes before trying to remove the bolts with the socket place once again.
3. Slide the muffler/conduit meeting's exhaust hanger studs gone of the rubber exhaust hangers and move the old assembly out from under the Expedition. You may need to use the large channel locks to push the stud out of the rubber hanger by placing one jaw of the channel lock on the top of the stud and the other on the rubber hanger.
4. Move the new muffler/pipe assembly into position and push the hanger studs through the rubber hangers. Chock the front wheels to prevent the Expedition from rolling absent and position the floor jack under the rear differential. Jack the rear speck up and situate the jack stands under the rear axle, outside by the page springs. Lower the vehicle onto the jack stands and remove the floor jack.2.
