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So the fly wheel is missing some teeth and needs to be changed on my moms 2000 Expedition. Could anyone tell me what all I need to do to change it? I know its a lot of work and its gonna be tough but I need to know! Thanks!
You will need to drop the tranny to get acces to the fly wheel. Which means removing the drive shaft, starter motor, any linkages, and wires. I am guessing this is a automatic, so there will be a torque conveter bolted up to the fly wheel or flex plate for automatics. The torque converter will contain tranny fluid so this can get messy as you take it off. The fly wheel will not be a solid fly wheel like you would find on a manual transmission which uses this as the clutch friction surface. There is probably 5 to 6 bolts that hold the flywheel on. I believe they recommend changing the mounting bolts to make sure they are not prestressed.
Using a floor jack with a transmission adapter will make it a lot easier to getting the tranny in and out. Harborfreight sells them for about $40, if you already have a floor jack. Make sure you do this safey- us jack stands or wheel ramps to support the car not jacks.
If it were me I would pull the engine up and forward a few inches. That might be less work than pulling the t-case and tranny.
uh, about that...
Moving the engine forward is a huge pain in the keister. A tranny jack will make quick work of removing the transfer case and then simply sliding the transmission back. If you are going to pull the engine up and forward there is a HECK of a lot of stuff that needs to be removed/disconnected.
The big PITA in removing the t-case is having to unload the torsion bar to remove the torsion bar mount. Sometimes that doesn't go too well.
Maybe the exhaust and the fan have to be disconnected, but most everything else seems to have enough slack to allow for the engine to move a few inches. He could always unbolt the motor mounts from the block so that the engine can be slid forward without having to lift it much.