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Re: Differential Torque settings for 2003 Town Car
New cylinder head bolts are required and an angle guage,or you can make one up with card and a set square. Head bolt torque is 25Nm(newton metres)+60degrees + 60deg + 60 deg so it's a four step process.Con.rod bolts(big-end)28Nm,Inlet manifold 28Nm,Exhaust manifold 25Nm, Crank pulley 40Nm,Sump 5Nm and use locking compound (loctite)Timing cover 6Nm. Valve clearance,set inlets to .006" and ehausts to .010"(set approx.when cold then re-adjust while warmed engine is idling.
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The Enhanced Traction System (ETS) is designed to limit wheel slip during acceleration. This objective is accomplished by cutting fuel to selected cylinders, retarding spark and upshifting the transmission. The EBCM monitors wheel speed slip through the ABS wheel speed sensors and determines the desired torque reduction needed to minimize wheel spin.
the wheel speed sensor may be bad
The differential will have a plug in the driver's side of the housing that is removed with a 3/8" drive ratchet or square drive. Be sure you know what type of fluid is recommended for your vehicle. It will depend on whether it is a locking differential or standard.
You have to remove the differential housing cover.
Then turn the center housing until you can see the 5/16 bolt that holds the center pin that goes thru the spider and axle gears.
Remove the bolt and center pin,be careful that the gears stay in place.
Then push in on the axles to expose the c-clips on the end of the axles and remove the c-clip.
Then remove the axle.
if you need to change the axle seals here is the process. You need to remove the rear wheels. Remove the brake drums if so equipped. Remove the rear cover on the differential. Turn the differential until you find the bolt that holds the cross shaft in place. Remove the bolt and pull the cross shaft out. Then you will see the axle ends. Push the axle in towards the center of the axle. You will need to remove a C clip retainer from the axle end. You can then remove the axle and gain access to the seal. Repeat the process on the opposite side. Then reverse the disassembly process. Place the cover back onto the differential housing and refill the differential. Good luck.