I had the same problem and removed the balancer from the drive shaft this morning. I put the drive shaft back on, and drove the truck around all day, highway, city, stop and go, there were no problems, and the noise was gone, and I had no vibrations at all. So you should be fine if you remove the balancer.
This item if I am thinking right is on the rear at the differential and serves as a deflector for fluids and etc hitting it when you are off road so they don't get into the differential.
Throwout bearing is in the clutch in the transmission..
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Re: Driveshaft yoke balancer
Throw out bearing is what its called yes if this has been damaged in any way then you need new throw out bearing simple goto a machine shop this needs to pressed off and then press the new one on
if its loose then a replacement is needed if just bolts loose then just tighten back the bolts use a little thread locker not the permanent thread locker
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The harmonic balancer on these engines is now press fit onto the crankshaft and requires the use of Tool J-38197 for removal. The torque specification to be used during installation has also been revised. The procedure to be used when replacing the crank sensor is as follows:
Disconnect serpentine belt from crankshaft pulley.
Raise vehicle on hoist.
Remove right front tire and wheel assembly.
Remove right inner fender access cover.
Using 28 mm socket, remove crankshaft harmonic balancer retaining bolt.
Remove crankshaft harmonic balancer using Tool (J-38197).
Remove foreign object deflector (DO NOT use pry bar).
Disconnect sensor electrical connector.
Remove sensor and pedestal from block face.
Remove sensor from pedestal
Loosely install crankshaft sensor on pedestal.
Position sensor with pedestal attached on Tool J-37089.
Position tool on crankshaft.
Install bolts to hold pedestal to block face, torque to (18-26 lb. ft.).
Torque pedestal pinch bolt to (26-44 lbs. in.).
Remove Tool J-37089.
Install foreign object deflector.
Place Tool J-37089 on harmonic balancer and turn. If any vane of the harmonic balancer touches the tool, replace the balancer assembly.
Install balancer on crankshaft.
Apply thread sealer GM #(NNN) NNN-NNNNor equivalent to threads of crankshaft balancer bolt. Torque bolt to + 56 degrees (104 lb. ft. + 56 degrees).
Install inner fender shield.
Install tire and wheel assembly. Torque lug nuts to (104 lb. ft.).
You need to jack the back end up and place it on jack stands. then make a paint mark on the driveshaft and the rear end yoke, so when you put it back in, it will be "match marked" to the same spot. This is for proper balance. Then just unbolt the Ujoint from the rear yoke. Be sure to wrap something around the joint o the caps don't fall off the universal joint. Once it is loose from the rear end you can slide it out of the transmission. I would suggest covering the hole in the tranny also for transport. Some transmission fluid might come out of the rear when you remove the driveshaft.
I searched under 1997 lincoln continental and found this:
Driveshaft and U-Joints REMOVAL & INSTALLATION Town Car and Mark VII-VIII
Fig. 1: The bolts retaining the rear driveshaft yoke-to-differential flange require a 12mm, 12 point wrench or socket to loosen them
Fig. 2: Remove the bolts retaining the rear driveshaft yoke-to-differential flange
Fig. 3: Separate the driveshaft from the axle flange and . . .
Fig. 4: . . . disengage the driveshaft from the transmission output shaft
Fig. 5: Insert a plug onto the splines of the transmission output shaft to prevent fluid from leaking out
Raise and safely support the vehicle.
Mark the position of the driveshaft yoke on the axle companion flange so they can be reassembled in the same way to maintain balance.
Remove the flange bolts and disconnect the driveshaft from the axle companion flange.
Allow the rear of the driveshaft to drop down slightly.
Pull the driveshaft and slip yoke rearward until the yoke just clears the transmission extension housing seal. Mark the position of the slip yoke in relation to the transmission output shaft, then remove the driveshaft.
Plug the transmission to prevent fluid leakage.
Lubricate the yoke splines with suitable grease.
Remove the plug from the transmission and inspect the extension housing seal; replace if necessary.
Align the slip yoke and output shaft with the marks made at removal and install the yoke into the transmission extension housing. Be careful not to bottom the slip yoke hard against the transmission seal.
Rotate the axle flange, as necessary, to align the marks made during removal.
Install the driveshaft yoke to the axle flange. Install the bolts and tighten to 71–95 ft. lbs. (95–130 Nm).
There is a nut in the center of the balancer... loosening may require an "impact" or a sharp blow with a hammer to begin to loosen the nut. Once loose, you can use a harmonic balancer puller (rentable at a local rental yard) Since its a very tight fit you'll need the puller to persuade it loose from the crankshaft.... watch your knuckles...
this is for 2003 7.5 inch ring gear axle.
SECTION 205-02A: Rear Drive Axle/Differential — Ford 7.5-Inch Ring Gear 2003 Mustang Workshop Manual
IN-VEHICLE REPAIR Drive Pinion Flange and Drive Pinion Seal
Special Tool(s) 2-Jaw Puller
205-D072 (D97L-4221-A) or equivalent Holding Fixture, Drive Pinion Flange
205-126 (T78P-4851-A) Installer, Drive Pinion Flange
205-002 (TOOL-4858-E) or equivalent
Raise and support the vehicle.
Remove the rear wheel and tire assemblies.
CAUTION: Remove the rear brake calipers to prevent drag during the drive pinion bearing preload adjustment. CAUTION: Do not allow the calipers to hang from the brake hoses.
Remove the rear brake caliper and support bracket from the knuckle as an assembly. Wire the caliper and support bracket assembly out of the way.
CAUTION: Index-mark the driveshaft flange and pinion flange (4851) to maintain initial balance during installation. CAUTION: The driveshaft centering socket yoke fits tightly on the pinion flange pilot. Never hammer on the driveshaft or any of its components to disconnect the yoke from the flange. Pry only in the area shown, with a suitable tool, to disconnect the yoke from the flange.
Disconnect and position the driveshaft out of the way.
Install an Nm (inch/pound) torque wrench on the nut and record the torque necessary to maintain rotation of the drive pinion gear through several revolutions.
CAUTION: After removing the nut, discard it. Use a new nut for installation.
Use the special tool to hold the pinion flange while removing the nut.
Index-mark the pinion flange and drive pinion gear stem to maintain initial balance during installation.
Using the special tool, remove the pinion flange.
Inspect the pinion flange seal journal for rust, nicks, and scratches prior to installing the flange. Polish the seal journal with fine crocus cloth, if necessary.
Lubricate the pinion flange splines.
Use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.
NOTE: Disregard the index marks if installing a new pinion flange.
Position the pinion flange.
Using the special tools, install the pinion flange.
CAUTION: Do not under any circumstance loosen the nut to reduce preload. If it is necessary to reduce preload, install a new collapsible spacer (4662) and nut. CAUTION: Remove the special tool while taking preload readings with the Nm (inch/pound) torque wrench.
Tighten the nut to set the preload.
Rotate the drive pinion occasionally to make sure the differential pinion bearings (4630) (4621) seat correctly. Take frequent differential pinion bearing torque preload readings by rotating the drive pinion with a Nm (inch/pound) torque wrench.
If the preload recorded prior to disassembly is lower than the specification for used bearings, then tighten the nut to specification. If the preload recorded prior to disassembly is higher than the specification for used bearings, then tighten the nut to the original reading as recorded.
Refer to the torque specification for used differential pinion bearings in the Specifications portion of this section.
CAUTION: Align the index marks. CAUTION: Install the driveshaft with new bolts. If new bolts are not available, apply Threadlock and Sealer EOAZ-19554-AA or equivalent meeting Ford specification WSK-M2G351-A5 to the threads of the original bolts. CAUTION: The driveshaft centering socket yoke fits tightly on the pinion flange pilot. To make sure that the yoke seats squarely on the flange, tighten the bolts evenly in a cross pattern as shown.
Connect the driveshaft. .