Band Adjustment on 1990 Lincoln Town Car Transmission
Introduction
The transmission bands on a 1990 Lincoln Town Car are used to engage and disengage the gears. Over time, these bands can stretch or wear out, which can lead to transmission problems. In some cases, it may be necessary to adjust the bands to restore proper transmission function.
Tools and Materials
* 10mm socket wrench
* 13mm socket wrench
* 15mm socket wrench
* 17mm socket wrench
* 19mm socket wrench
* 22mm socket wrench
* 3/8-inch ratchet
* 3/8-inch breaker bar
* Torque wrench
* In-lb torque adapter
* Transmission fluid
* Rags
Safety Precautions
* Park the vehicle on a level surface and engage the parking brake.
* Allow the engine to cool before starting the work.
* Wear safety glasses and gloves when working with the transmission.
* Do not smoke or have any open flames near the vehicle.
Procedure
1. Remove the transmission pan.
* Place a drain pan under the transmission pan.
* Use a 10mm socket wrench to remove the bolts that hold the transmission pan in place.
* Carefully remove the transmission pan.
* Allow the transmission fluid to drain into the drain pan.
2. Inspect the transmission pan and filter.
* Check the transmission pan for any signs of metal shavings or debris.
* If there is any metal shavings or debris, it may indicate a transmission problem.
* Remove the transmission filter and inspect it for any signs of wear or damage.
* If the transmission filter is damaged or worn, it should be replaced.
3. Adjust the transmission bands.
* Use a 13mm socket wrench to remove the bolts that hold the transmission band adjustment cover in place.
* Remove the transmission band adjustment cover.
* Use a 15mm socket wrench to turn the transmission band adjustment screw clockwise to tighten the band.
* Turn the transmission band adjustment screw counterclockwise to loosen the band.
* The transmission band should be adjusted to the following specifications:
* Intermediate band: 12 in-lb
* Low-reverse band: 10 in-lb
4. Install the transmission band adjustment cover.
* Replace the transmission band adjustment cover and tighten the bolts to 10 ft-lb.
5. Install the transmission pan.
* Replace the transmission pan gasket if necessary.
* Install the transmission pan and tighten the bolts to 10 ft-lb.
6. Add transmission fluid.
* Add transmission fluid to the transmission until the fluid level is at the “Full” mark on the dipstick.
* Start the engine and allow it to run for a few minutes.
* Shift the transmission through all of the gears.
* Check the transmission fluid level again and add fluid as necessary.
7. Road test the vehicle.
* Drive the vehicle for a few miles and check for any signs of transmission problems.
* If there are any transmission problems, it may be necessary to adjust the transmission bands again.
Conclusion
Adjusting the transmission bands on a 1990 Lincoln Town Car is a relatively simple procedure that can be performed in about an hour. However, it is important to note that this procedure should only be performed by someone who is familiar with working on transmissions. If you are not comfortable working on transmissions, it is best to have a qualified mechanic perform the adjustment.
