1. Gather Your Tools:
* Flat-head screwdriver (preferably a plastic one to avoid scratching): This will be used to pry the wiper arm nut loose. A plastic or nylon screwdriver is preferred to reduce the risk of scratching the paint.
* Socket wrench (with the correct size socket): This is generally the better option, offering more leverage and control. You'll need to determine the correct size by looking at the nut under the wiper arm cap.
* Penetrating oil (optional but recommended): If the nut is particularly stubborn, penetrating oil (like PB Blaster) can help loosen it. Allow it to sit for 10-15 minutes after applying.
* Gloves (optional but recommended): To protect your hands.
* Shop towel or rag: To clean up any debris or oil.
2. Prepare the Wiper Arms:
* Turn off the ignition: This is crucial for safety.
* Park the vehicle on a level surface: This will help prevent the wiper arms from moving unexpectedly.
* Engage the parking brake: Again, for safety.
3. Remove the Wiper Arm:
* Locate the nut: Underneath the wiper arm cap (usually a small plastic cover), you'll find a nut securing the wiper arm to the wiper arm spindle.
* Remove the wiper arm cap (if present): Gently pry off the cap with your flat-head screwdriver. Sometimes these are just pushed on and can be removed by hand. Be gentle to avoid breaking it.
* Apply penetrating oil (if needed): Spray penetrating oil onto the nut if it's rusty or difficult to turn. Allow sufficient time for it to penetrate.
* Loosen the nut: Use your socket wrench or flat-head screwdriver to carefully loosen the nut, turning it counterclockwise. If using a flat-head screwdriver, be extremely careful not to slip and scratch the paint.
* Once the nut is loose: Continue to unscrew it by hand.
* Lift the wiper arm: With the nut removed, the wiper arm should lift off the spindle. You may need to gently wiggle or twist it.
4. Important Note on Wiper Arm Position:
* Before you remove the nut, note the position of the wiper arm: This is important to ensure proper reinstallation. You might want to mark the position on the windshield with masking tape. The wiper arms are usually installed on a specific position to avoid hitting the windshield cowl.
5. Reinstallation:
Reinstallation is simply the reverse of the removal process. Make sure the arm is seated correctly on the spindle before tightening the nut. Don't over-tighten the nut.
If you encounter difficulties:
* Check your tools: Make sure you're using the correct size socket.
* Use more penetrating oil: Allow more time for the oil to work.
* Consider professional help: If you're still having trouble, it's best to seek assistance from a qualified mechanic to avoid any damage to your vehicle.
Disclaimer: This guide provides general instructions. Specific procedures may vary slightly depending on your vehicle's condition and model year. Always consult your owner's manual for specific information related to your Lincoln Town Car. Improper removal or reinstallation can cause damage. If you are unsure about any step, consult a professional mechanic.
