How do you adjust a windshield wiper on Ford Crown Vic to make better contact with the glass?

Adjusting Ford Crown Victoria windshield wipers for better contact usually involves adjusting the wiper arms themselves, not the blades (unless the blades are worn and need replacing – that's a separate issue). There's no fine-tuning adjustment screw like some cars have. The adjustment is more about the arm's position on the wiper pivot point.

Here's what you can try:

1. Check for Obstructions: Before adjusting anything, ensure nothing is preventing proper contact, like debris, ice, or a damaged wiper blade. Replace worn or damaged wiper blades first.

2. Inspect the Wiper Arm: Carefully examine the wiper arm for any looseness or damage at the pivot point where it attaches to the wiper transmission. If it's loose or damaged, it needs professional repair or replacement.

3. Visual Inspection of Wiper Contact: With the wipers in the "rest" position, visually inspect how the blades contact the windshield. Are they making even contact along the entire length? If not, you may need to adjust the arm's position.

4. Arm Adjustment (Limited): The Crown Vic wiper arms have limited adjustability. You might be able to slightly change the pressure of the blade against the glass by manipulating the arm's position *at the pivot point*. This is a delicate process and requires careful observation. A slight shift, perhaps a fraction of an inch, might help. However, proceed with caution, as excessive force could damage the wiper mechanism.

5. Wiper Linkage: If visual inspection reveals issues with wiper arm position, it *might* indicate a problem with the wiper linkage itself. This requires more in-depth mechanical knowledge and likely professional attention to adjust or repair.

Important Considerations:

* Force is your enemy: Don't force anything. If you can't easily adjust the arm, don't try to.

* Professional Help: If you're uncomfortable working on your car's wiper system, it's best to take it to a qualified mechanic. Incorrect adjustment could lead to further damage.

* Wiper Blades: Make sure your wiper blades are in good condition. Cracked, worn, or improperly installed blades are a major cause of poor wiper performance, even if the arms are correctly adjusted.

The Crown Vic's wiper system isn't designed for significant user adjustment. If adjusting the arms doesn't solve the problem, the issue is likely with the blades themselves, the wiper linkage, or the wiper motor.