Always keep the windshield clear from dust and other contamination. For that, clear it thoroughly with any one of the following products:

Dip a soft cotton cloth in vinegar and wipe the windshield gently to remove all the accumulated dirt.

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Damp the dry powder on paper towel and wipe the windshield to clear all the contamination.

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Dip a soft cotton cloth into the chemical and wipe the windshield carefully to remove the dirt.

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Ensure that you replace the wiper blade refills regularly, at least once in a year, every time before the rainy season arrives. This is not an expensive maintenance and so you can you can prefer doing it instead of getting irritated with squeaks.

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Ensure that the windshield wiper fluid is at appropriate levels or else they might end up in skipping, thus creating squeaks.

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Ensure that the windshield wiper blades are soft. Maintain them to be free from either moisture or dryness. In either case, the rubber gets damaged, thus squeaking while wiping the windshield.

To make the wiper blades softer while being free from dust and other contaminants, clean the blades with any one the following chemicals:

Ensure that you do not over use chemicals like WD-40 as it is a petroleum based chemical. Such chemicals when over used will eat away the rubber, thus crumbling and damaging them.

Also, do not use them frequently, as it might dry the rubber, leaving it brittle. Therefore, the rubber loses its softness and might tear. Instead, try using rubbing alcohol as an alternative to WD-40 as it is comparatively milder and does not damage the wiper blades.

Ensure that the wiper assembly is properly fixed to be neither too lose or too tight. Or else, the wipes might end up in squeaking.

Ensure that the wiper blades are free from Rain-X or wax, as they can create a layer while wiping, thus squeaking.

When the wipers age out, replace the complete wiper assembly. This is because, with time, trauma and use, the assemblies that hold the wiper refills can get displaced from the actual position.

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Also, the rubber of the wipers can be torn out as it ages, to no longer adapt to the contours of the windshield.In such situations, you have no choice other than replacing the complete assembly with new one.

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Before you start to remove the wiper assembly, first mark its position on the windshield with a soap bar or wax. This loosens the wiper arm.

Next step is to remove the wiper assembly. This completely depends on the type of fixing.

Removing Bolt On Model

• Direct the wiper arm away from the point of its base attachment. If necessary, open the hood.

• Choose appropriate socket that matches with the hex nut size.

• Now, place the ratchet on the hex nut.

• Position yourself to a point from where you can have best access to work with the hex nut.

• Move the ratchet in a direction that spins the hex nut in counter clock wise direction so that it loosens.

• Ensure that the linkage does not cross the limit of the designed range of motion while you twist the ratchet. For this, hold the wiper arm steadily with one hand, while accessing the ratchet and hex nut with the other hand.

• Make one or two turns with the ratchet and you will observe that the hex nut loosens.

• Now keep the ratchet aside and use your fingers to loosen the hex nut completely and keep it aside for using it again while fixing back the wiper assembly.

• Be careful while trying to take the assembly off from the attached position. Ensure that you do it gently, or else the threading might lose its shape.

Removing Clip On Model

• Direct the wiper arm away from the point of its base attachment. If necessary, open the hood.

• Examine the base sides that are positioned to be near the bottom of the main projection of the wiper assembly.

• Find a screwdriver that possesses the tip of a suitable size.

• Position the screwdriver between the flange and the base.

• If you want to safeguard the finish, try to place a small piece of cardboard between the base and the screwdriver.

• Now, pry the screw driver accordingly so that gap is created at the junction where the flange and base are attached.

• Once it is loose, try to use fingers or tools like screwdriver or pliers to further increase the gap. Do this until the gap reaches to a size of 1/4^th to 3/8^th of an inch.

• Be careful while trying to take the assembly off from the attached position. Ensure that you do it gently, or else the threading might lose its shape.

Removing The Wiper Assemblies That Neither Use Bolts Nor Clips

• Inspect the hinge that is near the point where wiper arm is fixed.

• Find the hole that exists on each side of the wiper arm, next to the hinge pin.

• Direct the wiper arm completely towards up and away from the windshield.

• Place a thin steel pin in any one of the available holes of the wiper arm such that it appears on the other side of the arm.

• Now, while the pin stays in the hole, release the upward directed wiper arms such that it rests on the pin.

• Gently rock the wiper arm in upward and downward directions until the attachment is off the joint.

Now that you removed the wiper assembly from the attached junction based on the fixed method, now clear the drive post from rust, debris and other contamination’s by making use of a wired brush.

Apply one or two drops of a light lubricant so enable smooth motion of the wiper arms.

Fix the wiper arms back in reverse direction in accordance with the fixing method.

Get a perfect model of the windshield that matches with that of your vehicle. You can directly get a brand new one or obtain one from a wrecker’s yard.

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If it is a second handed product then, you need to carry it with lots of cushioning so that the glass does not crack. A second hand windshield contains already used urethane bead, which needs to be trimmed to about 1mm in depth by using a razor blade.

As a second step, remove the plastic that surrounds the shield and the top moldings properly. Keep the existing clips as they are, as they are just the moldings.

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All you need to do is to glue the molding as you are not using any replacement clips. This way, you not only save time in fixing new clips, but also save money for the clips.

As a third step, remove the urethane (adhesive) that exists between the glass and the pinch weld, by using a cold knife. Depending on the strength and the amount of urethane, and the experience levels of the person, it might take a minimum of 15 minutes to a maximum of 1 hour.

As a fourth step, now that the glass is clear from urethane, prepare the pinch weld. Ensure that all the dirt is cleaned. Dust it with a soft brush, and then clean with plain water. Trim the old adhesive to be 3mm thick and repair the loose and rusty areas of urethane.

As a fifth step, get the primer that matches the urethane adhesive so that the glass will accept the urethane molecules. Once the glass is activated, the molding is first glued to the glass and then the urethane is first glued to the glass and then the urethane.

The sixth step is to apply the urethane. You can apply it by using an electric proof gun. Adhere the old urethane while applying the new one and ensure that it is clean from dirt or any other fragments.

The last step is to position the windshield carefully by considering the surrounding sides with complete concentration. Once fixed, ensure that you do not touch the frame band or else you may end up with contaminating it with dirt and oils that are already present in your hand. This can reduce the performance of the activator.To avoid this, best practice is to use gloves.