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Servicing the wipers
It may be necessary to move the wiper arms and blades higher on the windshield before attempting to replace the arms, blades or refills.
Turn the ignition switch on first, and then turn the wiper switch on. When the wipers are in their farthest point of their arc, turn the ignition switch off. Mark the position of the arms so that the replacement will be installed in the same location as the original.
Element (refill) care and replacement
See Figures 12 through 18
For maximum effectiveness and longest element life, the windshield and wiper blades should be kept clean. Dirt, tree sap, road tar and so on will cause streaking, smearing and blade deterioration if left on the glass. It is advisable to wash the windshield carefully with a commercial glass cleaner at least once a month. Wipe off the rubber blades with the wet rag afterwards. Do not attempt to move wipers across the windshield by hand; damage to the motor and drive mechanism will result.
To inspect and/or replace the wiper blade elements, place the wiper switch in the LOW speed position and the ignition switch in the ACC position. When the wiper blades are approximately vertical on the windshield, turn the ignition switch to OFF.
Examine the wiper blade elements. If they are found to be cracked, broken or torn, they should be replaced immediately. Replacement intervals will vary with usage, although ozone deterioration usually limits element life to about one year. If the wiper pattern is smeared or streaked, or if the blade chatters across the glass, the elements should be replaced. It is easiest and most sensible to replace the elements in pairs.
If your car is equipped with aftermarket blades, there are several different types of refills and your car might have any kind. Aftermarket blades and arms rarely use the exact same type blade or refill as the original equipment. Here are some typical aftermarket blades; not all may be available for your car:
The Anco® type uses a release button that is pushed down to allow the refill to slide out of the yoke jaws. The new refill slides back into the frame and locks in place.
Some Trico® refills are removed by locating where the metal backing strip or the refill is wider. Insert a small screwdriver blade between the frame and metal backing strip. Press down to release the refill from the retaining tab.
Other types of Trico® refills have two metal tabs which are unlocked by squeezing them together. The rubber filler can then be withdrawn from the frame jaws. A new refill is installed by inserting the refill into the front frame jaws and sliding it rearward to engage the remaining frame jaws. There are usually four jaws; be certain when installing that the refill is engaged in all of them. At the end of its travel, the tabs will lock into place on the front jaws of the wiper blade frame.
Another type of refill is made from polycarbonate. The refill has a simple locking device at one end which flexes downward out of the groove into which the jaws of the holder fit, allowing easy release. By sliding the new refill through all the jaws and pushing through the slight resistance when it reaches the end of its travel, the refill will lock into position.
To replace the Tridon® refill, it is necessary to remove the wiper blade. This refill has a plastic backing strip with a notch about 1 in. (25mm) from the end. Hold the blade (frame) on a hard surface so that the frame is tightly bowed. Grip the tip of the backing strip and pull up while twisting counterclockwise. The backing strip will snap out of the retaining tab. Do this for the remaining tabs until the refill is free of the blade. The length of these refills is molded into the end and they should be replaced with identical types.
Because there are many different brands of wiper refills, not every type is specified here. Keep in mind that most types of refills are similar, and replacement usually just requires unfastening any retainers to free the element, then removing it from the wiper arm. During installation, place the new wiper element on the arm and secure it properly. Regardless of the type of refill used, be sure to follow the part manufacturer's instructions closely. Make sure that all of the frame jaws are engaged as the refill is pushed into place and locked. If the metal blade holder and frame are allowed to touch the glass during wiper operation, the glass could be scratched.
Press down on the arm to unlatch the top stud. Depress the tab on the saddle and pull the blade from the arm. When installing the blade, the locking studs should snap into place.
Press inward on the tab and pull the blade from the arm. To install, slide the blade into the arm so that the locking studs snap into place.
Insert a screwdriver into the spring release opening of the blade saddle and depress the spring clip. Pull the blade from the arm. To install, push the blade saddle onto the mounting pin so that the spring clip engages the pin. Be sure that the blade is securely attached to the arm.
Numerous universal blades and adapters have been provided to install other than the original equipment wiper blades.
To install the universal type, push the blade adapter onto the arm until the lugs click into place. Push the blade onto the adapter until the locking lugs click closed. To remove the adapter from the blade, a tab is provided as in the Anco® bayonet type and by pressing on the tab, the adapter can be pulled from the arm.
