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|Attachment Method:||Spined/Flange Nut|
|Wiper End Type:||Pin|
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Q:how to remove old wiper arm for a 89 olds ?
A:Instructions: 1. Inspect the wiper arm to determine what attachment method is used. There are three attachment methods. The first to be covered is a spring lever, the second example is spring pressure (older cars and trucks) and the last example is pressed on with a retaining nut. 2. Lift the arm and bend it ninety degrees. See the photo for an example. 3. Using a screwdriver move the spring nub out. 4. While holding the nub out, let the wiper arm down and it will lock into place about a quarter of an inch from the glass. You can lift the entire assembly off the car. To install, simply press the arm back on and slightly lift it so the nub goes back into the locking position. The first two photos were of a Ford Ranger. This photo is on a Chevy pickup. It's the same action mechanically, but it looks different. 5. Identify the type of wiper arm. A spring loaded arm used in the 1960's and 70's used spring pressure to hold the blade to the glass. If your car is older, and if you can lift/feel spring pressure with no release nub then you have one of these. See the photo of the 1963 Ford F100 Pickup. There is a windshield wiper arm removal tool next to it. 6. Hook one end of the windshield wiper arm removal tool over the base of the arm. Use the palm of your hand to control the tool. With your fingers, grasp and squeeze both the arm and tool so they come together. This removes the tension and you can wiggle the arm off. To reinstall it you reverse the process. Unload the spring pressure and press the arm into place. This method is tricky, and until you get the hang of it can be frustrating. The first time you do it right you'll wonder what all the fuss is about. Hang in there. If you see what looks like a plug or nut cover then you have a pressed on arm with a retaining nut. Go to the next step to learn how to take it off. 7. Using a flat tip screw driver, carefully pry off any plastic fittings on top of the wiper arm to expose the nut. Then, select the appropriate sized socket and remove the nut. Using a windshield wiper arm puller, or any small gear puller, remove the arm. If you don't have a puller, an angled pry bar will work as long as you are careful not to over exert. As a last resort, locate the spring joint and sharply rap it with a rubber mallet to loosen the arm. Installation is a breeze. Position the arm as you want it, put on the nut, and tighten it down. Do not over tighten. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.