OTUAYAUTO Battery Terminal and Wiper Arm Puller

This is a life saver when trying to get off old windshield wiper arms! I have used it twice, didn’t think I would use it after the first time, good to have. It’s very durable, handy, great price. Fits most wipers to pry them off easily and effortlessly.

This worked great to help replace a rear wiper arm.

Excellent tool. Very reasonably priced. Precision made. Removed wiper arm in less than 1 minute with no fuss. Hint: Always squirt penetrating oil to the wiper shaft after removing the retainer nut. Let it soak in, and removal will be quick and easy.

Windshield wiper arms were stuck after years of not being touched. Decided to not damage the wiper mechanism with any kind of hammering or off-axis force, and instead ordered this proper-looking tool.The tool is somewhat flimsy but high quality enough considering the price. It was relatively easy to get aligned straight and for proper arm width. Unfortunately, the small handle cannot be turned with enough force to remove the wiper arms by hand -- being able to use a nut would be a great improvement.However, it turned out that using some penetrant spray and leaving the tool tightened (under tension) for a couple of minutes popped the wiper arms off without having to apply more force.Overall, a great investment and got the job done. The tool itself survived without bending or being damaged. Maybe a good idea to place a towel on the windshield to prevent damage, in case the tool decides to jump, and some tape on the "hooks" to prevent marring the wiper arms.

This is a great tool for the do-it-yourselfer or weekend mechanics. A+. I actually used this for the first time to remove a pulley shaft from a lawnmower. So it was WAY under-rated for the job, and I do not recommend the average person using this. However, it worked like a dream. I has to adjust the bolt a few times to get proper clearance, but I was able to loosen it up enough to get it it off. I was amazed the arms held up. I tried it on my batteries for some cleaning and the terminals came off super smooth. Great for the first time puller buyer, but as I said, don't get it if you need on for daily use or for your profession. Remember, you can use a hammer for a LIGHT tap on what you are pulling to loosen it up. I will be buying another one and keeping the pullers in my car kits. With a little practice, you will get the hang of it. And yes, I will be buying another one.

Tool is well made and able to remove stubborn BMW wiper arms that were on for 10 years! The only weak spot in the design is the cross pin you torque down to apply pressure. They should redesign with a hex nut instead so you can attach a ratchet, a socket or wrench. First I sprayed penetrating oil and let it sit a few minutes to soak into the splines. Next I had tightened it down to where it was about to bend the cross pin, but stopped for a minute to get a vice grip pliar for better grip. Just then the wiper arm popped off from the pressure. In the end, nothing got bent or broken and I was happy. Just take your time with the tool and she'll work.

When leaving reviews, I tend to start with all stars and work backwards if I encounter issues. Vendors and manufacturers work hard, and I like to give them benefit of the doubt.But, this Battery Terminal/Wiper Arm Puller might be better suited for the former, not the latter. Admittedly, I had a very stubborn, driver's side wiper that had been mounted for over 10 years. The problem was what others have noted, which is that the relatively thin rod at the top cannot easily be grasped with any significant torque when twisting. I needed to use pliers. But even then, the metal tabs at the bottom of the tool, which grasp the item to be lifted, just started to bend upwards.I had read the reviews and was somewhat prepared for this, so I had used penetrating oil the previous day, plus some light hammer shocks to the wiper bolt, along with some rocking of the wiper. Frankly, I gave up...twice. Faced with the prospect of returning the puller and not having got the job done, I tried one last time, virtually bottoming the thread out and maxing the tool's range. You could see it was flexed. I actually went inside to get eye protection, because the force on the wiper arm was significant and I did not want the tool or wiper arm flying off in my face. Despite all of this, the wiper arm still did not remove until I did some more aggressive rocking of the arm back and forth, and suddenly a loud pop/bang as it removed. You could hear the sound echo off of nearby buildings.In the end, the tool worked. However, I'd be reluctant to remove a wiper arm this way again. There is some danger of personal injury to your face and hands if you are too close to the wiper arm and tool when it pops off.Another reviewer welded a 1/4" socket to the threaded bolt, which is how this tool should have been made. That, and the bottom metal tabs should not flex they way they do.Perhaps some of you will not have so stubborn a wiper to remove. Perhaps using a heat gun/cooling spray would help loosen the joint. However, without using the penetrating oil, and without going three tries with increasing amounts of force on the tool, I'm not sure this would have worked.I live in a sunny climate without road spray or any degree of road contaminants like salt. Inspection of the wiper arm after removal showed the expected light film of minerals, but it was generally very clean.

Worked well to pull the rear wiper arm off a 2018 Toyota Rav-4.