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Floor jacks are a great shop tool or lifting vehicles or lifting the engine slightly so a motor mount can be replaced. One wear item in any floor jack is the U-joint which transfers the twisting action from the jack handle to release hydraulic pressure or seal it to allow the jack to be pumped up. Over time, U-joints can wear out, causing binding or even breakage, obviously this could make the jack unusable, but you probably already know that! If you own a 2 to 3-ton capacity floor jack such …

Wise Auto Tools: Along with other makes, I've worked on BMW's at Carmax, when I worked first as a reconditioning tech and then later as a retail tech. To beat the book time, I used an air chisel sometimes to help remove old control arm and trailing arm bushings without removing the arms completely from the car. You have to be really careful not to damage the new bushings when installing them. There's also a risk of marring the surface that the bushings press into, especially when using a crude m …