![]() Place a wrench on the lower portion of the threaded puller assembly and a ratchet at the top of the threaded shaft. At this point, the puller’s shaft is bottomed out in the hole in the pump shaft. Hold the lower part of the threaded assembly and screw the upper section into the pulley until you feel resistance. This will keep them from separating under tension once you apply some muscle to the puller. Slide the collar retaining ring over the two collar halves. Pick the one that most closely matches the pulley. The collars are sized for two different shaft diameters. The shaft on my puller has a greased ball bearing at the end of it to allow easier turning of the puller.Īfter the threaded puller is in position, slide the two collars around the shoulder of the pulley shaft. Pulley remove starts by inserting the shaft of the threaded puller into the hole of the pump shaft. Depending on the manufacturer, the parts may vary slightly, but they are all pretty much the same. The puller consists of three basic parts, a split collar (left), the threaded puller assembly (center), and the collar retaining ring (right). A conventional 3 or 4 jaw puller would not work as it would most likely distort/bend the pulley and cause a wobble which would result in belt wear. ![]() To remove the pulley from the shaft, a puller is used. The power steering pulley is held on the the pump shaft with friction, a simple press fit. So….enough of why I installed a new pump, so on to using the pulley puller and installer. The smaller pulley gives a little higher pump speed to help out at idle/low RPM situations where you need plenty of steering (like when rock crawling). The new belt was a 1/2″ shorter (although I now realize that it could have been an inch shorter) due to the new pump using a 4.5″ pulley (compared to the 5″ stock pulley). Before I mounted the pump, I picked up a pulley puller/installer (I rented one from the local AutoZone in Phoenix the previous time I installed a pump), some power steering fluid, and a new belt. Because of my Hydroboost brake system, I could not use an off-the-shelf replacement pump from the local auto parts store. I had a Hi Performance TC pump shipped next day air to Moab from PSC. It didn’t leave me dead on the trail but I was doubting its ability to survive another day or two on the slickrock and then the 10 hour drive back to Phoenix. While attending the 5th Annual JeepsUnlimited Moab Run, my power steering pump started going out. Although not a hard task, removing the pulley from the power steering pump on the TJ is something you will most likely have to do when you replace the power steering pump.
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