How to Use a Power Steering Pulley Puller

by David Stewart
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Power steering pulleys are usually fitted on the pump shaft by pressing and the assembly is held together with friction. Hence, if you wish to remove the power steering pulley, it cannot be done by hand. The specific tool to be used is a puller that can remove the pulley from the pump shaft. This puller is different from the usual gear pullers with jaws. Various brands of the puller are available; there may be slight differences in the parts, but they function in a similar manner. A few brands also come with tools that can be used to fit back the power steering pulley.

Step 1

Study the parts. A power steering pulley puller consists of two half-parts that make up a split collar, a metal sleeve to retain the collar and a threaded bolt which is the puller. If your kit consists of tools to re-install the pulley, there'll be a bolt nut assembly, too.

Step 2

Fit on the puller by inserting the half-part that projects more inward below the pulley lip. Close the two parts so the pump shaft is held tight. Fit the metal sleeve over the ring formed by closing the two parts. Push the rounded end of the threaded bolt inside the pump shaft, until it touches the pulley shaft, and tighten it.

Step 3

Position a wrench at the bottom of the threaded puller assembly. On the top side, near the threaded shaft, use a ratchet. Tighten the nut and bolt parts by screwing the puller assembly into the bottom portion; this will cause the pulley to move off the pump shaft.

Step 4

Fit back the pulley by positioning it to sit squarely on the pump shaft. Use the bolt nut assembly provided with the puller kit. Insert the bolt inside the pump shaft's internal threading and screw it on until the bolt touches the lower surface. Push the pulley on by rotating the nut assembly along the bolt. When the pulley has reached down completely, the nut assembly stops moving; remove the assembly and check that the pulley is flush with the level of the pump shaft.

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