1979 280ZX PS pump

 

 

 

 

 The first step is to remove the belt, to do so, loosen the nut located in the center of the tensioner pulley as shown in the picture and release the tension on the belt by turning the adjusting bolt in a counterclockwise motion.

Next, loosen the front power steering pump retaining bolts but don't remove them completely yet.

 Place a drain pan under the car to catch the power steering fluid, to avoid spilling the old fluid on the alternator place a funnel directly under the pump as shown in the picture and detach the low pressure power steering hose.

 Next, loosen the rear bolt as shown in the picture. Don't remove the bolt yet, just loosen it up.

 remove the high pressure power steering hose, make sure that the funnel will catch the old power steering fluid.

Remove the PS pump retaining bolts, remove the pump and place it inside a clean metal drain pan.

 Using a chisel and a small hammer bend the metal tab that keeps the nut from coming loose. 

Next, remove the nut and the pulley from the pump.

 Remove the woodruff key from the old power steering pump.

 Next, install the woodruff  key on the new pump, install the pulley followed by the metal washer and the nut, tighten the nut and bend one end of the washer to avoid it from coming loose. 

 Install the metal screen on the new pump, install the pump back on the vehicle with a new belt, fill the system with new power steering fluid and start the engine, inspect for leaks, take the vehicle for a test drive to make sure that the steering system is working normal, if everything is working fine you are done.