Supra JZA80 How to Overhaul the Power Steering Pump

It is an overhaul of the power steering pump (vane pump).

First, remove the battery, piping near the throttle, auto tensioner damper, and belt. The pump is fixed with three bolts marked with orange circles. In addition, remove the hose that connects to the power steering fluid reserve and the hose that connects to the rack. Those who connect to the rack were removed with 22 mm and 24 mm spanners.

It’s hard to see in the picture, but the pump is further fixed to the base bracket with two 14mm bolts.

I used an impact wrench to remove the pulley. It’s 17mm. If you think it’s power steering fluid, but it’s bearing grease. It’s popping out.

① Remove the pulley and remove the bolt that connects to the 24mm rack and the bolt that connects to the 12mm reserve.
② Remove four 12 mm on the back side.
③ Introducing the vane pump. From the right, the back cover, wave washer, vane pump lid, body.
④ Gently remove the vane pump so that it does not fall apart. I didn’t move it until I put it on an acrylic board and assembled it.

This is a replacement part.
Above is the vane pump overhaul kit,
Below is the vane pump bearing. At first I thought it was not necessary to replace the bearing, but I removed the pulley and it was miserable, so I replaced it. After all new products turn smoothly.

Clean each one, replace the packings, and assemble. There is no photo because I am working while applying fluid. It is a finished product.

I also replaced the hose that connects the pump and the reserve. It has been in stock for a long time. After that, return it to the car body as it was, bleed the air, and it is completed. Since there was excess fluid, I also replaced the power steering fluid.

The photo is a bonus. I opened the lid of the bearing. I wonder if I can make it with a fidget spinner.