How many types of power steering pumps are there?
There are 4 major types of power steering pumps that have been used and each has many variations as well: Each of these units is designed to meet specific needs. When replacing a pump be sure to order the correct unit to meet your vehicle’s exact requirements. The image above shows the comparison of the different designs of power steering pumps.
What kind of oil does a power steering pump use?
Automatic Transmission Fluid Dexron II Automatic Transmission Fluid Type “E” or “F” Chevron 10W-40 Chevron Custom 10W-40 Motor Oil Chevron Torque 5 Fluid Exxon Nuto H32 Hydraulic Fluid Fleetrite PSF (Can #990625C2) Ford Spec. M2C138CJ Completely flush the steering system with one of the recommended fluids above only. Do not mix oil types.
How does the relief valve on a power steering pump work?
Relief Valve The pump has a pilot operated relief valve built into the flow control valve spool which will limit the maximum pressure the pump can produce. When the pressure limit has been reached, the relief section will cause the flow control to bypass more oil internal to the pump, limiting the outlet pressure. General Operation
What kind of power steering pump does TRW use?
Description of the TRW Commercial Steering Division Power Steering Pump The PS power steering pump is a balanced, positive displacement, sliding vane type, two line pump with an internal pilot operated flow control and relief valve. The components of this description are broken down and explained below: Balanced
What should the flow rate of a power steering pump be?
A well designed pump will flow at a constant rate from 1500 RPM of pump speed on up. Over spinning the pump will not increase the flow rate of the pump. We recommend turning our pumps, on most engine set-ups, at around 4,000 to 5,000 RPM of pump speed.
Automatic Transmission Fluid Dexron II Automatic Transmission Fluid Type “E” or “F” Chevron 10W-40 Chevron Custom 10W-40 Motor Oil Chevron Torque 5 Fluid Exxon Nuto H32 Hydraulic Fluid Fleetrite PSF (Can #990625C2) Ford Spec. M2C138CJ Completely flush the steering system with one of the recommended fluids above only. Do not mix oil types.
How do you remove a power steering pump?
Use a 19mm wrench to loosen and remove the banjo bolt from the top of the pump. Pull the hose over so that it drains into the drain pan. There are 2 bolts (yellow) and 1 nut (green) that need to be removed, and one bolt that must be loosened (blue), in order to remove the steering pump.
What kind of wrench to use on power steering pump?
Place the 19mm wrench on the tensioning gear, and rotate upwards to put tension on the belt (yellow arrow). When the tension feels right (sorry!) hold the 19mm wrench steady, and use the 13mm wrench to tighten the nut (green arrow).