Saginaw Power Steering Pump
Used on E-series & a popular swap on all others
The power steering pump (3A674) is a constant displacement vane type providing hydraulic pressure for the steering system. The power steering pump housing (3A643) and internal parts of thepower steering pump are inside the power steering oil reservoir (3A697) so the parts operate submerged in oil. The power steering oil reservoir is sealed against the power steering pump housing, leaving the housing face and power steering pump rotor shaft (3B559) exposed. The power steering oil reservoir has a filler neck with a power steering pump oil reservoir filler cap (3A006) on all models except E-Super Duty with 7.5L. On E-Super Duty the power steering oil reservoir has a nipple which provides attachment for the tube assembly power steering reservoir filler tube. The power steering pump rotor shaft is fitted with a power steering pump pulley (3A733) and is driven by a drive belt (8620) from the engine's crankshaft. The power steering pump rotor (3D607) is loosely splined to the power steering pump rotor shaft and secured with a retaining ring. Ten vanes are mounted in radial slots in the power steering pump rotor.
An identification label showing the model number for the power steering pump is located on the outboard side of the power steering oil reservoir.
Saginaw - - - - - - Minimum Flow @ 740 psi - - - - - - Minimum Pressure Relief - - - - - - Maximum Pressure Relief
Pump Model - - - Liters/Minute - - Gallons/Minute - - kPa - - - - - - - - psi - - - - - - - - - - - - kPa - - - - - - psi
- - - - - - - - - - - - 76C ~ 15C - - - -170°F ~ 5°F - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HBA-HA - - - - - - 6.8 - - - - - - - - - - 1.8 - - - - - - - - - - 9308 - - - - - - 1350 - - - - - - - - - - - 9997 - - - - - 1450
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