Operation CHARM: Car repair manuals for everyone.

Power Steering Pump

Flow Rate [1]
Minimum Flow [2] 5.7 L/min (1.4 gallons/min)
Maximum Flow [3] 12.9 L/min (3.4 gallons/min)

Relief Pressure [1]
Minimum 8270 kPa (1200 psi)
Maximum 9520 kPa (1380 psi)

[1] Fluid should be at 78°C (172°F) and 5100 kPa (740 psi) at 675 rpm. Vehicle at Zero speed (not moving).
[2] Flow depends on pump model, engine rpm and pulley drive ratio. Engine idle rpm must be set to specification when checking pump minimum flow capacity.
[3] Maximum Free Flow @ 1500 rpm.