STEERING
L2501, WSM
[2] STEERING GEAR BOX Relief Valve Setting Pressure 1. Disconnect the power steering delivery pipe joint bolt. 2. Install the power steering pump adaptor (refer to "SPECIAL TOOLS" (see page G-55)) instead of joint bolt, and set a thread joint, cable and hydraulic pressure gauge. 3. Start the engine and set the engine speed at max. speed. 4. Fully turn the steering wheel to the left or right and read the pressure when the relief valve functions. 5. Stop the engine. 6. If the pressure is not within the factory specifications, check the pump delivery line, adjust the relief valve by the adjusting screw (1), or repair the power steering.
Power steering relief valve setting pressure
Factory specification
2WD
7.8 to 8.8 MPa 80 to 90 kgf/cm2 1200 to 1300 psi
4WD
10.7 to 11.7 MPa 110 to 119 kgf/cm2 1560 to 1690 psi
(Reference) • One quarter turn of the adjusting screw (1) changes the relief setting pressure by approx. 1.3 MPa (13 kgf/cm2, 180 psi). • When the adjusting screw (1) is turned clockwise, the relief valve setting pressure rises. Tightening torque
Power steering delivery hose joint screw
40 to 48 N·m 4.0 to 4.9 kgf·m 29 to 35 lbf·ft
Condition • Engine speed Maximum • Oil temperature 40 to 60 °C (104 to 140 °F) (1) Adjusting Screw
(2) Lock Nut 9Y1211121STS0005US0
7-S5
KiSC issued 09, 2014 A
