Oil Pump Pressure Test - Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement

37A-10
Pressure
gauge
(MB990662) Shut-off valve
Temperature
Oil pump
gauge
relief
pressure
Adapter
(MB990993)
Oil
pump
Reservoir
STEERING –

OIL PUMP PRESSURE TEST

1. Disconnect the pressure hose from the oil pump, and then
2. Bleed the air, and then turn the steering wheel several
3. Start the engine and idle it at 1,000
4. Fully close the shut-off valve of the pressure gauge and
Pressure
hose
5. If it is not within the standard value, replace the oil pump.
6. Check whether or not the hydraulic pressure is the standard
Adapter
(MB990994)
7. If it is not within the standard value, the probable cause
8. Fully open the shut-off valve of the pressure gauge.
9. Turn the steering wheel all the way to the left or right;
10. When not within the standard value, replace the power
11. Remove the special tools, and then tighten the pressure
12. Bleed the system.
On-vehicle Service
connect the special tools.
times while the vehicle is not moving so that the
temperature of the fluid rises to approximately 50 – 60 C.
measure the oil pump relief pressure to confirm that it
is within the standard value range.
Standard value: 9.8 MPa
Caution
Pressure gauge shut off valve must not remain closed
for more than 10 seconds.
value when no-load conditions are created by fully opening
the shut-off valve of the pressure gauge.
Standard value: 0.3 – 0.8 MPa
is a malfunction of the oil line or steering gear box, so
check these parts and repair as necessary.
then check whether or not the retention hydraulic pressure
is the standard value.
Standard value: 9.8 MPa
steering gear box.
Remeasure fluid pressure.
hose to the specified torque.
Tightening torque: 17 Nm
37200230219
100 r/min.