RL V6-3.5L (2007)
7. Fully open the pressure control valve (B).
8. Start the engine and let it idle.
9. Turn the steering wheel from lock-to-lock several times to warm the fluid to operating temperature.
10. Measure steady-state fluid pressure while the engine is idling. If the pump is in good condition, the gauge should read no more than 1,470 kPa
(15 kgf/cm2, 213 psi).
If it reads high, check for:
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Clogged or deformed feed or return line between the pump and gearbox.
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Clogged valve body unit.
11. Close the shut-off valve, then close the pressure control valve gradually until the pressure gauge needle is stable. Read the pressure.
NOTICE: Do not keep the shut-off valve closed more than 5 seconds or the pump could be damaged by over-heating.
12. Immediately open the shut-off valve fully. If the pump is in good condition, the gauge should read at least 9,604-9,996 kPa (98-102 kgf/cm2,
1,392-1,448 psi). A low reading means pump output is too low for full assist. Repair or replace the pump.
