RX 300 FWD V6-3.0L (1MZ-FE) (1999)
Inscribed mark: 1, 2, 3, 4 or None
HINT: There are 5 vane lengths with the rotor and cam marks:
3. INSPECT FLOW CONTROL VALVE
a. Coat the valve with power steering fluid and check that it falls smoothly into the valve hole by its own weight.
b. Check the valve for leakage. Close one of the holes and apply 392-490 kPa (4-5 kgf-cm (2),57-71 psi) of compressed air into the opposite side
hole, and confirm that air does not come out from the end holes.
If necessary, replace the valve with the one having the same letter as inscribed on the front housing.