T100 Regular Cab Pickup 2WD L4-2693cc 2.7L DOHC MFI (1998)
HINT: There are five vane plate lengths with the following rotor and cam ring 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 flow control valve for leakage.
Close one of the holes and apply compressed air 392 - 490 kPa (57 - 71 psi) into the opposite side, and confirm that air does not come out
from the end hole.
If necessary, replace the valve with one having the same letter on the front housing.
Inscribed mark: A, B. C, D, E or F.