Tacoma Extra Cab 4WD L4-2693cc 2.7L DOHC MFI (1997)
b. Using a feeler gauge, measure the clearance between the rotor groove and plate.
Maximum Oil clearance: 0.033 mm (0.00130 inch)
If it is more than the maximum, replace the plate and/or rotor with one having the same mark stamped on the cam ring.
Inscribed mark: 1, 2, 3, 4 or None
HINT: There are 5 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 holes.
If necessary, replace the valve.
Inscribed mark: A, B. C, D, E or F