4 Runner 2WD L4-144.4 2366cc 2.4L SOHC (22R-E) (1990)
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Vacuum Check Valve: Testing and Inspection
Fig. 27 Testing AS Check Valve
1.
Check that air flows from the orange pipe to the black pipe. Fig. 27
2.
Check that air does not flow from the black pipe to the orange pipe.
