Quote:
Originally Posted by triangles
Does anyone know what the control valve does that is attached to two vacuum lines? It's on a 2.7L 4cyl if that matters. I broke off the nipples while replacing my belts and see it is an expensive part but for the life of me I can't figure out what it does. it's part# 14 on this diagram Control Valve - Toyota (17630-15090) | Toyota Parts
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Air control valves raises the rpm which intern increase the pump pressure helps in steering.
It creates a vacuum when steering wheel is turned raising the rpms. salvage yards will be cheaper.