Quote:
Originally Posted by Diesel911
I believe it is just a bad choice of words the Switchover Valve I belive is the name of the on/off valve that allows the hot coolant to go to the hearter core or not. Also on the fire wall but on the passenger side near the intake manifold.
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I apologize for using the incorrect terminology. Others on this board have referred to the Overboost Protection Relay as the Switchover Valve, so that is why I used the later term.
The device I removed and cleaned is indeed the Overboost Protection Relay.
Sorry for any confusion.
