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From The Saab Tech Wiki
===Idle Air Control Valve===
The IAC valve is a solenoid controlled valve which regulates the flow of air into the engine during idle. It may require cleaning every few years, and more often on engines where the crankcase ventilation system or the turbo leak an excessive amount of oil into the intake. For details see [[http://pages.infinit.net/mlbriand/saab/iac/page1.html|Michel Briand's Cleaning Directions]].
===Engine Coolant Connections===
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