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Engine Control System - 2.5L (LE8) (Introduction)
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Repair Instructions
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Idle Air Control (IAC) Valve Replacement
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Removal Procedure
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Removal Procedure
Remove the electrical connector from the idle air control (IAC) valve.
Remove both attaching bolts.
Remove the IAC valve (2) from the intake collector (3).
Fig 1: View Of IAC Valve, Intake Collector & Valve Gasket
Courtesy of GENERAL MOTORS CORP.