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Seville
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Engine Controls -- 4.6L - 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
Fig 1: IAC Connector and TP Sensor
Courtesy of GENERAL MOTORS CORP.
Remove the electrical connector (1) from the IAC valve (4).
Fig 2: Identifying Idler Air Control Valve & Attaching Screws
Courtesy of GENERAL MOTORS CORP.
Remove the IAC valve attaching screws (2) from the idle air control valve (1).
Fig 3: View of IAC O-Ring
Courtesy of GENERAL MOTORS CORP.
Remove the IAC valve from the throttle body.
Remove the IAC valve O-ring.