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To replace the idle air control valve (IAC) in a 1995 Buick Riviera, first, disconnect the negative battery cable to avoid electrical issues. Locate the IAC valve on the throttle body, remove the electrical connector, and unscrew the mounting screws. Carefully pull out the old valve, clean the mounting surface, and install the new IAC valve by reversing the removal steps. Finally, reconnect the battery and start the engine to ensure proper operation.

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2w ago

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