Idle Speed Control Valve Idle Speed Control Valve 4861552AB Compatible with GMC for Sierra for 1500 for 2500 for 3500 1999-2006 Air
SZYNBQ
Compatible with Sierra 1500 2500 3500 1999 2000 2001 2002 2003 2004 2005 2006 4861552AB Idle Speed Control Valve Throttle Body IAC Valve Auto Replacement Parts. When the engine experiences a sudden idle drop when the air conditioning compressor clutch engages, this Idle Air Control Valve senses the load increase and adds bypass air before the compressor fully engages; the IAC Valve works with the ECU to prevent the rpm dip that causes noticeable hesitation. Before removing the old IAC Valve, disconnect the battery negative terminal and let the engine cool; take a photo of the vacuum hose connections and component orientation for reference, then loosen the two mounting bolts and pull the Idle Speed Control Valve straight out without twisting; install the replacement part with the included gasket and tighten the screws diagonally. Friendly Reminder: To ensure accurate selection, please compare the product images and specifications before ordering to confirm that the parts match your vehicle model. If you have any questions before or after placing your order, please customer service. We will provide detailed answers and assist you in finding the appropriate solution., Manufacturer: SZYNBQ
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