Idle Air Control Valve Idle Control Valve Compatible with Chevrolet for C1500 1990-1993 for C3500 1988-1995 Idle Air Control Valve 17112478
TUDEXX
When your vehicle experiences a sudden idle drop as the air conditioning compressor 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 during stop‑and‑go driving. The Idle Control Valve features a low‑thermal‑expansion housing that maintains gasket compression across the full temperature range, while the Idle Speed Control Valve prevents vacuum leaks that could occur when metal and plastic components expand at different rates during warm‑up and cool‑down cycles. Before removing the old part, 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 Air Control Valve straight out without twisting; install the replacement IAC Valve with the included gasket and tighten the screws diagonally to the torque value shown on the housing. Precise idle speed control avoids unnecessary fuel consumption, helps reduce idling fuel consumption, and enhances your driving experience; Friendly reminder: To ensure this product is suitable for your vehicle, please carefully review our product details images and descriptions before purchasing;, Manufacturer: TUDEXX
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