OEM GMC Savana 3500 Idle Control Valve

GMC Savana 3500 Idle Control Valve Parts Questions & Experts Answers

• Idle Speed Control
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  Q: How to replace the Idle Control Valve on GMC Savana 3500?

  A: The first step before replacing the Idle Control Valve is to switch off the ignition and remove the engine cover. Remove the attaching screws on the Idle Control Valve after disconnecting its harness connector. It is vital to avoid using force on the Idle Control Valve pintle since this can break worm drive threads together with abstaining from soaking the valve in cleaning solutions or liquid solvents. Take away the Idle Control Valve assembly along with the o-ring. Apply carburetor cleaning solution along with brushes to remove carbon residues from the Idle Control Valve o-ring seating area and pintle seat along with air passage while strictly avoiding the use of methyl ethyl ketone-based cleaners. Actual alignment of the pintle and seat exhibits normal shiny marks. Heavy deposits within the air passage require complete cleaning of the Throttle Body before installation. Assess the Idle Control Valve o-ring for damage that includes cuts or cracks or distortion and perform replacement for any detected damage. New Idle Control Valve installation should involve identical components because the application-specific pintle shape and diameter need match. Use finger pressure to slowly retract the Idle Control Valve pintle but avoid causing damage since the distance measure a exceeds 28 mm (1.10 in). Apply engine oil to the Idle Control Valve o-ring before installing both the valve assembly and its screws while torquing them to 3 n.m (27 lb in). Reposition the Idle Control Valve pintle after reconnecting the Idle Control Valve harness and reinstalling both the engine cover along with resetting the Idle Control Valve pintle position.