OEM 2001 GMC Savana 3500 Spark Plug

2001 GMC Savana 3500 Parts Questions & Experts Answers

• Q: How to replace spark plugs on 2001 GMC Savana 3500?

  A: You must remove Spark Plug Wires before starting the replacement process. A proper tightness of one to two turns is needed when accessing each Spark Plug from the wheel wells. Before installing new spark plugs users must remove dust and debris from the plug areas with either a brush or air plenum. Set aside a tray with each cylinder number to hold plug removals in order that you take them out. Examine the Spark Plug washer gap following proper installation before using correct tools to adjust it to match the specific measurement of 1.524 mm (0.060 in). Apply torque at 15 n.m (11 lb ft) when installing spark plugs into 4.3l, 5.0l, and 5.7l iron-headed engines yet use 20 n.m (15 lb ft) for 7.4l iron-headed units while new iron-headed spark plugs need 30 n.m (22 lb ft) torques regardless of engine capacity. Reinstall the Spark Plug Wires during the last step of the procedure.