OEM 2009 Buick Lucerne Throttle Body

2009 Buick Lucerne Throttle Body Parts Questions & Experts Answers

• Q: How to replace the throttle body assembly on 2009 Buick Lucerne?

  A: When you handle electronic throttle control components for replacement you must be deliberate to avoid damage while maintaining the throttle plate opened using any tools which could potentially damage internal components. Start by taking out the intake manifold cover then proceed with the air cleaner outlet duct removal. The installation begins by disconnecting the electronic throttle control (ETC) electrical connector followed by removing two heater inlet and outlet pipe clip nuts from the Throttle Body studs. First reposition the heater intake and outlet hoses before using a torque wrench on the Throttle Body bolts/studs to remove them together with the Throttle Body while discarding the previous gasket. After installation position a new Throttle Body Gasket with the manifold notch matching its locating tab. Install the Throttle Body in position on the intake manifold before tightly fastening Throttle Body bolts to 10 nm torque (89 lb in). Tighten the heater inlet and outlet hose clamps followed by installation of heater inlet and outlet pipe clip nuts to Throttle Body studs at 10 nm (89 lb in) torque. The etc electrical connector must come into contact with a securely-installed throttle actuator motor harness connector and unharmed seal before proceeding. After reattaching the intake manifold cover you should reinstall the air cleaner outlet duct. A scan tool enables throttle range operations by testing proper opening and closing functions while moving the accelerator pedal between wot and zero position. Before starting the throttle learn procedure ensure the vehicle does not have engine power reduction active while maintaining on engine ignition and off engine state.