Q: How to replace the throttle body assembly on GMC Acadia?
A: Before you replace the Throttle Body assembly, you should remove air cleaner outlet duct. Take the engine wiring harness electrical connector off from the electronic throttle control then unbolt the Throttle Body bolts. Remove the Throttle Body with gasket taking the old gasket out. For installation, place a new Throttle Body and a new Throttle Body Gasket onto the upper Intake Manifold and make sure that you install the Throttle Body bolts and tighten to a final torque of 10n.m (89 lb in). Reconnect the engine wiring harness electrical connector to the electronic throttle control and replace the air cleaner outlet duct. Finally, undertake throttle learn procedure.
Q: How to replace the throttle body assembly and ensure proper installation of the electronic throttle control components on GMC Sierra 1500?
A: To change the Throttle Body assembly, treat the electronic throttle control components gently so as not to cause damage, avoid exposing them into cleaning solvents or rough handling. Start with the removal of the air cleaner outlet duct. Unplug the engine wiring harness electrical connector from the electronic throttle control first before you remove the Throttle Body nuts (507) and bolts (538) and remove the throttle assembly body (508). Remove the old and useless Throttle Body Gasket (509), and insert a new one, using the tab on the gasket and the notch on the manifold of the intake. Install the Throttle Body (508) including the bolts (538) and nuts (507) and tighten it up to 10 nm (89 lb in). Ensure the tie-down straps that secure the air cleaners to the engine air cleaners are correctly installed with the nut and bolt in place , but do not tighten it down . Remove the factory-installed air cleaner outlet duct. Test throttle-opening and throttle-closing range with the use of a scan tool and ensure that the accelerator pedal is able to move freely from a closed throttle to the wide open throttle (WOT). Make sure to not activate the reduced engine power mode, and ignition should be on while the engine is off in order to run the throttle learn procedure. Finally, check for any coolant leaks.
Q: How to replace the throttle body assembly on GMC Yukon?
A: The first step when replacing the Throttle Body assembly demands delicate handling of electronic throttle control components while avoiding cleaning solvents and keeping tools away from the throttle plate to avoid wedge damage. Start by disconnecting the electronic throttle control from its engine wiring harness electrical connector followed by removing the air cleaner outlet duct. Start the disassembly by removing Throttle Body nuts 507 then bolts 538 before extracting Throttle Body 508 and replacing Throttle Body Gasket 509. A new Throttle Body Gasket needs to be placed onto the Intake Manifold where its tab should match up with the notch. Fasten the Throttle Body (508) to its mounting position while securing its bolts (538) and nuts (507) to a torque of 10 n.m (89 lb in). Check the engine wiring harness electrical connector seal of the electronic throttle control before connecting the harness to the control and reinstalling the air cleaner outlet duct. A scan tool should be used to verify proper throttle-operation between closed throttle and wide open throttle (WOT). Confirm that the accelerator pedal works without restriction during this range. Start the engine along with inspecting for coolant leaks only after stepping through these operational requirements: verify the vehicle is not in reduced engine power mode, maintain ignition in on position, and ensure engine stays off.