Question 1

How to service the throttle body on Cadillac CTS?

Accepted Answer

To service the Throttle Body, first remove the air intake duct services from the Throttle Body making sure that the ignition is turned off so that the throttle blade doesn't move uncontrolled and harm you. Check the Throttle Body bore, on the throttle valve plate for any deposits and see it is open throttle valve and check all surface. With the Throttle Body cover off, clean the Throttle Body bore and the throttle valve plate using a clean shop towel with top engine cleaner (GM P/N 1052626 or Canadian P/N 993026) or ac-delco carburetor tune-up conditioner (P/N X66-P) but not any solvent containing methyl ethyl ketone (MEK) because it could harm fuel system items. Once cleaned, reconnect the air intake ducts to the Throttle Body and check whether there are air leaks.

Question 2

How to replace the throttle body assembly on Cadillac Escalade?

Accepted Answer

First, make sure not to immerse any electronic throttle control parts in cleaners, or hold open the throttle plate with tools, because this could wreck the internal wedge. Start by taking out the air cleaner outlet duct, then take off the electrical connector from the engine wiring harness that cycles the electronic throttle control. Subsequently, loosen and take out the Throttle Body nuts (507) and bolts (538), then take out the Throttle Body (508) and get rid of the gasket (509). At installation, put the new Throttle Body Gasket on the Intake Manifold and line up the tab with the notch. Secure the Throttle Body (508), using the bolts (538) and nuts (507), then tighten them all to 10 n.m (89 lb in). Look to see that the seal on the engine wiring harness electrical connector for the electronic throttle control is undamaged and attach the electrical connector . Put the air cleaner outlet duct back in place and use a scan tool to check the throttle range. Make sure you can move the accelerator pedal easily from being fully closed to being fully open. Check that the engine power is normal, ignition is on and engine is not running before beginning the engine and looking for coolant leaks.

Question 3

How to replace the throttle body assembly on Cadillac SRX?

Accepted Answer

Start by turning off ignition then extract the air cleaner intake duct before replacing the throttle body assembly. Use your fingers to pull apart connector pieces since tools such as pliers or screwdrivers will damage components. It is important to use finger pressure on both connector latches before gently pulling the wires straight back to avoid damaging the wires. Start by disconnecting the throttle body electrical connector, unlock the wiring harness conduit for positioning before removing the throttle body bolts. Extract the throttle body unit as well as its gasket with precaution. Begin by wiping off all throttle body mounting surfaces of gasket or seal remnants before you put in the throttle body alongside its NEW gasket. Tighten the throttle body bolts to 10 N.m (89 lb in) torque. After installing the throttle body electrical connector and wiring harness conduit you must place the air cleaner intake duct back in position. The idle learn procedure should be conducted before using a scan tool to erase all Diagnostic Trouble Codes.

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