Throttle Body Inspection and Cleaning: Procedure
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
- Inspect the throttle body bore and the throttle plate for deposits. You will need to open the throttle plate in order to inspect all surfaces.
- Clean the throttle body bore and the throttle plate using a clean shop towel with GM Top Engine Cleaner, P/N 1052626 or AC-Delco Carburetor Tune-Up Conditioner, P/N X66-P or an equivalent product.
- Install air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
CAUTION:
Turn OFF the ignition before inserting fingers into the throttle bore. Unexpected movement of the throttle blade could cause personal injury.
NOTE:
DO NOT insert any tools into the throttle body bore in order to avoid damage to the throttle valve plate.
NOTE:
DO NOT use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.