GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Throttle Body Cleaning

    Object Number: 693173 Size: SH

    Warning: Turn OFF the ignition before inserting fingers into the throttle bore. Unexpected movement of the throttle blade could cause personal injury.

  1. Remove the air intake duct.

    2. Caution: Do not insert any tools into the throttle body bore in order to avoid damage to the throttle valve plate.

  2. Inspect the throttle body bore and the throttle valve plate for deposits. If necessary, open the throttle valve to inspect all surfaces.

    3. Caution: Do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

  3. Clean the throttle body bore and the throttle valve plate using a clean shop towel with an appropriate cleaning substance, such one of the following:
    4. • GM Top Engine Cleaner
    • P/N 1052626
    • ACDelco Carburetor Tune-Up Conditioner
    • P/N X66-P
  4. Install the air intake duct.
  5. Perform the throttle learn procedure. Refer to Throttle Learn.