2026-11-04

21mm Radiator (Remove and Replace)

Correction code 18301032 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and its associated FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. NOTE: See Personal Protection to make sure proper PPE is worn when performing the below procedure.

  • 2026-09-04: Released new procedure.

Remove

  1. Remove the cooling fan module. See Module - Cooling Fan (Remove and Replace).
  2. Remove the 12mm radiator. See 12mm Radiator (Remove and Replace).
  3. Release the locking tabs (x4) that attach the 21mm radiator to the cooling fan module, and then remove the 21mm radiator from the cooling fan module.
    Note
    Push the 21mm radiator away from the cooling fan module while releasing each locking tab.
    Tip
    Use of the following tool(s) is recommended:
    • Small flat head screwdriver

Replace

  1. Position the 21mm radiator on the cooling fan module, and then install the locking tabs (x4) that attach the 21mm radiator to the cooling fan module.
    Note
    Align the 21mm radiator locking tabs with the cooling fan module, and then press the 21mm radiator on the cooling fan module to engage the locking tabs.
  2. Install the 12mm radiator. See 12mm Radiator (Remove and Replace).
  3. Install the cooling fan module. See .
  4. Locally connect a laptop with Toolbox 3 to the vehicle. See Toolbox (Connect and Disconnect).
  5. In Toolbox, click the Actions tab, search for "Radiator", select PROC_VC_X_RESET-RADIATOR-UA-INDEXvia Toolbox:(link), select Run, then allow the routine to complete.
    Note
    Perform this step for firmware versions develop/2026.14.3 and later.
  6. Disconnect Toolbox and remove the laptop from the vehicle.
  7. Exit Service Mode Plus. See Service Mode Plus.