Radiator.
Primary. Radiator.

Radiator

Fits CTS (2016 - 2019)

6.2 LITER SUPERCHARGED. 6.2 LITER, MAIN, w/aux cooling. Camaro; Primary; w/Aux. Cooler. CTS-V. CTS; 6.2L; Right.
Radiator - Repair or Replace
Typical symptoms for a failed radiator include both an overheating engine and a coolant leak. But some radiator failures can also result in burned or dark transmission fluid. If the cooling system in your Cadillac CTS needs attention, contact a factory-trained Cadillac technician.