Repair Instructions
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification
- Engine Coolant Flow Control Valve Replacement (L3B)Engine Coolant Flow Control Valve Replacement (LSY) - Q74 Engine Coolant Bypass Valve
- For control module replacement, programming, and setup refer to: Control Module References