Service Update Bulletin
Cadillac technical service bulletin GCUS-3-670 for 2016 Cadillac CT6 and 2017 Cadillac Ct6 Plug-In Hybrid.
- Bulletin number
- GCUS-3-670
- Component
- Engine and engine cooling
- Summary
- 46310 - Service Update Bulletin. The incorrect upper radiator hose may have been installed during assembly between vehicles equipped with LGX Engines and LGW Engines. Both of these engines have unique upper radiator hoses, and interchanging them may create hose interference with the Air Box, eventually resulting in a coolant leak.
Owners of these vehicles have filed 3 complaints in the engine category.
Vehicles covered
- Cadillac CT6 2016 2016
- Cadillac Ct6 Plug-In Hybrid 2017 2017
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