One problem related to radiator hose has been reported for the 2012 Infiniti G37. The most recently reported issues are listed below.
The cooling system in this vehicle has a two part preformed hose that connects the engine cooling system to the cabin heat exchanger. The two parts are connected with a plastic junction with two spring clamps. This vehicle has approx 85k miles and still has the original coolant. This junction disintegrated. It appears to not be compatible with the coolant. It delaminated and sheared. Luckily it broke while stopped in the garage. If it had happened at high speed it would have spewed the coolant at the rear of the engine, and at least some of it would have gone to the windshield, obstucting the view. I have saved the disintegrated part.
| Engine And Engine Cooling problems | |
| Radiator Hose problems |