This weekend I discovered that my 2017 xc90 T6 Momentum Plus has leaked all of the engine coolant. The tank was entirely empty well below minimum. The only indicator I had of such an issue is the car saying low engine coolant. The car does not have a engine temperature gauge, and the coolant reservoir is hidden underneath the passenger side plastic cowling near the wiper blade.
I was parked at home and discovered the lower radiator hose where it enters the engine has coolant residue. It is made of plastic and cracked due to poor quality, or simply because plastic can't handle very hot pressurized coolant. The hose is located between the engine and air filter housing, under the hood and close to the driver's side.
The car is at the dealership now, and volvo is going to warranty the repair. The car did not overheat (luckily) and we weren't left stranded.
My car is a 2017 model with 24,600 miles and is garaged every night. The car is not abused and still has original tires.
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