Radiator leak on Infiniti FX35

Average mileage: 79,520 (46,000–134,000)
5 model years affected: 2004, 2005, 2006, 2009, more2011
7 people reported this problem
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problem details
2009 Infiniti FX35 51,700 mi,
Engine suddenly started balking, saw temp had spiked to max. Pulled over (was luckily able to coast to a lot near my office) and waited for engine to cool. Added a whole jug of coolant. Came back a few hours later and noticed fluid pooling under the right side of radiator. Added more coolant to drive home. Barely made it before temp spiked again.
Car overheated. I immediately took it to Valvoline. They showed me a crack at top of radiator, so I had it replaced.
Popped open hood to find coolant sprayed all over the top of the engine. Hoses appeared intact. Coolant reservoir was empty. Radiator cap looked fine. Diagnosed problem by bringing the engine to operating temperature and watching the coolant spray out of the radiator. Issue was the radiator was cracked along the top (where it is plastic). Replaced the radiator.