Had radiator replaced, now coolant leak at overflow hose and no heater
I brought my Z to the dealership to swap out the stock radiator for a new Mishimoto one. Not the double walled racing type, just an OEM spec replacement. Also swapped out the thermostat and gasket, both were Nissan OEM.
Drove the car home, noticed the fans would kick on when they didn't before. Then I noticed there was no heat coming from the heater. It also reeked of coolant. Temp gauge was in the middle which I've never seen before, it's always been just slightly below it. Popped open the hood and found coolant leaking from the clamp on the radiator overflow hose. It's a mess in there.
I'm going to bring it back tomorrow, but does anyone have any idea why this might be happening?