Quote:
Originally Posted by X5chemist
A new o-ring may seal it. I keep a spare fitting in my back up parts box. My coolant leak was the lower oil cooler seal. The cooler would teeter due to vibration. Once I secured the transmission lines from moving too much, the leak stopped. Try securing the hose line a bit to limit movement. Or did it crack?
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Pretty sure the tank isn't cracked as it's a year old... I did replace the cooler seals when I did the job and those are not leaking. The leak clearly is coming from where the tank opening meets that fitting and is made worse by wiggling that connection.