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That phantom coolant leak on a 6.7 Powerstroke had me chasing my tail for two days
It was a 2015 F-250 that came in with a slow drip. I pressure tested the system, checked the usual spots like the water pump and radiator, found nothing. Finally pulled the turbo to get a proper look and spotted a tiny crack in the EGR cooler, a spot you just can't see from below. All that time for a part the size of my fist. Anyone else had a coolant leak hide in a spot that dumb?
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