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PLUG ON TOP OF WATER PUMP USE??
Hey all, I have a 1990 7.3 IDI F-250 and I’m doing a coolant flush for the first time. I drained the engine block without considering how to refill it (without removal of thermostat), and I noticed a plug (see pic below) on top of my water pump...does anyone know what this is for? And what I’m...- MikeyD
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- Forum: 6.9L IH & 7.3L IDI Diesels
