My truck is losing engine coolant. What should I do?
Posted in: Automotive
Q: The engine on my Ford truck (F-350 Super Duty, 2006) loses engine coolant, and I observe excessive white smoke after starting and during driving for several minutes. Could I have a wet cylinder? I was told to try Stop Leak.
A: Probably the best piece of advice I can give you right now is do NOT use Stop Leak! That stuff is what you use if you want to totally destroy an engine. The problem with Stop Leak is that it works -- it will stop up everything in your cooling system. It will stop up your radiator, heater core, and small coolant passages.
You definitely need to locate the reason you are burning engine coolant. I cannot tell you over the Internet; this should be done through proper cooling system diagnostics. I can tell you, however, that leaking EGR coolers are fairly common. I have replaced several of them to fix the type of symptoms you are describing.
-- Answer from Dave T., auto repair technician on JustAnswer
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