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Coolant level and oil cooler question

837 views 3 replies 2 participants last post by  bismic 
#1 ·
when I bought my truck the coolant level was at the full level and since had dropped to about half way between the marks and leveled off. I could see coolant residue on the tank, which I always cleaned off, so I can see if it is puking still. Today I made a 4 hr 70 mph round trip with about 2500 lb load in the bed for half of the trip. I checked the tank and it had puked some. I don't have gauges yet and haven't done a coolant flush yet.

Now my question is if the coolant level is at the min. mark ( which I believe is the proper level if I read right) will the coolant still puke out if the oil cooler is plugged?
 
#2 ·
Puking occurs mainly because your EGR cooler has failed or you have failed head gaskets (or you have an issue w/ coolant flow). It can also occur w/ an overfilled degas bottle because coolant expands when it heats up.

The oil cooler plugging is a contributor only because it restricts coolant flow to the EGR cooler - which then results in its failure.

Puking can occur at any level in the degas bottle if you have an issue described above.
 
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