Question about 1993 Chevrolet Suburban
Well all signs point to the initial stage of head gasket leak.
The piston(s) push the air/gas mixture into the coolant passage in the engine head.
You are lucky to able to catch it before oil coolant cross mix and blowing white after warm.
hydrocarbon HC test is a must!
I will not drive the truck until you check for freeze plugs leaks,change thermostat and radiator cap.
There is a very effective head gasket sealer call SteelSeal.
You will need two bottles.
After everything is under control then you must do a coolant system pressure test.
Fixya just published my coolant system inspection tip.
If you are a DIY\'er then please take a look HERE
Posted on Dec 10, 2009
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Posted on Jan 02, 2017
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