Quote:
Originally Posted by mikemass1221
If I blast air into the small hole (red arrow on my drawing), coolant splashes out all over the place from the large hole (green arrow).
If I place the air blaster in the main opening with a rag over it to seal it in and then let go after a few seconds, then the coolant just rushes back out. Expansion tank too low to get a good sense of what's going on in there.
I really only think we are dealing with a coolant breach, not combustion gas.
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Have you listened at the valve cover oil fill hole while blasting compressed air into the 1/2" hole? Do this with the coolant expansion cap on. Is your broken fuel heater leaking coolant? If so you need to plug that up before the test.
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04-21-2016, 12:43 PM
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