gross dexcool pic
look at what i just squeezed out of my coolant overflow tube...
the stuff is so sticky that air wouldnt blow it out, it just made
a loud liquid farting sound that i'm sure my neighbors appreciated.

i dunno if somebody at one time might have poured green stuff in it
or if its just what happens to old dexcool thats stagnant for awhile.
the rest of the system that i've seen (inside radiator and hoses, cap,
thermostat) is clean as a whistle other than the couple pints of power
steering fluid i'm flushing out due to a worthless power steering cooler.
nasty eh?
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air. So what's in the coolant tube may not be that
representative of what's in the block.
It sure would make me want to know for sure, though.
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what you see in that pic is all i've managed to find so-far.
all the exterior stuff i've opened up and looked inside (thermostat, petcock, looking inside radiator thru the filler neck) doesnt have any of this sticky goo, so i think its all good. i did also replace a cracked overflow tank when i flushed the original coolant, so there is a chance that something could have entered the cooling system and contaminated it.
It also accumulates on the coolant dipstick and is impossible to get off.







