milky substance in overflow
#11
If I were you I would be more concerned. You could send the sample from your water tank to an oil lab to be analyzed, or use a combustion gas dye, to find out if the oil in your water is coming from the transmission or the engine. I agree with JimJ, it is probably trans oil and if so it will eventually cause expensive damage to your transmission.
#12
If I were you I would be more concerned. You could send the sample from your water tank to an oil lab to be analyzed, or use a combustion gas dye, to find out if the oil in your water is coming from the transmission or the engine. I agree with JimJ, it is probably trans oil and if so it will eventually cause expensive damage to your transmission.
#14
Administrator
My 97 Tahoe with the 5.7 had the trans cooler on the passenger side end cap of the radiator and the engine oil cooler on the drivers side endcap of the radiator.
#15
#16
Spicoli, good point, I hadn't thought about the engine oil cooler.
You can always find out, at least in general, the condition of the ATF just by pulling the dip stick. If it still looks bright red then I guess it would be if it's getting into the water, too; but if it's really old, and in the case of this truck, it probably is, the ATF may not be easily distinguished from the engine oil.
That's why I mentioned a combustion gas test, or an oil analysis of the water sample, as these should both tell him something more definitive. But with the ATF level low... he will either do more diagnostics or keep driving it until something breaks, and find out the expensive way!
You can always find out, at least in general, the condition of the ATF just by pulling the dip stick. If it still looks bright red then I guess it would be if it's getting into the water, too; but if it's really old, and in the case of this truck, it probably is, the ATF may not be easily distinguished from the engine oil.
That's why I mentioned a combustion gas test, or an oil analysis of the water sample, as these should both tell him something more definitive. But with the ATF level low... he will either do more diagnostics or keep driving it until something breaks, and find out the expensive way!
#17
so i found out what it was....apparently the leftover in the bottle did the same thing...turns out the gas station i got it from, their distributor give him recycled antifreeze so i flushed it out
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john1231989
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May 4th, 2017 12:21 PM