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Coolent Problem

chevylobo

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chevylobo Enthusiast

chevylobo

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i took truck in for inspectiona few days ago they told me they topped off fluids . well today noticed my coolent over flow and resvor tank the green anti freeze is now brown did they add wrong coolent to truck ? and if so what kind of damage do you think driveing about 500 miles has done ?

chevylobo Enthusiast

chevylobo

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for some resion i think they added dex cool ove rmy green i had in truck itsa 88 becase icaled them back they said all gms no matter what get dex cool how screwed am i?

redvett Senior Enthusiast

redvett

Posted
Posted
for some resion i think they added dex cool ove rmy green i had in truck itsa 88 becase icaled them back they said all gms no matter what get dex cool how screwed am i?

 

There full of crap GM started Dex cool in 1996 and they do not recommend mixing. I would demand a free flush and replacement of the Green Antifreeze.

VMax2007 Senior Enthusiast

VMax2007

Posted
Posted
you think it did any major damage? i mean its brown and really sludgey looking

 

Have it drained and re-filled, but do NOT let them flush it. Flushing older radiators is just asking for leaks. Every time I have flushed out (backflushed) and older (10+ years old) radiator, it started leaking soon afterward.

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