View Full Version : Look at this cap
05-26-2009, 03:53 PM
Look at this cap for my overflow resivoir. it is corroted. is this from the dexcool
i think i need to have the colant system power flushed.
05-26-2009, 03:56 PM
i dont think thats corrosion. to me it looks like just dried up dexcool!
05-26-2009, 04:29 PM
Definitely flush and check back next oil change. You don't want that crap clogging your radiator
05-26-2009, 09:43 PM
Mine kinda looked like that too before. The bottle looked pretty bad too. I popped it out and washed it with dish soap and hot water.
05-26-2009, 10:44 PM
That's how mine looked right before I had to have the engine rebuilt. You will want to get that checked out and see if you have a LIM gasket leak.
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