Normal to have sludge so quickly
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Normal to have sludge so quickly
I recently drained radiator and put in Dex-Cool with non distilled water about 3 months ago into my car. Ever since it has developed this think reddish sludge in the radiator. Is this normal temp's and everything are fine never any issues there. I have been thinking of draining it again and trying to flush things out a bit. I won't be able to get the block plugs out and crap for a full flush so would it be okay to just drain radiator fill car up with just water then let it run drain again and repeat a few time's? It's making me nervous with the sludge for sure and I ran with just water for quite a while with no problems. Never really gets cold enough in the south to worry about freezing to much.
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It turned my entire radiator red and my cap has like a bubble of sludge on it everytime I take it off. That seems a bit much to me. Hoping I don't have a bad head gasket but it sounds like it's just the dex-cool crap.
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I ran just straight water for over a 2 years without any issues at all. I put coolant in it this year cause temps have been weird down here and didn't wanna risk any block cracking issues. I've also noticed that my radiator will never be full. I fill it up drive it then it goes down about 8-10 cups. It never gets lower than that it just seems strange to never be full since i haven't had any problems I just kinda let it go.