Questions & Answers for: sludge dexcool

Question about 1997 Venture

2 Answers

...dexcool wich is orange, not green.(looks red sometimes)check the coolant again and check the oil. if it looks milky or foamy, there is coolant in it. sounds like it may be a blown head gasket. not ...

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am hoping for REAL insight from someone here! I am suspecting radiator sludge from dexcool or worse busted head gasket cuz of dexcool! have you checked to see if you fan is kicking on for the radiator

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use water for the radiator if you dont have a full amount of the regular fluids Yes, but you need to use distilled water to top off, as the dexcool in those systems will sludge up badly with tap water

Question about 1991 Park Avenue

2 Answers

...sludge on the plug electrode. If there is no fluid, I would have the coolant system flushed with plenty of water then add conventional/standard antifreeze. If you dont fully flush your entire coolant ...

...sludge visible inside cap area. Going to flush then add dexcool. Is it possible some jiffyluber topped it off with wrong coolant>? Any quick insights....it's going to stay in the 90s here in ...

...sludge then it is the coolant breaking down, this car used GM DEXCOOL and it will cause this problem 9of a sludgy looking deposit in the coolant recovery tank, clean it out and drain and refill ...

Question about 2002 Rendezvous

1 Answer

Dexcool antifreeze that GM uses in their vehicles can cause a gummy sludge to form in the cooling system, which can cause flow restrictions and overheating. I would suggest changing the thermostat and

...Dexcool antifreeze which causes slime and sludge to build up in the cooling system. It can clog a heater core. My suggestion would be to drain and flush the entire cooling system with Prestone Super ...

Question about 1999 Silhouette

1 Answer

...in radiator of my 1997 Mercury Mountaineer rad/cooling system not serviced.dex cool will sludge up.entire ststem needs to be flushed adding regular anti freeze to a dexcool system will also do ...

...does it mean when I have brown sludge in my anti freeze reservoir in my 2001 grandam? DexCool coolant has a tendency to sludge when it's old and exposed to air. Get a complete cooling system

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