Question about Jeep Cherokee

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The cooling system in my 2001 Jeep Cherokee 4.0 6cyl. is expelling a red clay like substance. I purchased this vehicle 2 months ago and flushed it with super flush because of this condition and it's doing it again. Help

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  • Eric Vanderberry May 02, 2010

    Can you explain a full reverse flush? I have a flush connection in the heater line that adapts a garden house. Is this sufficient?

  • Eric Vanderberry May 02, 2010

    I have a Garden hose connection installed in the heater line. Is this sufficent to do the reverse flush?

  • Eric Vanderberry May 02, 2010

    I have a garden hose attachment that is made for flushing the cooling system, through the heater hose. Is it sufficient enough for the reverse flush you referred to?

  • Eric Vanderberry May 02, 2010

    Thank you for replying in a timely manner. I will give this advice a try ant take it from there.

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Are you using dex cool orange coolant?? If so your condition is normal as the dexcool will get clay like when exposed to air. The problem is I dont believe your Jeep is designed to run on Dexcool (for aluminum heads) and it will possibly cause clogs and blockages. Check your radiator/fill cap and double check as I'm pretty sure your cherokee uses standard green 50/50 coolant. If it doesnt say Dex cool on the cap then flush the system and put the required green coolant back in and your problem should go away!

Posted on May 02, 2010

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Have a full, REVERSE flush done on it and then add an antifreeze with a rust inhibitor in it. You should add enough to set the freezing point to 10° BELOW zero. This is also an anti boil solution.

Posted on May 02, 2010

  • David Shaub May 03, 2010

    If you have the kit I'm thinking of, it is the right thing. The water will flush out and overflow out of the radiator filler hole.

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