Question about 1983 GMC Jimmy

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1999 jimmy overheating and only blows cold air, also reserve is brown gunk

Overheating, blows cold, n brown gunk in reserve

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Is there water in the oil? Does it look like a chocolate shake?

Posted on Jan 14, 2013

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  • Kathy Read Jan 14, 2013

    no not oil just crud

  • kevin gruenewald Jan 14, 2013

    If you pull the engine oil dipstick and look at the fluid on the end. If its milky that means water in the oil. If the car has a coolant leak the coolant used by GM is called dexcool. It turns into a gel like substance when it hits air. It meant to be a closed system.

  • Kathy Read Jan 14, 2013

    no oil is fine

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Posted on Jan 02, 2017

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1 Answer

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