Question about Chevrolet Impala

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You can squeeze my radiator hose and feel it cracking. So i took it off and broke it lose and it was coated around the whole tube. Now one of my friends say's he thinks it's liquid glass.. My radiator cap was full of the same thing.. What could this be and is there a way the flush it out and not mess my engine up?

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Depending on the year of vehicle Dexcool may be what was the antifreeze in the system is and has had issues with anti corrosion inhibitors. Here are a few links to pics that dexcool can do http://temp.corvetteforum.net/c3/miker//dexcool_01.jpg and http://i48.photobucket.com/albums/f229/wjcollier07/Car/98%20Bonneville/DSCN3150.jpg. What I have done was empty all coolant from the system and leave the radiator drain valve open and run a garden hose for awhile till the muck cleans up and clears out with engine running. This may have also occurred by mixing dexcool and standard green antifreeze. Shut the vehicle down and let completely drain out again close the valve and refill with pre-mixed antifreeze or a 50/50 solution of antifreeze and distilled water. This may take awhile to clear out all this gunk.

Posted on Oct 12, 2010

  • Jonathan S
    Jonathan S Oct 12, 2010

    Please be sure to dispose of the old antifreeze properly.

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Someone may have put some sort of stop leak in the radiator before you bought the car. Drain the coolant, flush the system, replace the thermostat, and fill it with a 50/50 mix of the approved antifreeze and distilled water. Be sure and bleed all air from the system.

Posted on Oct 12, 2010

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