[AT] tractor hauler has rubbery gunk in coolant

[David Bruce]

My 2001 Malibu has issues with a gasket that allows oil into the coolant 
when the seal fails. Might be the same sort of issue.

David
NW NC

On 11/19/2015 8:04 AM, Doug Tallman wrote:
> Cecil, try dipping a rag in it to see if you can get it out. Maybe
> overfill the rad and force it out. If it's a one time deal, it will be
> done. If it reforms, I'd suspect somehow its getting oil in the
> coolant.  Doug T
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> On 11/19/2015 7:34 AM, Cecil R Bearden wrote:
>> My 2000 F150 w/5.4L ( the former drug runner vehicle ), the one that had
>> a 60K mile engine installed to replace the original.  Has some rubbery
>> gunk on top of the antifreeze in the radiator tank.  The antifreeze
>> looks green and ok underneath, but there is a 1/2 inch of this black
>> rubbery gunk floating on the top that really feels like weatherstrip
>> adhesive that never sealed up.  A friend who has a lot of experience
>> with used cars said it could be silicone sealant that was used when the
>> mechanic installed a new water pump..    Anyone had any experience like
>> this?.  I really have too much money in this thing to try to sell it
>> now..  It is running fine and cool, and everything works...
>>
>> Cecil in OKla
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