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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Radiator gunk?

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Old Aug 30, 2011 | 08:56 PM
  #1  
joekacker's Avatar
joekacker
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From: Everett Washing
Radiator gunk?

I was going to do a fluid flush, Its been awhile, Im sure. This truck was rarely driven before I bought it. When I took off the cap The fluid is a rusty dark-red brown, Which usually means Rust in the system and It needs to be flushed. But I noticed on the filler neck and the cap, There was like a goo, kinda like doe. and I could roll it in my fingers and it wouldnt break apart ? Did someone use some kind of stop leak do you think, or have you guys had this too. Any ideas? Ive flushed rusty systems and have never noticed this before
 
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Old Aug 30, 2011 | 10:12 PM
  #2  
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cj06
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Joined: Feb 2010
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From: CASA GRANDE AZ
never know what the previous owner put in the radiator , could be anything ! are there any signs of old leaks ? i have put laundry soap in radiators before and it seemed to clean the system up pretty good , it was like a last ditch effort before replacing the radiator ! put it in and dove for a day then flush flush flush !
 
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