Massive radiator problem! - Ford Mustang Forum
 
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post #1 of 10 (permalink) Old 04-06-2011 Thread Starter
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Exclamation Massive radiator problem!

I have a 1997 3.8L, and when i bought it we discovered a black gunk near the cap of the radiator. Almost as if it were oil. We flushed it. Also the resevoir had half radiator fluid half black gunk. We cleared that out as well. Replaced it all with new fluid. Ok, fast foward a year, and here I am today with the same problem. More gunk. Its a thick black sludge. I can run my finger around the edge of where the cap sits (inside of course) and i will get a thick sludge on my finger with a little bit of clear liquid around it. I was told by some guy that it could be a leak sealer. Wouldn't that have been washed out with the first flush. Then wouldn't there have been a leak. If its something differen't like oil, what could be the cause. Oil is causing so many problems for me! Ugh! please help.

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post #2 of 10 (permalink) Old 04-06-2011
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My first thought is that the cooling system was both poorly taken care and a leak sealer. If it were oil you would notice a decrease when you check it and also i wouldn't imagine it being thick and gunky if that makes sense. The oil wouldn't mix with the coolant like that. Most likely you will have to replace the radiator and thoroughly flush the system again. Good luck, I hope that helps a little.


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post #3 of 10 (permalink) Old 04-06-2011 Thread Starter
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Thanks. That helps. At, least i can ditch the oil idea. I'll see about a radiator.
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post #4 of 10 (permalink) Old 04-07-2011
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I would completely flush the entire cooling system and add fresh anitfreeze. If you just drain and refill the radiator most of the gunk will still remain.
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post #5 of 10 (permalink) Old 04-07-2011
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Quote:
Originally Posted by PowerbyFord View Post
My first thought is that the cooling system was both poorly taken care and a leak sealer. If it were oil you would notice a decrease when you check it and also i wouldn't imagine it being thick and gunky if that makes sense. The oil wouldn't mix with the coolant like that. Most likely you will have to replace the radiator and thoroughly flush the system again. Good luck, I hope that helps a little.
in another thread he has, he said hes been using 4 qts of oil a month..
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Originally Posted by ckrause2 View Post
Thanks. That helps. At, least i can ditch the oil idea. I'll see about a radiator.
did you not say that you're losing a massive amount of oil in another thread? so why ditch the oil idea

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Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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post #6 of 10 (permalink) Old 04-07-2011 Thread Starter
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I didn't think they would be related since i was told that it is unlikely.
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post #7 of 10 (permalink) Old 04-07-2011
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you were probably told it was unlikely because you didn't mention the massive oil loss

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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post #8 of 10 (permalink) Old 04-07-2011 Thread Starter
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True. Well how does that affect everything. Should i just get a new car? i can't find a 3.8 for my car on craigslist
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post #9 of 10 (permalink) Old 04-07-2011
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Quote:
Originally Posted by ckrause2 View Post
True. Well how does that affect everything. Should i just get a new car? i can't find a 3.8 for my car on craigslist
Car-Part.com

I highly recommend LKQ Recyclers..... either local if you have one, or sometimes their ebay engines go for cheap.
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post #10 of 10 (permalink) Old 04-07-2011 Thread Starter
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alright cool. Well ill see what i can do.
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