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04-04-2013, 09:06 AM
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#1 |
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Registered User
Join Date: Sep 2008
Location: Chattanooga, TN
Posts: 13
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Weird Coolant Leak
I have a 96 Cobra that has developed a coolant leak after sitting in the garage all winter. The leak is driver side front at the block. It is dripping off the oil filter. The weird part is that it doesn't leak when hot and under pressure. It leaks while sitting after cooling down completely.
 I thought maybe freeze plug but that shouldn't leak when cold only. Any ideas?
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SCMC # 2014 1965 Mustang Fastback 1978 Ranchero (Project) 1996 Mystic Cobra 2004 Mystichrome Cobra Convertible 2005 Mustang Convertible |
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04-04-2013, 08:43 PM
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#2 |
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Dr Jekyll on the street, Mr Hyde on the track
Join Date: Jun 2001
Location: Rock Hill SC
Posts: 14,649
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Is the factory oil cooler on that side? That is what I would think is the culprit. I can't remember if the cooler is over there or not?
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04-05-2013, 05:02 PM
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#3 |
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Registered User
Join Date: Sep 2008
Location: Chattanooga, TN
Posts: 13
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Yes it is, and that indeed may be the source. I just need to check it out from the underside and isolate the leak if I can.
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SCMC # 2014 1965 Mustang Fastback 1978 Ranchero (Project) 1996 Mystic Cobra 2004 Mystichrome Cobra Convertible 2005 Mustang Convertible |
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04-08-2013, 09:13 AM
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#4 |
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NASA American Iron #16
Join Date: Oct 2001
Location: Northern VA
Posts: 608
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Yeah, that IS where the factory oil cooler is. They are known to leak. There are a few O-rings in there that shrink when cold for a long time. You should be able to get those 0-rings and the block gasket from Ford still. I changed mine not too long ago while chasing a bad head gasket. I had oil in my coolant.
If you do the work yourself, you'll need a big 1/2" allen wrench to get that thing off. That's the only special tool I think you need. I bought a socket so I get better leverage. It's on there pretty tight.
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Jimmy Bost #00539 '17 Ruby Red GT350 #H6022 | '65 Mustang hardtop |
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