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  #1  
Old 08-14-2013, 08:15 PM
DKM Mike DKM Mike is offline
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Default Red oily fluid in radiator.

So I just got my 93 ranger with a 4.0 and an automatic transmission. The radiator was leaking so I bought a brand new one and dropped it in and after a little drive, when I got home i noticed it was leaking tranny fluid from the connections. I tightened them up and topped off the radiator and the water was pink milky with pink dots on top and very oily to touch. Very similiar to tranmsission fluid. is this some kind of conditioner they put in new radiators or did I buy a bad radiator? Whats the deal here. Thanks
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Old 08-14-2013, 08:17 PM
pooleo pooleo is offline
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Default Re: Red oily fluid in radiator.

Could be possible that the transcooler is bad, or that you cracked it by overtightening.

Either way, if trans fluid is in your coolant, you most likely will have coolant in your trans. And thats a bad thing!
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Old 08-14-2013, 08:17 PM
Ordinary Biker Ordinary Biker is offline
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Default Re: Red oily fluid in radiator.

Sounds like the tranny cooler is faulty, letting tranny fluid mix with the coolant. Don't drive it as this is bad for your transmission.
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Old 08-14-2013, 08:35 PM
DKM Mike DKM Mike is offline
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Coolant in transmission. Does this mean I hurt my transmission? What do you guys recommend I do about this? For now I disconnected the tranny cooler lines to avoid water bleeding into them. Thanks again
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  #5  
Old 08-14-2013, 08:38 PM
Ordinary Biker Ordinary Biker is offline
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Depends on how much time it has ran like that. Drain the fluid.
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'98, 2wd, 2.5l, 5spd, regular cab step side
'07, 4X4, 4.0l, 5spd, super cab fleet side
'66 Ford Mustang 289, Auto
'81 Yamaha XS850 custom bobber
'91 Suzuki Marauder

They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety. - Ben Franklin
The best government is a benevolent tyranny tempered by an occasional assassination. - Voltaire
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  #6  
Old 08-14-2013, 08:43 PM
DKM Mike DKM Mike is offline
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I neglected to mention something. I got hone from the short 3/4 mile drive and like I said. The fluid was leaking out of both connections. I tightened them and one didn't feel like it was getting tighter. Then I heard a crack. I stooped there and haven't started it since then.(kind of an important detail. I know)
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Old 08-14-2013, 08:52 PM
pooleo pooleo is offline
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Default Re: Red oily fluid in radiator.

I would flush the trans fluid and put in a new filter. Coolant will tear a trans up.
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1999 | Ext. Cab | 4.0 | 4x4 | 4.10's
Quote:
A Gladiator does not fear death. He embraces it. Caresses it. Fucks it. Each time he enters the arena, he slips his c0ck in the mouth of the beast, and prays to thrust home before the jaws snap shut. - Oenomaus
Ball Joints/Upper A-Arms How To
Replace Door pin/bushing
Repair broken dome light tabs
VIDEO OHC Install
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  #8  
Old 08-14-2013, 08:55 PM
DKM Mike DKM Mike is offline
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Ignore this Sorry I sent the same thing twice.
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