Radiator Help!
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New User
Joined: Nov 2012
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Radiator Help!
Hey Guys,
I've got a 1993 F-150 4.9 I6 and I just pulled my radiator out because it was starting to leak in a few spots. I've been all over town looking at radiators to buy and they all are different from the one I have.
My radiator only has the two large tubings on it, however the new ones have two small female fittings on the left side (under the fill cap). I assume these are for transmission cooler lines, but I don't have those to fit there. Am I supposed to plug these up, or am i not understanding something?
Thanks for your help
I've got a 1993 F-150 4.9 I6 and I just pulled my radiator out because it was starting to leak in a few spots. I've been all over town looking at radiators to buy and they all are different from the one I have.
My radiator only has the two large tubings on it, however the new ones have two small female fittings on the left side (under the fill cap). I assume these are for transmission cooler lines, but I don't have those to fit there. Am I supposed to plug these up, or am i not understanding something?
Thanks for your help
Posting Guru
Joined: Jul 2009
Posts: 1,069
Likes: 1
From: Toledo, Ohio
I misread and was assuming you were talking about the overflow fittings...
Yes... Those are for the transmission oil lines. They will be fine if you just cap them to keep dirt and crud from getting in..
Yes... Those are for the transmission oil lines. They will be fine if you just cap them to keep dirt and crud from getting in..
Posting Guru
Joined: Jul 2003
Posts: 1,273
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Replacements come with the trans cooler inside the one tank. If you dont need them as your truck must be stick, just plug them as it isnt needed in your instance. They sell inverted flare plugs at aute part stores , or they might be included with the replacement radiator.
Senior User
Joined: May 2010
Posts: 285
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I think all the radiator manufacturers have gone to making the radiators fit either autos or manuals. Parts places and even the specific radiator place around here don't even ask which kind it is anymore. Must be cheaper to make them fit both rather than deal with having to distinguish between them.
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Logistics Pro
Joined: Jan 2007
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From: Martinsburg, WV
You do not have to plug them at all, just leave them alone, anti-freeze does not flow through an automatic transmission. What I find amazing is none of the "parts people" explained that to you.
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Joined: Nov 2012
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Cool, Thanks everyone for responding. I didn't get a chance to get back on after I figured it out, but i'm glad my reasoning was substantiated by knowledge! And who would've thought they would have forgotten to explain that to me
Postmaster
Joined: Nov 2011
Posts: 3,533
Likes: 17
From: SW Florida
Right, it's simply a water/oil heat exchanger in the side tank. But I would plug them, you don't want the internals to corrode because then you'll have a leak again.
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