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View single post by wh23g3g
 Posted: Sat Apr 14th, 2018 11:23 pm
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wh23g3g

 

Joined: Sun Mar 11th, 2018
Location: Georgia USA
Posts: 130
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I saw a couple 99 Rangers today in the salvage yard with factory external coolers. I saw how it was connected and I went ahead and grabbed the 3 screws. I'll buy a new cooler. The way I've had my aftermarket Hayden cooler hooked up on my 2.5L for years is through the top line. I disconnected the oem top cooler line from the radiator and put the transmission spec cooler hose on it and ran to the cooler. Then I had a barbed fitting in the radiator where the original line went and had a hose running back to the other external cooler connection. I'll have to see if I can get a picture. The problem is I've had to remove my plastic black air dam behind the grill to run the cooler hose through a hole that was in the core support. Even with a grommet put in there over the years it's worn a groove in the hose. I fixed the grommet for now but I'll need to change the hose so I was planning on doing the swap to the factory external cooler while I do that. Does it matter if you run the external cooler hoses through the bottom transmission line or the top transmission line? It appears the 6 cylinders ran from the bottom cooler line. But I'm not sure because the 4.0 was the 5R55E and the 3.0 I think had a fitting on both sides of the radiator. I don't want to connect it wrong and burn up the transmission. I could just run the hoses the way I have it to the new oem external cooler but it would just be a lot more hose since it's coming from the top.



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1998 Ford Ranger XLT 2.5 4R44E Automatic 4.10 non-limited slip, 1993 Ford Ranger XLT 2.3 M5 Manual, 3.45 non-limited slip