E40DTransmission cooler question
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E40DTransmission cooler question
I have a 1991 F250 Lariat, automatic, 4x4 with a 460 and E40d. It has 80,000 original miles on it. I carry a pretty heavy camper and sometimes tow a boat. I was having a shifting problem, with the transmission jolting violently when the transmission got warm. I took the advice of those of you on the forum that know a lot more than I do, and instead of buying a rebuilt transmission took it to the shop and had them test it. They replaced a sensor (?) and it shifts fine. (Thank you, as I was about to rebuild my transmission).
Anyway, I live in Seattle-area and though the winters are cool I do my camping in July and August when the temperatures are often in the 80s and 90s. I would like to make my transmission last as long as I can so I'm wondering if I should have a bigger/better transmission cooler installed other than the factory cooler which is currently in place.The shop said the one I have is fine, but I've heard so many negative things about the E40d that I thought I would ask you folks.
Anyway, I live in Seattle-area and though the winters are cool I do my camping in July and August when the temperatures are often in the 80s and 90s. I would like to make my transmission last as long as I can so I'm wondering if I should have a bigger/better transmission cooler installed other than the factory cooler which is currently in place.The shop said the one I have is fine, but I've heard so many negative things about the E40d that I thought I would ask you folks.
Laughing Gas
Joined: Oct 2014
Posts: 1,227
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From: Washington
My truck weighs on average about 9500-10000 lbs. I recently had my transmission replaced with a reman from a local supplier in Kent. After I got it back I noticed that the coolant temp was reading the same as before I had the transmission replaced. I decided to replace the stock tranny cooler with a larger one recommended by the transmission supplier; PN LPD 4590. It's 11"x11"x1.5", more than twice as big as the stock cooler. Now the coolant temp stays much closer to hot idle temps, doesn't get nearly as hot on the freeway/climbing hills, and cools down much faster afterwards.
It also comes with hardware and brackets to install it. There are better ways to mount it than mine, but I don't have the tools necessary to adapt the included hardware in that fashion.
It also comes with hardware and brackets to install it. There are better ways to mount it than mine, but I don't have the tools necessary to adapt the included hardware in that fashion.
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