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Old 05-04-2015, 05:06 PM   #15
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Location: SW Florida
Posts: 1,163
Originally Posted by Thor3650 View Post
I have a 36 ft 1997 Thor Residency with the 460 engine and E4OD transmission. We usually take short trips and tow a 1995 Jeep Cherokee behind the RV. The MH runs great but the transmission temperature has me concerned. The orignial owner had replaced the transmission twice before I bought the MH. The two replacements were in the first 30k miles. The RV now has 36k miles on it and I added a transmission gauge to keep an eye on things. During freeway driving the temperature will slowly climb and run between 210 - 225 degrees. If I hit traffic it will cool down to around 200 degrees. I've already added an additional electric fan to the transmission cooler, but that only seems to help at low speeds.

My thought is that I need a bigger/better transmission cooler. I've searched the forums here and that seems to be the case. My question is can I just replace the original one or should I run a second one in line with the original? If I did the in line method, is there enough pressure to run through both?

Any recommendations on a good transmission cooler? Should I also add a deeper transmission pan and switch to synthetic fluid?

Any help would be appreciated. Thanks.
What temp. should it be running and think a GM tranny of the same vintage wouldn't go into limp mode before it reached 270F.
As for a cooler and if your dash air isn't working, use it's condenser for a cooler and see what that does for it.

07 Fleetwood Revolution LE 40E_Spartan MM_C9 Clatterpillar_ Allison 3000
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
Dinghy_2010 Jeep Wrangler JKU ISLANDER
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Old 05-04-2015, 05:57 PM   #16
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Sounds like a 4R100 pan. It is deep like a 4X4 pan.

1995 COACHMEN Santara 350FL on a 1994 Ford F53
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