Transmission overheated?
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Elder User
Joined: Jun 2003
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From: Bay Area, CA
Transmission overheated?
Hey Everyone, I have a 1999 F 350 7.3 4x2. Today I was pulling my say 5k car trailer up a steep hill for a few miles. It was a dirt road and I was going very slow. No shifting problems or anything. I did end up dropping it in first for the last stretch, because I really underestimated the hill. I got to the top and nice pink bubby tranny fluid was pouring out. I sent the crew to Wally World to grab more fluid to get me down the hill so AAA could tow me home. After the truck sat for a few hours there was only a little leak, then nothing. I added a few Quarts, and headed home checking it often. Nothing. Not a drop. What happened? Is there an overflow? I will change the fluid tomorrow, what should I run in it? Synthetic? the truck has 108000. thanks guys.
New User
Joined: Jan 2010
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If you were going below 35 than there probly wasn't enough air flow to keep it cool. If im not mistaken, your trans cooler lines might not run through your radiator so you don't get the extra cooling there. Synthetic is good but you still need to keep it cool.
Post Fiend
Joined: Mar 2007
Posts: 26,966
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From: Texas
Sounds like you overheated the fluid. How does it smell? Flush the fluid ASAP and hope for the best.
If you plan on hauling loads up steep hills, have you got an auxiliary or upgraded cooler? Shift Kit? Tranny temp gauge?
If you plan on hauling loads up steep hills, have you got an auxiliary or upgraded cooler? Shift Kit? Tranny temp gauge?
Freshman User
Joined: May 2008
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I double towed my 5th wheel and utility trailer with a Polaris Ranger up a steep grade and then up and down a dirt road at low speed until I got to camp. My needle hit the red and temp stayed up for a bit. Just change out the fluid and hope all is good. Have not had a problem after 2 years.
Senior User
Joined: Feb 2008
Posts: 303
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From: Central Washington State
Heated mine to what you are describing about 10,000 miles ago, did as has been suggested, flushed and put in new fluid. Installed a Factory Tech VB at the same time, no trouble since. Good luck.
Edit: Buy a case, you will need about 18 or 19 if you do a complete flush.
Edit: slow typing
Edit: Buy a case, you will need about 18 or 19 if you do a complete flush.
Edit: slow typing
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
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Elder User
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For a DIY flush, you'll need 20 qts. Changing ATF Fluid in a E4OD and 4R100 transmission .: Articles
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