auto trans. problems F-350
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auto trans. problems F-350
My brother has a 92' f-350 with an auto trans. He uses it to plow snow. A couple years back when he was plowing and doing a lot of backing up it started to leak tranny fluid out of the breather hole in the tranny. After he let it sit for a while it quit leaking. He never did figure out where the leak originated from, but it seemed to be caused by backing up a lot when he was plowing. Now last year he had the tranny completely re-built and guess what... the other day when he was plowing it started leaking a steady stream out of the breather hole. After letting the truck sit for a while the leak stopped. Nobody has been able to tell him what the cause of this could be. Anyone have any ideas?? Anyone ever seen similar problems??
Thanks
Thanks
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From: CA Desert
Northwood,
From other posts I've read that running in reverse heats up that tranny quite a bit due to the gears running the oposite direction. My guess is the heat expands the fluid, therefore "boiling over". Someone well-versed in this subject will soon add to this, I'm sure. All I know is to take it easy in reverse.
RedCrewCab4x4
From other posts I've read that running in reverse heats up that tranny quite a bit due to the gears running the oposite direction. My guess is the heat expands the fluid, therefore "boiling over". Someone well-versed in this subject will soon add to this, I'm sure. All I know is to take it easy in reverse.
RedCrewCab4x4
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ford problems
I thought for sure somebody would be able to give me an idea about my brothers tranny problems. Oh Well, maybe he will finally take my advice and buy a Dodge! 
I've got 245,000 on my Cummins powered Ram with nary a problem.
I've got 245,000 on my Cummins powered Ram with nary a problem.
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Whats a Dodge
It makes perfect sense to me that about the only reason a guy would have a Ford is because they don't know what a Dodge is 
Look closely at the make of the next truck which flies by you going up a grade on the interstate, more than likely it will be pulling a load while your empty
as it is quickly disappearing in the distance you might be able to see through the black smoke that it says Dodge on the tailgate
Okay I can see I'm in the wrong forum
I better clear out of hear before I get 
Back to the Turbo Diesel Register fer me
Look closely at the make of the next truck which flies by you going up a grade on the interstate, more than likely it will be pulling a load while your empty
as it is quickly disappearing in the distance you might be able to see through the black smoke that it says Dodge on the tailgate Okay I can see I'm in the wrong forum
I better clear out of hear before I get Back to the Turbo Diesel Register fer me
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flame war?
Hey sorry man, was just jokin around. Just came over here trying to help my brother out. to be honest I've owned about every brand of truck...just happen to own a Do
ge now adn it's been good.
Semper FI right back at ya, and god bless, no hard feelings I hope, and all that.
ge now adn it's been good.Semper FI right back at ya, and god bless, no hard feelings I hope, and all that.
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From: Texas
Hey I think I've seen that guy. He did pass me going up a hill the other day.
Yep he's right he passed me We just stared going up the hill. He went by and just like
he said through all the black smoke you could just make out it was a Dodge.
You see he started his run way before the hill and had it wide open when he passed
me. That's why there was so much black smoke. Yep I was unloaded. But then
all he was pulling was a little old jet ski trailer.. I think he is just trying to make
himself feel better because of all the pointing and laughing everyone in my truck
was doing when I passed him back up at the top of the hill..
Yep he's right he passed me We just stared going up the hill. He went by and just like
he said through all the black smoke you could just make out it was a Dodge.
You see he started his run way before the hill and had it wide open when he passed
me. That's why there was so much black smoke. Yep I was unloaded. But then
all he was pulling was a little old jet ski trailer.. I think he is just trying to make
himself feel better because of all the pointing and laughing everyone in my truck
was doing when I passed him back up at the top of the hill..
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From: OK
I agree with the heat analysis. If the truck doesn't have an aux. cooler, then he should definitely get one. If it has the OEM cooler, than a larger/better one should be installed. Plowing (especially in reverse) generates a lot of heat because there isn't much airflow to cool the fluid.
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hot tranny
Hey thanks for the advice NOMO, No cooler on his tranny...doesn't have a temp. gauge on it either. I'll advise him on the heat issue and maybe even try and find a gauge and help him get it on there. I can understand that the tranny might tend to heat up more in reverse... but what is puzzling me is why the fluid starts running out when overheated?? Fluid expansion like REDCREWCAB mentioned? Hmmm.
On edit: Tread lightly northwoods91
On edit: Tread lightly northwoods91
Last edited by Yeti; Feb 11, 2004 at 07:11 PM.
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From: OK
Yes, transmission fluid expands when hot. The vent is there to let gasses escape and keep seals from getting blown out when the tranny is "over full". Since the fluid has likely been VERY hot, he needs to change it asap. A guage and external cooler will help avoid the situation in the future.