My '01 F250 does use up any fluid normally, but if I use 4x4 it goes through the fluid.
Any ideas? I hope it's a simple and cheap fix.
Any ideas? I hope it's a simple and cheap fix.
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Where is the fluid going -
I don't know? Don't see any leaks, that's what's really confusingComment
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TttComment
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Figure it out yet?Comment
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Here is an idea. the older GM auto trans used a vacuum modulator to tell the trans to shift, along with the internal governor. Now, I am not sure on the 2001 Fords, but It too may have a vacuum actuator for the transfer case to go into 4x4 mode. These have a diaphragm that fail, so when the vacuum is added..it sucks the fluid up and into the intake, and gets burned. Will not show a leak, and the smoke is barley visible if seem from behind.Comment
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No vacuum modulator on a 4R100 trans.
I was gonna guess that maybe the vent tube was clogged on the transfer case or transmission. There is a seal between the two units and could be leaking into transfer case adaptor????????Comment
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I haven't fixed it yet, really haven't had time to check on it. I really only use 4wd on PINS, and now I'm shifting to hunting.
I'm hoping to figure it soon though.Comment
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