Diagnosing a bad transfer case - 2012 Ford Expedition EL
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Laughing Gas
Joined: Dec 2006
Posts: 1,008
Likes: 5
Diagnosing a bad transfer case - 2012 Ford Expedition EL
Is there a temperature sensor for the transfer case? How hot should the transfer case be getting?
Had the transfer case rear (driveshaft) seal replaced and transfer case fluid changed in January a couple hundred miles ago. This was done by a reputable shop.
I needed to move a trailer out of a bit of mud, so I shifted to 4HI mode to drag it and the front wheels locked up on me.
Shifted back to 2wd mode and limped the truck home.
Crawled under and noticed the transfer case is steaming hot. I can't touch it without burning myself.
Meanwhile the transmission pan and engine oil pan, while warm, I can at least keep my hand on.
Transfer case is also making some whining/growling noises on deceleration.
2012 Expedition EL.
I'm slated to pull a 7500 lb trailer full of mulch tomorrow for my kid's Scout troop fundraiser.
What's the likelihood that the case is toast and what's the danger of running it in 2wd mode all day tomorrow?
Had the transfer case rear (driveshaft) seal replaced and transfer case fluid changed in January a couple hundred miles ago. This was done by a reputable shop.
I needed to move a trailer out of a bit of mud, so I shifted to 4HI mode to drag it and the front wheels locked up on me.
Shifted back to 2wd mode and limped the truck home.
Crawled under and noticed the transfer case is steaming hot. I can't touch it without burning myself.
Meanwhile the transmission pan and engine oil pan, while warm, I can at least keep my hand on.
Transfer case is also making some whining/growling noises on deceleration.
2012 Expedition EL.
I'm slated to pull a 7500 lb trailer full of mulch tomorrow for my kid's Scout troop fundraiser.
What's the likelihood that the case is toast and what's the danger of running it in 2wd mode all day tomorrow?
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Laughing Gas
Joined: Dec 2006
Posts: 1,008
Likes: 5
I limped the truck back home and removed the drain plug. Less than a quart of watery black fluid came out.
It smelled like burned death and contained glitter.
I saved it in a old fruit juice container.
It smelled like burned death and contained glitter.
I saved it in a old fruit juice container.
Fleet Mechanic
Joined: Aug 2002
Posts: 1,899
Likes: 29
From: Raleigh USA
Damn that sucks. Sounds like they forgot the most important step to changing fluid. I would not drive it like it is. There are things moving around in the case even in 2wd and when those things let loose it can do some major damage. Right now all it needs is a new case.
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cw50must
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