4WD Low not working
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Senior User
Joined: Nov 2003
Posts: 332
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From: NH
4WD Low not working
4WD high works fine. When I go into 4WD High, then neutral, and then 4WD Low, I do not hear the transfer case engage. I know on my other two previous Excursions I could clearly hear the t-case engage. It stays in 4 high, this I am certain of. I typically use Low to crawl down my driveway when we have snow. Suggestions?
Thread Starter
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Senior User
Joined: Nov 2003
Posts: 332
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From: NH
Yes, at a complete stop, foot on the brake. It stays in 4 high if I go back to drive.
Fleet Mechanic
Joined: Oct 2010
Posts: 1,407
Likes: 155
From: Milwaukee, WI
Straight from the factory manual:
"If equipped with the Electronic Shift 4WD System, and 4WD Low
is selected while the vehicle is moving, the 4WD system will not
engage. This is normal and should be no reason for concern.
Before 4WD Low can be engaged, the vehicle must be brought to
a complete stop, the brake pedal depressed and the transmission
placed in N (Neutral)."
I believe it is the same process to get out of 4WD Low.
Manual link: https://www.fleet.ford.com/maintenan...ls/results.asp
"If equipped with the Electronic Shift 4WD System, and 4WD Low
is selected while the vehicle is moving, the 4WD system will not
engage. This is normal and should be no reason for concern.
Before 4WD Low can be engaged, the vehicle must be brought to
a complete stop, the brake pedal depressed and the transmission
placed in N (Neutral)."
I believe it is the same process to get out of 4WD Low.
Manual link: https://www.fleet.ford.com/maintenan...ls/results.asp
Thread Starter
|
Senior User
Joined: Nov 2003
Posts: 332
Likes: 0
From: NH
Straight from the factory manual:
"If equipped with the Electronic Shift 4WD System, and 4WD Low
is selected while the vehicle is moving, the 4WD system will not
engage. This is normal and should be no reason for concern.
Before 4WD Low can be engaged, the vehicle must be brought to
a complete stop, the brake pedal depressed and the transmission
placed in N (Neutral)."
"If equipped with the Electronic Shift 4WD System, and 4WD Low
is selected while the vehicle is moving, the 4WD system will not
engage. This is normal and should be no reason for concern.
Before 4WD Low can be engaged, the vehicle must be brought to
a complete stop, the brake pedal depressed and the transmission
placed in N (Neutral)."
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Excursion Fleet Manager
Joined: Dec 2009
Posts: 1,791
Likes: 5
From: Green Oak, MI
Crawl under truck, beat on transfer case with rubber hammer?
I've never read up much on the t-case, but I think it does take some sort of oil. Maybe it's low on that and won't shift without proper oil levels?
I've never read up much on the t-case, but I think it does take some sort of oil. Maybe it's low on that and won't shift without proper oil levels?
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Fleet Mechanic
Joined: Oct 2010
Posts: 1,407
Likes: 155
From: Milwaukee, WI
Since you know the process well, I'd look at the shift motor for the T-case to be sticking. I'm guessing that is the next place to look. I think there is an actuator connected to the motor that can stick too.
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