Rear Differential Question..
Thread Starter
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Senior User
Joined: Aug 2008
Posts: 169
Likes: 1
Rear Differential Question..
Hello Everyone,
I have a 2006 Ford F250 (5.4L) with a 3.73 rear diff.
I was stuck in the snow a few days ago. I had my driver door open when I was trying too rock back in forward in the snow to get out. I notice when I was in 4x4 my rear passenger tire was spinning, but not the rear driver side tire. Is this how it works? I thought when I switch to 4x4 from 2x4 that both tires work together. I have the switch on my dash. I did not try to switch manual on the hub. The light lite up and you can hear the unit working. Is my ESOF damage or is my rear diff damage? Do I need to get a posi traction/limited slip gear installed? Any information will be helpful.
Thanks..
I have a 2006 Ford F250 (5.4L) with a 3.73 rear diff.
I was stuck in the snow a few days ago. I had my driver door open when I was trying too rock back in forward in the snow to get out. I notice when I was in 4x4 my rear passenger tire was spinning, but not the rear driver side tire. Is this how it works? I thought when I switch to 4x4 from 2x4 that both tires work together. I have the switch on my dash. I did not try to switch manual on the hub. The light lite up and you can hear the unit working. Is my ESOF damage or is my rear diff damage? Do I need to get a posi traction/limited slip gear installed? Any information will be helpful.
Thanks..
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
4 wheel drive is not really 4 wheel drive. What it means is it diverts power to both the front and rear axle. The rear axle takes the input power and transfers it the same way it always does, either through an open diff, a LS or a locker. The same goes for the front.
If you want both rears to spin, you need to upgrade the diff to either a good limited slip or locker. The stock LS wasn't great even if you had one.
I am tired, but I think in forward, the right rear and left front should have power, in reverse it's the opposite.
If you want both rears to spin, you need to upgrade the diff to either a good limited slip or locker. The stock LS wasn't great even if you had one.
I am tired, but I think in forward, the right rear and left front should have power, in reverse it's the opposite.
Thread Starter
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Senior User
Joined: Aug 2008
Posts: 169
Likes: 1
ReAx thanks for the information. I found out that my ESOF line was disconnected. I hook it back up an everything started to work correctly. My front wheels started to grab and my rear tires work correctly. Again thanks for your information.
