Locking hubs
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New User
Joined: Feb 2011
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From: NH
Locking hubs
Hello all
Just bought an 06 F-350 Super Duty and I have a question. Most likely a stupid question but I'm full of those. Why would this truck have locks on the front tires if I have a switch on the dash for 4 hi and 4 low? What's the purpose of the locks? My F-150 had only the switch for 4 wheel.
Thanks all
Just bought an 06 F-350 Super Duty and I have a question. Most likely a stupid question but I'm full of those. Why would this truck have locks on the front tires if I have a switch on the dash for 4 hi and 4 low? What's the purpose of the locks? My F-150 had only the switch for 4 wheel.
Thanks all
Elder User
Joined: Apr 2010
Posts: 579
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From: Chiefland, Fl
You have "auto" hubs, sometimes they work, sometimes they don't. When they work, you have the ability to switch to 4x4 sitting in the truck and not have to get out to lock in the hubs. When 4x4 isn't engaged, they act as free spinning hubs. If you know you are going in nasty stuff, you can manually lock the hubs in and go into 4x4 without waiting for the hubs to lock in. IIRC, the auto hub feature uses vacuum lines to engage the 4x4 system.
Hotshot
Joined: Mar 2007
Posts: 10,101
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From: Pa
The previous posts filled you in on the reason. I'll add that the hub **** should be turned on a somewhat regular basis because the housing likes to corrode and seize the **** will seize and not be able to turn in the groove. A thin lubricant/anti rust spray that doesn't attract excess dirt is best. Once the groove corrodes you need to buy new hubs which are $200 each at minimum for the auto hubs.
Super Moderator
Joined: Aug 2008
Posts: 37,384
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From: Frederick, MD
The previous posts filled you in on the reason. I'll add that the hub **** should be turned on a somewhat regular basis because the housing likes to corrode and seize the **** will seize and not be able to turn in the groove. A thin lubricant/anti rust spray that doesn't attract excess dirt is best. Once the groove corrodes you need to buy new hubs which are $200 each at minimum for the auto hubs.
See the link.
Welcome to guzzle's 4x4 Autolock Hub Lubrication Maintenance Web Page
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From: Frederick, MD
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Joined: Feb 2011
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I was going to post this same question..what i still dont understand is if i manually lock the hubs am in 4 wheel drive or do i still have to go inside the truck and also put it into 4 wheel with the dash control.
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Hotshot
Joined: Aug 2006
Posts: 17,399
Likes: 318
From: Whittier, CA
And to add to this fine advice:
See the link.
Welcome to guzzle's 4x4 Autolock Hub Lubrication Maintenance Web Page
See the link.
Welcome to guzzle's 4x4 Autolock Hub Lubrication Maintenance Web Page
You are not in 4WD until you turn the **** on the dash. Until you do that the transfer case is still disengaged.
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