Locked or auto
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Elder User
Joined: Mar 2006
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From: Bellville TX. Wof Houston
Locked or auto
Ok Guys Please dont make me out to be dumber than I already am.
New to 4 X 4 and the used 2000 F250 didn't come with an owners manual
am I suppose to keep it in locked or auto ?
Thanks a million
New to 4 X 4 and the used 2000 F250 didn't come with an owners manual
am I suppose to keep it in locked or auto ?
Thanks a million
Hook it, I'll pull it.
Joined: May 2007
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From: Grand Lake, La.
Token Redneck
Joined: Jun 2007
Posts: 9,339
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From: Breckenridge, TX
In "Auto" the hubs are not locked into the stub shaft, so the front axle does not spin when the truck drives. When the ESOF system is activated, a vacuum pulse locks the hubs into the shafts, so that the transfer case can power the front axle. When the system is turned off, a vacuum pulse unlocks the hubs. In "lock" the hubs are always locked in, the front axle always spins, but is only powered when the t-case is engaged by flipping the switch in the cab. The lock function is provided because the vacuum system is notorious for failing, so you can manually lock the hubs and be assured that the wheels are getting power in 4wd.
Posting Guru
Joined: Nov 2005
Posts: 1,519
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From: Wyandotte, Michigan
In "Auto" the hubs are not locked into the stub shaft, so the front axle does not spin when the truck drives. When the ESOF system is activated, a vacuum pulse locks the hubs into the shafts, so that the transfer case can power the front axle. When the system is turned off, a vacuum pulse unlocks the hubs. In "lock" the hubs are always locked in, the front axle always spins, but is only powered when the t-case is engaged by flipping the switch in the cab. The lock function is provided because the vacuum system is notorious for failing, so you can manually lock the hubs and be assured that the wheels are getting power in 4wd.
That is if the POS system works.
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