- #36 of 75
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Re: Automatic shift on the fly [godchsrf150]
by brianw208
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Jan 23, 2008 (4:00 pm)
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Replying to: godchsrf150 (Jan 15, 2008 6:27 pm)
With my 1999 F350 the light came when I switched to 4/Wheel Drive, but the HUBS did not lock. When I manually locked the hubs the 4/Wheel drive worked if this is how yours reacts then follow the info below. The auto hubs lock up by vacuum, with my F350 all vacuum lines did not have any leak but the HUB Seals did. You should check all vacuum lines and the pump first them if no leaks are found check the hubs.
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- #37 of 75
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Re: Automatic shift on the fly [brianw208]
by whitfield1
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Feb 27, 2008 (7:41 am)
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Replying to: brianw208 (Jan 23, 2008 4:00 pm)
i have had this same problem in my 2000 f 350, i had my mechaninc take the hubs apart and free them up and lube them as at first the manual turning of the hubs was very hard, this made manual locking easy but did not fix the auto problem. I have checked out the vacum including installing a new vacum solenoid on the passenger fende rand all is well with that. Now i have been told that all i can do is buy new hubs which are expensive. Could you please relate to me what exactly i need to look for or do to my hubs to fix a vacum leak in them?
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- #38 of 75
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they tell me my calipers burnt the hubs
by kkrash
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Mar 08, 2008 (8:19 am)
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2001 350 diesel 7.3 liter HELP! ford dealer says my 4x4 locked up and the calipers burnt the hubs. A bit technical for me. I think they are scamming me out of $1100.00 I know i can get it done cheaper but how do i really know that is the problem.ps only 80k miles Thanks
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- #39 of 75
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Re: they tell me my calipers burnt the hubs [kkrash]
by frog12
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Mar 09, 2008 (6:47 pm)
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Replying to: kkrash (Mar 08, 2008 8:19 am)
Hey Guys...My son has an '03, F-250 & I have an '05 F-350 both have similar problems as the topic. My 4X4 wouldn't slip in with the interior switch. The shop replaced my vac pump (rt fender) without checking anything...that did nothing. They said that the pump goes out frequently. Then they started checking and told me that it is the gem module. Now I'm hearing hubs... My son didn't have any problems until they worked on the heads. Now he has had the vacuum pump replaced. Revolving cash register. Neither of our problems have been fixed, BUT, I'm thinking that if fORD's better idea engineers continue with these kind of issues... I'm looking for a '55 2 wheel drive. Call me a FROG!!!
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- #40 of 75
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Re: they tell me my calipers burnt the hubs [frog12]
by pcmedic
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Mar 10, 2008 (4:00 am)
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Replying to: frog12 (Mar 09, 2008 6:47 pm)
I had a simular problems on my 2004 f250 diesel and all it was that the vacuum line that control the hubs had a hole in it. The dealer also tried to repair the pump but I said no and found the hole. The vacuum lines run under the engine to each hub.
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- #41 of 75
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loss of front drive
by spoom
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Jun 07, 2008 (4:53 pm)
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'03 5.4 F150 4x4 At about 30k miles lost the front part of the 4 wheel drive. Inside the front pumpkin there is an unbelieveably cheap potmetal-appearing yoke for sliding the splined gear that engages the front half shafts. Just over $400 at a trusted independant transmission shop. I was stunned how cheaply made this little part was-I can see the bean-counters cheaping up on a door handle or something easy to get at, but not something like that! 
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- #42 of 75
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Shift on the fly switch frozen
by ssbn599
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Jun 16, 2008 (2:23 pm)
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I have a 2000 F-150 lariet 4WD. The shift on the fly switch won't budge. What should I try to troubleshoot? Thanks.
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- #43 of 75
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'99 F-250 SD 4x4 auto hubs locking in on their own
by bob2539_1
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Nov 07, 2008 (5:45 am)
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- #44 of 75
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'99 F-250 SD 4x4 auto hubs locking in on their own
by bob2539_1
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Nov 07, 2008 (5:45 am)
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When traveling the front hubs seem to try to lock in...it makes a noise like going over rubble strips...to stop it I turn the switch to 4 wheel drive and it stops...or I manualy lock the hubs in and it stops the noise...do I need to replace the hubs ???
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