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Old 07-04-2005, 20:01   #1 (permalink)
Ivey Cole
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2000 F350 4X4 turn switch to 4wd seems to short circuit

When the 4wd switch on the dash is turned to 4wd, the air vent switches
from the dash to the floor and the automatic locking hubs don't lock.
When the switch is turned to 2wd it takes a few minutes before the air
vents turn back to the dash. It seems that some auto reset circuit
breaker is getting tripped. Anyone have any idea as to what this may
be. Don't know if this relates to the hubs not locking or if that is
another problem.
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Old 07-04-2005, 20:01   #2 (permalink)
Chuck
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Re: 2000 F350 4X4 turn switch to 4wd seems to short circuit

Sounds like you have a vacuum leak.
"Ivey Cole" <linuxdummy@yahoo.com> wrote in message
news:u5gye.756$vT3.576@newssvr30.news.prodigy.com...
> When the 4wd switch on the dash is turned to 4wd, the air vent switches
> from the dash to the floor and the automatic locking hubs don't lock.
> When the switch is turned to 2wd it takes a few minutes before the air
> vents turn back to the dash. It seems that some auto reset circuit
> breaker is getting tripped. Anyone have any idea as to what this may
> be. Don't know if this relates to the hubs not locking or if that is
> another problem.



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Old 07-05-2005, 15:01   #3 (permalink)
Chris Hill
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Re: 2000 F350 4X4 turn switch to 4wd seems to short circuit

On Mon, 04 Jul 2005 19:28:26 GMT, "Ivey Cole" <linuxdummy@yahoo.com>
wrote:

>When the 4wd switch on the dash is turned to 4wd, the air vent switches
>from the dash to the floor and the automatic locking hubs don't lock.
>When the switch is turned to 2wd it takes a few minutes before the air
>vents turn back to the dash. It seems that some auto reset circuit
>breaker is getting tripped. Anyone have any idea as to what this may
>be. Don't know if this relates to the hubs not locking or if that is



Hubs and vents are all vaccuum operated. Either you have a vaccuum
leak somewhere or the hub vaccuum switch on the passenger's side
fender has gone bad, or both. When mine did this I had the vaccuum
hose on the driver's side hub with a rotted end, and a bad vaccuum
switch for the hubs. Total cost was under $60 and the repair was
simple.


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Old 07-07-2005, 02:01   #4 (permalink)
Ivey Cole
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Re: 2000 F350 4X4 turn switch to 4wd seems to short circuit

Ya'll are correct. The end of the vaccuum hose on the passenger side
hub was split. As a temporary fix I cut the end off and reattached.
Probably need to replace the hose. Thanks for the help.



Chris Hill wrote:

> On Mon, 04 Jul 2005 19:28:26 GMT, "Ivey Cole" <linuxdummy@yahoo.com>
> wrote:
>
> > When the 4wd switch on the dash is turned to 4wd, the air vent
> > switches from the dash to the floor and the automatic locking hubs
> > don't lock. When the switch is turned to 2wd it takes a few
> > minutes before the air vents turn back to the dash. It seems that
> > some auto reset circuit breaker is getting tripped. Anyone have
> > any idea as to what this may be. Don't know if this relates to the
> > hubs not locking or if that is

>
>
> Hubs and vents are all vaccuum operated. Either you have a vaccuum
> leak somewhere or the hub vaccuum switch on the passenger's side
> fender has gone bad, or both. When mine did this I had the vaccuum
> hose on the driver's side hub with a rotted end, and a bad vaccuum
> switch for the hubs. Total cost was under $60 and the repair was
> simple.


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