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post #1 of 5 Old 11-14-2010, 07:47 PM Thread Starter
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No 4X4

Talked to a few different people an we have Narrowed it down to being a bad 4X4 Relay...

Where is this Located on mt 2002 F350?

Need help bad, before winter actually hits..

Thanks

Henry


-2002 F350 Lariat
C/C S/B 4x4
-Stage 2 AFE
-Straight Piped
-TS 6 Position Chip
S/75/100/140/HI/AT
-Edge Evolution II
as Gauge Pod
-33/12.5/16
Pro Comp A/T's
-Ultra Rims
-Halo Projector
-Tru Cool Trans Cooler
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post #2 of 5 Old 11-15-2010, 07:27 AM
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you sure its not the huds or a vac leak? That is the norm. And even if you set the stock hub to lock, that does not mean its really locked! I had one that was locked and no matter what would not unlock. then the other was unlocked and no matter what I did would not lock. I replaced my stock POS hubs with some warn hubs. now they lock and unlock when I want them to and they stay that way!!

Just a basic 01 F350 CCLB SRW -Good from a far but far from good
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post #3 of 5 Old 11-15-2010, 07:42 AM Thread Starter
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When the vac pump fails on these trucks don't we lose the heat controls, Defrost, floor, Vents, AC, an etc? Just what I have heard.

Thanks

Henry


-2002 F350 Lariat
C/C S/B 4x4
-Stage 2 AFE
-Straight Piped
-TS 6 Position Chip
S/75/100/140/HI/AT
-Edge Evolution II
as Gauge Pod
-33/12.5/16
Pro Comp A/T's
-Ultra Rims
-Halo Projector
-Tru Cool Trans Cooler
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post #4 of 5 Old 11-15-2010, 09:19 AM
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depends. if there is a leak the hvac should work ok till you put it into 4wd. then typically the ac will switch to the defroster on its own. but just because the vac is working does not mean the hubs will really lock.

I would lock both hubs and pick up the front end. Spin a tire and the other one should spin the other direction. unlock one and that one should spin free., lock it and unlock the other and spin.

next with the truck in 2wd can you spin the front drive shaft with the front end on the ground? you should. Next put it into 4wd and you should not be able to spin the front drive shaft. it should be locked to the transfer case and the rear drive shaft.

Just a basic 01 F350 CCLB SRW -Good from a far but far from good
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post #5 of 5 Old 12-03-2010, 09:46 PM Thread Starter
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Thanks for the responses, got enough time off work to get her in to a shop, turns out it was the Actuator its self, an the guy had a used one laying around... sorry for the slow reply...


Henry


-2002 F350 Lariat
C/C S/B 4x4
-Stage 2 AFE
-Straight Piped
-TS 6 Position Chip
S/75/100/140/HI/AT
-Edge Evolution II
as Gauge Pod
-33/12.5/16
Pro Comp A/T's
-Ultra Rims
-Halo Projector
-Tru Cool Trans Cooler
F350Buster is offline  
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