4WD issues back..... again...
- Thread starter JExpedition07
- Start date
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OP
OP
As much as i dislike these computer systems I’d like for it to be fixed right and be able to just turn the knob. The PCM controls the 4WD on ours unlike the older ones which had a separate module.
OP
OP
Hubs with bearings are $170 a piece i think I’ll order those tonight along with a new valve to go along with the new solonoid from rock auto.
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What about wheel speed sensors or their respective pickups on the hubs?? Could the PCM be getting bad or false readings and so it’s not applying pressure to the clutch in the transfer case to send power through to the front driveshaft??
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OP
OP
When I had wheel speed sensors go bad on my exploder it usually triggered an ABS light.
OP
OP
I jacked it up this morning and found an issue but I don’t know if it’s the issue. Engine off the hubs should be engaged to the half shaft according to the troubleshooting guide. Engine on in 2HI they should be not engaged, my drivers side is staying engaged in all modes with the engine on meaning most likely a leaky seal in the actuator. So I know that is most likely a bad actualtor on that hub.
Or you vacuum line to that side is bad. Sounds like when engine is on and in 2 hi it provides vacuum to the front hubs, and disengages them. If that one is engaged all the time, it’s most likely not getting good vacuum. I’d suggest testing/replacing that before a hub. Just my $.02
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Bedrck47
Full Access Members
Some info for you if you don't have it
https://www.ford-trucks.com/forums/...the-iwe-system-and-then-some.html#post7322441
OP
OP
If I’m not mistaken this is the part ford charged me $300 to replace, funny because it’s the same part that’s always been there, nothings been replaced
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OP
OP
BUSTED!!!! Bill says 4WD hub actuator and solonoid, so i hope theya t least replaced the hub actuator.
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