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Old Feb 14, 2014 | 11:25 AM
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65mechanic's Avatar
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Sup guys. Got a quick question. 1988 I6, C6, manual shift BW1356, manual locking hubs.

Driving around in the snow I've already got my hubs locked and I can shift into 4wd high on the fly, incase I start spinning. No problem. But Should I be able to shift out of 4 high on the fly? Or do I always have to shift out of 4 high, stop the truck and roll back in reverse to disengage it? Cause it seems to hang in 4 high rolling forwards every time I shift out of 4 high and doesn't come out until I go in reverse. Which is no problem, I'd just like to be able to shift out of 4wd when I hit dry pavement, and I don't like to freak out other drivers thinking I'm trying to back into them or have to stop in the middle of the road.

Thanks in advance for the replies guys.
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Old Feb 14, 2014 | 12:59 PM
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Originally Posted by 65mechanic
Sup guys. Got a quick question. 1988 I6, C6, manual shift BW1356, manual locking hubs.

Driving around in the snow I've already got my hubs locked and I can shift into 4wd high on the fly, incase I start spinning. No problem. But Should I be able to shift out of 4 high on the fly? Or do I always have to shift out of 4 high, stop the truck and roll back in reverse to disengage it? Cause it seems to hang in 4 high rolling forwards every time I shift out of 4 high and doesn't come out until I go in reverse. Which is no problem, I'd just like to be able to shift out of 4wd when I hit dry pavement, and I don't like to freak out other drivers thinking I'm trying to back into them or have to stop in the middle of the road.

Thanks in advance for the replies guys.
I thought you only reversed to unlock the hubs (if you get out and turn the **** first), not the T-case. Once its back in 2wd the T-case shouldn't be putting power to the front anymore. If you don't get out and turn the **** to unlock the hubs and reverse to release them then the wheels will still make the front shafts turn but its not powered by the T-case.

That's how I understand it to work anyway.
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Old Feb 14, 2014 | 01:32 PM
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Dailydriving300ci-of-fury
 
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Originally Posted by Forge-World-FORD
I thought you only reversed to unlock the hubs (if you get out and turn the **** first), not the T-case. Once its back in 2wd the T-case shouldn't be putting power to the front anymore. If you don't get out and turn the **** to unlock the hubs and reverse to release them then the wheels will still make the front shafts turn but its not powered by the T-case. That's how I understand it to work anyway.
That's what I thought too. But I guess mine hangs in 4wd after I put it back into 2wd until I reverse. Might be an issue
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Old Feb 15, 2014 | 04:19 AM
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I'm not an expert on this having a 2wd but I rented a jeep wrangler a few weeks ago and it seems to do the same thing. It may have nothing to do with anything but I thought I'd mention it. I had to stop and revers every time I shifted back to 2wd. Granted it doesn't have manual hubs so I assume they are auto locking.
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Old Feb 23, 2014 | 07:36 PM
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Little late on the subject. I recently discovered that I in fact CAN disengage 4 high on the fly with out reversing. Thanks guys
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Old Feb 23, 2014 | 08:29 PM
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Yes... you can engage and disengage 4h on the fly. I do this at slower speeds under 25. Probably not a requirement though.
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Old Feb 23, 2014 | 08:31 PM
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Your not supposed to go over 55 mph when engaging or disengaging the 4x4. I normally do it around 30 though.
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Old Feb 23, 2014 | 09:37 PM
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Good to know
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