Good man Mcleod!! Thats all helirich wanted, was someone to "try". Hope that solves most all his issues. LOL
T-Case query
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Posting Guru
Joined: Apr 2006
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I asked on one of the other forums and everyone seemed to think it was normal. Sevrel guys said they can do it the same as me. By the way, My hubs are fine. You'll note in the first post, I said I can reach under and spin the driveshaft when stoped. That was pretty funny about the "not" some how got out of my sentence. LOL
Cargo Master
Joined: Mar 2003
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I will try mine for ya tomorrow with the manual hubs "unlocked" and see if I get any grinding.
I know for certain that 2 hi to 4 hi CAN be performed even at highway speed with manual hubs "locked".
I've had mine since new and it has always worked this way.
I know for certain that 2 hi to 4 hi CAN be performed even at highway speed with manual hubs "locked".
I've had mine since new and it has always worked this way.
Fleet Mechanic
Joined: Mar 2005
Posts: 1,603
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From: St Louis
Have you jacked the front wheels off the ground to see spinning the wheels with unlocked hubs actually spins the axle? If the axle is spinning at highway speeds then it could be suggested that the front wheels can spin the axle if you have the wheels off the ground and spin them by hand, with the hubs unlocked of course. The old 78 I know the 205 could be pulled into 4wd when moving and forced into 4lo if you timed it right without the front hubs engaged without a single gear clash. But it was all timing, and some use of the clutch pedal at the same time.
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I have had the tire off the ground many times. But I didnt have both off at the same time. Of course I could only spin one at a time. Maybe each wheel has a little drag and the transfer case creates some too. With all three going at the same rate, it gradually gets up to speed.
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Posting Guru
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Thank you,
I guess its normal. I'm going to try gas millage runs with the front driveshaft tyeraped and untied. I'll let you guys know.
I guess its normal. I'm going to try gas millage runs with the front driveshaft tyeraped and untied. I'll let you guys know.
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Posting Guru
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Yea, I am amaized it didnt grind at full power. That means the shafts must be almost keeping up. I wouldnt think there are any sincros in a T-case. If the wheels are locked it wouldnt need them. This might be really stupid, but I'm giong to try shifting it with it tye raped. I would assume it must grind alittle before it breaks the tye. I'll let you know
New User
Joined: Oct 2009
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Think torque converter
You'll find it is the energy transfer through the oils and close proximity of gears in the T-case and hubs. It is this effect that torque converters use to operate, eg a driven vane (part of the housing) in close proximity to the vanes on the output shaft. A torque converter wont work without oil, air just doesn't have enough drag!
Another example is to jack up both wheels at the rear, leave the transmission in neutral (only works with a manual) and watch the wheels start to spin slowly. The speed will increase slowly as the friction of the oil (which is miniscule, btw) overcomes the inertia of the axles and wheels.
Another example is to jack up both wheels at the rear, leave the transmission in neutral (only works with a manual) and watch the wheels start to spin slowly. The speed will increase slowly as the friction of the oil (which is miniscule, btw) overcomes the inertia of the axles and wheels.