Does'nt make since
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Does'nt make since
Yesterday driving to work (400 miles) my truck started vibrating. It felt like a u-joint or like the front axles were turning. I checked the hubs and they were unlocked.
After a bit I was still not sure if the hubs were maybe stuck, so I pulled on the four wheel lever and it went right in fourwheel drive. So then convinced the hubs were stuck, I stoped and jacked up the truck and turned the front wheels. (They turned freely.) I assumed the transfer case must be stuck in fourwheel. (and it stayed in Fourwheel no matter where the lever)
The next time I stopped for gas, I got the idea to reach underneeth and turn the driveshaft. (expecting it not to turn) It turned freely. Dumbfounded I continued.
About twenty miles from my destination (of course) all hell broke louse. The cartdon joint was shot. I pulled the driveshaft off and put it in fourwheel drive and finished the trip on the front axle. (not so great with a locker) There was no vibration.
My question, how did it go in to fourwheel at seventy miles an hour. The front axle should have been stopped and lots of grinding should have ensued. My old Bronco had the push button fourwheel and it had a magnetic clutch that would speed up the frontaxle. It would go in at seventy. (even though they dont recomend it) I dont believe my current bronco has such a clutch. (shifter on floor)
Comments?
After a bit I was still not sure if the hubs were maybe stuck, so I pulled on the four wheel lever and it went right in fourwheel drive. So then convinced the hubs were stuck, I stoped and jacked up the truck and turned the front wheels. (They turned freely.) I assumed the transfer case must be stuck in fourwheel. (and it stayed in Fourwheel no matter where the lever)
The next time I stopped for gas, I got the idea to reach underneeth and turn the driveshaft. (expecting it not to turn) It turned freely. Dumbfounded I continued.
About twenty miles from my destination (of course) all hell broke louse. The cartdon joint was shot. I pulled the driveshaft off and put it in fourwheel drive and finished the trip on the front axle. (not so great with a locker) There was no vibration.
My question, how did it go in to fourwheel at seventy miles an hour. The front axle should have been stopped and lots of grinding should have ensued. My old Bronco had the push button fourwheel and it had a magnetic clutch that would speed up the frontaxle. It would go in at seventy. (even though they dont recomend it) I dont believe my current bronco has such a clutch. (shifter on floor)
Comments?
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Turns out the ball on the carden joint ripped out the side. New driveshaft coming form autozone ($218.00) Has anyone just eliminated the carden joint? It would seem that just two u-joints would work. They may vibrate a little more. But when they go, its easy to change.
Last edited by helirich; Oct 21, 2007 at 07:39 AM. Reason: add something
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Joined: Mar 2007
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From: Crowville Louisiana
I have seen them eliminated...but with the short wheelbase of the bronco the drive shaft angle will probably be too much. Your drive shaft may be too short by removing the carden joint.
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Yea, I figured I would have to lenthen the shaft. I was told that I would have to change the angle of the diff. (That the angle of the transfer case output and the pinion must be the same) With the carden you point the pinion to the case.
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