F350 Headache
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F350 Headache
Have this small problem I have been unable to resolve. I am now looking into the front diff on this 97 350 4x. It started as a wandering issue when going around a corner to the right. Most likely the caster was out. Well replaced the ball joints, bearings, seals, etc.. and had an alignment... same problem. a friend thought about the manual locking hubs... pulled them out . no wear, nothing unusual. cleaned and reinstalled. same problem. thought maybe for some reason the hub was not unlocking. one day reached under the truck to turn axle by hand. DID not turn. hub unlocked. Bingo! found problem. Pulled hubs out. tried to turn axle shaft by hand again. will not turn. not hubs... no hubs installed. opened diff cover. no metal, no wear nothing unusual. the right axel will turn 180 degrees and then stops. left axel turns free and turns carrier. no posi just an open diff... cv joints do not appear to be loose or worn. seemed tight when i had the axles out for replacing the ball joints.... is it nomal to have 180 degree rotation on the right side? bad bearing in the carrier? any help would be great. adam
P.S. for sale 1997 F350 4x 4dr 460 auto 106K miles.
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well...call me poor dumb SOB... mom will verify..
ok checked the spider and end gears w/o axles. no issue. checked needle bearings... no issue.... I think the whole mess may be tied to a hub not unlocking after all. in the MM hubs there is a small detent ball in the hub selector in the hub cover. mine is waaay below flush. why who knows. Mile Marker has one on the way to me. yes i still like my Mile Markers having completely disintegrated a set of warns in the past. NOW… I axe yous… am I sane or insane… a standard Dana 60 has a feature whereby you roll backward and the diff basically locks both sides to give you that locked in feeling. I (sanity check time) backed out of the drive, with it’s guts hanging out this morning, and pulled back in. problem gone. Hmmmm I said. Drive it until it explodes! I backed it to the side of the house this evening and the right axle is once again locked. Daymn! Drove out backed up pulled in forward. unlocked… . If one hub was keeping the thing locked in, when I pull into the drive forward it remains locked. No hubs pull in it unlocks. Now I know I am not the brightest bulb on the tree…. Wanna explain? ANYbody??<O
</O
ok checked the spider and end gears w/o axles. no issue. checked needle bearings... no issue.... I think the whole mess may be tied to a hub not unlocking after all. in the MM hubs there is a small detent ball in the hub selector in the hub cover. mine is waaay below flush. why who knows. Mile Marker has one on the way to me. yes i still like my Mile Markers having completely disintegrated a set of warns in the past. NOW… I axe yous… am I sane or insane… a standard Dana 60 has a feature whereby you roll backward and the diff basically locks both sides to give you that locked in feeling. I (sanity check time) backed out of the drive, with it’s guts hanging out this morning, and pulled back in. problem gone. Hmmmm I said. Drive it until it explodes! I backed it to the side of the house this evening and the right axle is once again locked. Daymn! Drove out backed up pulled in forward. unlocked… . If one hub was keeping the thing locked in, when I pull into the drive forward it remains locked. No hubs pull in it unlocks. Now I know I am not the brightest bulb on the tree…. Wanna explain? ANYbody??<O</O
Last edited by aws700; Jan 28, 2007 at 06:26 PM.
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From: Lyndonville, Vermont
What guts were hanging out? LOL Doesn't really matter if the axle is tuff to turn by hand. The u joints shouldn't turn when turning the wheel with the hub unlocked.
Driving or jacked up turning wheel.
Driving or jacked up turning wheel.
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never turned the wheel. tried to turn the axle at the u-joint without hubs in the wheel and the axle did not turn. then it finally worked to 180 degrees last night. now it turns freely without hubs and with hubs not locked in provided i do not back in but pull in. backing in the axle has the same issue. guess i don't know if the end gear on the right side has an issue or if this is normal. i know i am not normal...at least not any more.
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so tell me... if you back into your drive without hubs locked or the t-case ingaged, can you sping the passenger axle 180 degrees? this only applies if you have an open diff. just looking for confirmation that i do not have an underlying issue in the carrier. how does the axle tie to the carrier? is there a thrust washer / bushing? Is it pinned on one side? just trying to figure it out without taking a junkyard apart to prove it.
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Lead Driver
Joined: May 2003
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From: Lyndonville, Vermont
A bad ujoint will do that..I can grab either axle and spin all the way. make sure the front driveshaft is free spinning. You could also lock the other hub and turn the driveshaft and see if the bad one turns ok.
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WOOO HOOO headache gone.
99F350SD You're MY HERO! 
Send me an e-mail with your address and let me buy you a sody pop. If I can figure out how to post a pict I will do so. I had a U-Joint that lost its floppy all together. I did not remember running through the puddle of VIGRA but it appears I did.
Thank you again.
adamn
Send me an e-mail with your address and let me buy you a sody pop. If I can figure out how to post a pict I will do so. I had a U-Joint that lost its floppy all together. I did not remember running through the puddle of VIGRA but it appears I did.Thank you again.
adamn