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YJ front axle sound
My 95 YJ makes a knocking sound at the right front wheel. By turning the hub by hand with the wheel off I can see the axle jumps a bit every so often and makes this noise. This is with the wheels pointed straight ahead. Could this be a problem with the front axle disconnect or a bearing problem? Thanks, nrs |
Re: YJ front axle sound
Check your outboard U-Joints first. If you don't remember changing them,
that is your first clue. So is a slight ring of red rust around the rubber boots in the joint. 2nd place is the wheel bearing, but this usually has a 'growl' rather than a 'clunk' or 'knock' Bearings are a sealed unit, plan on $125 for the complete assembly. Changing either the bearing or the U-joint requires removal of the bearing assembly from the knuckle. If you live where they use salt in the winter, this can be a serious pain to get out. It can take a simple 1 banana job and turn it into 4 hours of serious profanity. Use an antiseize on it when reasembling. nrs wrote: > My 95 YJ makes a knocking sound at the right front wheel. By turning > the hub by hand with the wheel off I can see the axle jumps a bit every > so often and makes this noise. This is with the wheels pointed > straight ahead. Could this be a problem with the front axle disconnect > or a bearing problem? > > Thanks, > nrs > |
Re: YJ front axle sound
Check your outboard U-Joints first. If you don't remember changing them,
that is your first clue. So is a slight ring of red rust around the rubber boots in the joint. 2nd place is the wheel bearing, but this usually has a 'growl' rather than a 'clunk' or 'knock' Bearings are a sealed unit, plan on $125 for the complete assembly. Changing either the bearing or the U-joint requires removal of the bearing assembly from the knuckle. If you live where they use salt in the winter, this can be a serious pain to get out. It can take a simple 1 banana job and turn it into 4 hours of serious profanity. Use an antiseize on it when reasembling. nrs wrote: > My 95 YJ makes a knocking sound at the right front wheel. By turning > the hub by hand with the wheel off I can see the axle jumps a bit every > so often and makes this noise. This is with the wheels pointed > straight ahead. Could this be a problem with the front axle disconnect > or a bearing problem? > > Thanks, > nrs > |
Re: YJ front axle sound
Check your outboard U-Joints first. If you don't remember changing them,
that is your first clue. So is a slight ring of red rust around the rubber boots in the joint. 2nd place is the wheel bearing, but this usually has a 'growl' rather than a 'clunk' or 'knock' Bearings are a sealed unit, plan on $125 for the complete assembly. Changing either the bearing or the U-joint requires removal of the bearing assembly from the knuckle. If you live where they use salt in the winter, this can be a serious pain to get out. It can take a simple 1 banana job and turn it into 4 hours of serious profanity. Use an antiseize on it when reasembling. nrs wrote: > My 95 YJ makes a knocking sound at the right front wheel. By turning > the hub by hand with the wheel off I can see the axle jumps a bit every > so often and makes this noise. This is with the wheels pointed > straight ahead. Could this be a problem with the front axle disconnect > or a bearing problem? > > Thanks, > nrs > |
Re: YJ front axle sound
I second the bad U-joint diagnosis.
I use a sacrificial bolt and a 5 or 10 lb BFH to remove the hubs. I use jack stands, the jack and toss the tire under the Jeep before starting. You can cut the steering side to side to get room to swing the hammer onto the partly threaded in bolt. Soaking the joining area with a good penetrating oil for several hours or days first helps I do live in the rust belt and they are a serious pain in the butt to get out the first time. I use antiseize on them before putting them back in. I think you might find the bad u-joint has also taken out the inner axle oil seal. Look into the tube when you pull the axle for oil evidence so you don't have to do the job twice... That can be punched into the vacuum disconnect area you have to have open anyway usually because the connect cog can get out of place and takes a threaded rod with big washers to reinstall. You have to suck the new seal into place. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) RoyJ wrote: > > Check your outboard U-Joints first. If you don't remember changing them, > that is your first clue. So is a slight ring of red rust around the > rubber boots in the joint. > > 2nd place is the wheel bearing, but this usually has a 'growl' rather > than a 'clunk' or 'knock' Bearings are a sealed unit, plan on $125 for > the complete assembly. > > Changing either the bearing or the U-joint requires removal of the > bearing assembly from the knuckle. If you live where they use salt in > the winter, this can be a serious pain to get out. It can take a simple > 1 banana job and turn it into 4 hours of serious profanity. Use an > antiseize on it when reasembling. > > nrs wrote: > > My 95 YJ makes a knocking sound at the right front wheel. By turning > > the hub by hand with the wheel off I can see the axle jumps a bit every > > so often and makes this noise. This is with the wheels pointed > > straight ahead. Could this be a problem with the front axle disconnect > > or a bearing problem? > > > > Thanks, > > nrs > > |
Re: YJ front axle sound
I second the bad U-joint diagnosis.
I use a sacrificial bolt and a 5 or 10 lb BFH to remove the hubs. I use jack stands, the jack and toss the tire under the Jeep before starting. You can cut the steering side to side to get room to swing the hammer onto the partly threaded in bolt. Soaking the joining area with a good penetrating oil for several hours or days first helps I do live in the rust belt and they are a serious pain in the butt to get out the first time. I use antiseize on them before putting them back in. I think you might find the bad u-joint has also taken out the inner axle oil seal. Look into the tube when you pull the axle for oil evidence so you don't have to do the job twice... That can be punched into the vacuum disconnect area you have to have open anyway usually because the connect cog can get out of place and takes a threaded rod with big washers to reinstall. You have to suck the new seal into place. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) RoyJ wrote: > > Check your outboard U-Joints first. If you don't remember changing them, > that is your first clue. So is a slight ring of red rust around the > rubber boots in the joint. > > 2nd place is the wheel bearing, but this usually has a 'growl' rather > than a 'clunk' or 'knock' Bearings are a sealed unit, plan on $125 for > the complete assembly. > > Changing either the bearing or the U-joint requires removal of the > bearing assembly from the knuckle. If you live where they use salt in > the winter, this can be a serious pain to get out. It can take a simple > 1 banana job and turn it into 4 hours of serious profanity. Use an > antiseize on it when reasembling. > > nrs wrote: > > My 95 YJ makes a knocking sound at the right front wheel. By turning > > the hub by hand with the wheel off I can see the axle jumps a bit every > > so often and makes this noise. This is with the wheels pointed > > straight ahead. Could this be a problem with the front axle disconnect > > or a bearing problem? > > > > Thanks, > > nrs > > |
Re: YJ front axle sound
I second the bad U-joint diagnosis.
I use a sacrificial bolt and a 5 or 10 lb BFH to remove the hubs. I use jack stands, the jack and toss the tire under the Jeep before starting. You can cut the steering side to side to get room to swing the hammer onto the partly threaded in bolt. Soaking the joining area with a good penetrating oil for several hours or days first helps I do live in the rust belt and they are a serious pain in the butt to get out the first time. I use antiseize on them before putting them back in. I think you might find the bad u-joint has also taken out the inner axle oil seal. Look into the tube when you pull the axle for oil evidence so you don't have to do the job twice... That can be punched into the vacuum disconnect area you have to have open anyway usually because the connect cog can get out of place and takes a threaded rod with big washers to reinstall. You have to suck the new seal into place. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) RoyJ wrote: > > Check your outboard U-Joints first. If you don't remember changing them, > that is your first clue. So is a slight ring of red rust around the > rubber boots in the joint. > > 2nd place is the wheel bearing, but this usually has a 'growl' rather > than a 'clunk' or 'knock' Bearings are a sealed unit, plan on $125 for > the complete assembly. > > Changing either the bearing or the U-joint requires removal of the > bearing assembly from the knuckle. If you live where they use salt in > the winter, this can be a serious pain to get out. It can take a simple > 1 banana job and turn it into 4 hours of serious profanity. Use an > antiseize on it when reasembling. > > nrs wrote: > > My 95 YJ makes a knocking sound at the right front wheel. By turning > > the hub by hand with the wheel off I can see the axle jumps a bit every > > so often and makes this noise. This is with the wheels pointed > > straight ahead. Could this be a problem with the front axle disconnect > > or a bearing problem? > > > > Thanks, > > nrs > > |
Re: YJ front axle sound
http://web.archive.org/web/200407240...0WheelBearing/
http://www.4x4wire.com/tech/axle/ujoint/ God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ nrs wrote: > > My 95 YJ makes a knocking sound at the right front wheel. By turning > the hub by hand with the wheel off I can see the axle jumps a bit every > so often and makes this noise. This is with the wheels pointed > straight ahead. Could this be a problem with the front axle disconnect > or a bearing problem? > > Thanks, > nrs |
Re: YJ front axle sound
http://web.archive.org/web/200407240...0WheelBearing/
http://www.4x4wire.com/tech/axle/ujoint/ God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ nrs wrote: > > My 95 YJ makes a knocking sound at the right front wheel. By turning > the hub by hand with the wheel off I can see the axle jumps a bit every > so often and makes this noise. This is with the wheels pointed > straight ahead. Could this be a problem with the front axle disconnect > or a bearing problem? > > Thanks, > nrs |
Re: YJ front axle sound
http://web.archive.org/web/200407240...0WheelBearing/
http://www.4x4wire.com/tech/axle/ujoint/ God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ nrs wrote: > > My 95 YJ makes a knocking sound at the right front wheel. By turning > the hub by hand with the wheel off I can see the axle jumps a bit every > so often and makes this noise. This is with the wheels pointed > straight ahead. Could this be a problem with the front axle disconnect > or a bearing problem? > > Thanks, > nrs |
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