Front Wheel Bearings
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Joined: Jun 2005
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Front Wheel Bearings
I have a question. Last night the fiancee noticed a rumbling/low key humming noise when my truck was rolling. It seemed to be dependant on the speed and may have gotten a TINY bit worse when slowing down. I have heard it for a while, but just assumed it was the tires, but now that she noticed it, it got me thinking. How can I check to see if my unit bearings are going out?
Is there anywhere to get these things cheap?
I checked to make sure the front driveline was unlocked, because I had it in 4WD earlier that day moving a camper, but the front D/S did not turn when she drove it up and backwards.
Thanks guys!
Is there anywhere to get these things cheap?
I checked to make sure the front driveline was unlocked, because I had it in 4WD earlier that day moving a camper, but the front D/S did not turn when she drove it up and backwards.
Thanks guys!
Posting Guru
Joined: Jan 2007
Posts: 2,174
Likes: 1
From: Millersburg, OR
Get them from these guys... great prices and comes with new mounting studs...
www.powerstrokeshop.com
Here are some installations instructions..
http://guzzle.rbmicro.com/nblube.html
www.powerstrokeshop.com
Here are some installations instructions..
http://guzzle.rbmicro.com/nblube.html
Postmaster
Joined: Mar 2001
Posts: 4,968
Likes: 3
From: So Cal
Originally Posted by KelVarnson
In my experience, the sound coming from a loose or failing front wheel bearing will change in intensity as you sway the truck from side to side.
It will be affected only by road speed, ie the pitch of the sound will rise with speed. It will not be affected much by applying the brakes except for the change is road speed I mentioned. It is not affected by tranny gear or engine speed, other than again what the road speed is from those.
I just got done with a wheel bearing problem on my car. Since it was under warranty I didn't go further than the above diagnosis method.
Didn't see what year or model you have, but doing the bearings on my 94 F250 4WD is not hard. Two gotchas are 1) You need to find the big C clip that holds the 4WD guts in. When it is greasy you won't see it but can feel it. 2) You need a big ****** impact wrench to break it loose and I think initial torque to seat the bearings is something like 250-400 ft#s.
Good Luck,
Jim Henderson
Posting Guru
Joined: Jan 2007
Posts: 2,174
Likes: 1
From: Millersburg, OR
Dude.... just jack it up like heidiandmax said.... and grab it at 3 and 9 and pull back and forth. You will know if the bearings are toast. The wheel will slide in and out. If you grab the wheel at the top and bottom and wiggle it around..if you have play it will be the ball joints. the bearings in these trucks are not serviceable...meaning not rebuildable. So you have to buy the whole hub/bearing unit. It is quite spendy... so check out the prices on www.powerstrokeshop.com It is not hard to do yourself...
good luck,
Steven
good luck,
Steven
