Low speed vibration and howling.
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Fleet Mechanic
Joined: Nov 2001
Posts: 1,553
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From: Corpus Christi, TX
Low speed vibration and howling.
I've got a grinding vibration coming from the front end at very low speeds. I notice it most when I'm pulling away from my mailbox with the wheel cranked. Very troubling as it shakes the whole truck. Also, when I brake, I hear a loud howling coming from the front. It's not brake howl, this sounds & feels like a reverberation building up into the howl.
My guess is that my bearings are probably shot. How would I go about checking the bearings?
ON EDIT: The bearings and hub assembly are one in the same on our trucks, right? So basically I'll be changing out the whole hub assembly, just to replace the bearings (might even do the balljoints.)??
My guess is that my bearings are probably shot. How would I go about checking the bearings?
ON EDIT: The bearings and hub assembly are one in the same on our trucks, right? So basically I'll be changing out the whole hub assembly, just to replace the bearings (might even do the balljoints.)??
Last edited by Munkey; Dec 17, 2004 at 03:42 PM.
Senior User
Joined: Sep 2004
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Yes it is a "non servicable" asembly.Leve unit out of 4WD. Remove tire and wheel. Remove brake caliper and hang off to one side. Remove locking hub.
Now you can get a better idea of how bad the bearing are turning it by hand. Sometime they go "crunch, crunch" sometimes they just wont turn much at all.
Now you can get a better idea of how bad the bearing are turning it by hand. Sometime they go "crunch, crunch" sometimes they just wont turn much at all.
Post Fiend
Joined: Jan 2002
Posts: 5,859
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From: USA
You should not have any play at all on these.Grab the top and bottom of the tire while on lift or jack stand and try and move in an out if any play is there it is the bearings.
Munkey make sure your hubs are unlocking if you have esof ,could be your hubs sticking
Rich
Merry Christmas !
Munkey make sure your hubs are unlocking if you have esof ,could be your hubs sticking
Rich
Merry Christmas !
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