Front left hub noise
- Thread starter DEEZUZ
- Start date
tomlin
Member
Have you looked at the front differential? When you are in 4x4 you are loading the front pinion bearing and the entire differential like you do the rear in 2WD. Pinion bearings will exhibit noise on coast if they are on the way out. Front carrier bearings could also be suspect.
jschildm
Member
Yeah, that sounds more like when my rear pinion bearings were going out. You didn't notice it under load, but in that "coasting" range it was bad. So was the puddle underneath when the truck was worked .... It seems a little less likely on a front pinion to me though. I am curious to see what you find.
Lifted it and spun all the wheels and can't hear anything. Removed right side front axle and the spindle bearing is definitely toast. It had a ton of slop in it. Got a new seal ready to go on and I'm shoving it back together.. I would shocked if this was it. Front diff looked and feels great
Was actually thinking about this on the drive home tonite. Do you have an auto tcase or manual?
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Auto SOTF
Try pulling the motor and manually putting it in 4K d, and see if it’s still noisy. May be the motor is getting weak and kinda holding it in a ****ed up spot
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No I'm in NY for a quick vacation. She's getting torn down when I get back in the next week.
BrewTown
Member
I don't think it's the issue, but, do you have 1 tire worn more than the rest? Or you fried half the tread off the rear tires making them a different circumference than the front? That will make it bind or wind up as the shafts need to spin different speeds.
Again, I'm not saying this is the issue, just something I've actually seen. No noise caused in that case, funky driving characteristics though...
Have you thought about getting on a creeper and being under the truck while going down the road? Might help both diagnose the location of the noise and kill you at the same time... Yes I'm kidding. Do I need this disclaimer?
Again, I'm not saying this is the issue, just something I've actually seen. No noise caused in that case, funky driving characteristics though...
Have you thought about getting on a creeper and being under the truck while going down the road? Might help both diagnose the location of the noise and kill you at the same time... Yes I'm kidding. Do I need this disclaimer?
lincolnlocker
Well-known member
Id go with a case issue.
BrewTown
Member
Definitely sounds like it could be a loose chain in the t-case. Been a while since I had one apart, is there a tensioner?
I'd assume you could see excessive slack if this was the case (pun?). You may need something to compare it to, but parking in 4wd, jacking up 1 front tire and rotating it back and forth to see how much the front driveshaft moves back and forth at the t-case may be worth a shot. If nothing else it doesn't cost anything...
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