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Old 05-16-2019, 06:18 PM
[email protected] billadas@mac.com is offline
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Exclamation Front Axle bearings expected life cycle on 4x4

I have a 2012 Ram 1500 4x4, 5.9 Hemi, 146,000 miles. I am wondering what kind of life I can expect before they should or need to be replaced. Since they are sealed there is no way to really determine their condition. I usually am making 200 mile runs and don't want to get stuck out in the middle of no where.

Thanks for any thoughts!!

Bill
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Old 05-17-2019, 07:36 AM
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Not sure about our trucks, but I put over 300,000 miles on a Jeep and never changed them. In fact I have never changed any front wheel bearings on any of my vehicles in over 50 years.
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Old 05-17-2019, 08:16 AM
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doesn't matter- all modern cars since the 80's having those bearings in.
they also don't fall apart within minutes. When you start hearing them in curves- they usually start making a "humming"- noise- change them. Nothing else you can do. Usually it depends, what you or the pre-owner done with the truck- havy offroading or driving like a maniac shortens the life span of nearly everything in your truck.
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Old Yesterday, 11:51 PM
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One preventative thing you can do is keep them well greased. You do this by removing the wheel and brake caliper, then take and remove the ABS sensor out of the hub. Next you take a grease gun with a good wheel bearing grease and a needle grease valve and load grease in thru the sensor port. re-assemble and you are good to go for a good while. Do this on a periodic basis and your bearings should last a long time. Others on another board have been doing this for a long time with good success.
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