Woooooo from the rear @ 40 - 65 mphs - Hemi Truck Club
 
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Old 01-04-2014, 06:51 AM   #1
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Woooooo from the rear @ 40 - 65 mphs

After 6 inches of snow & tons of ROAD SALT (225 miles worth) , My trk is humming pretty loud @ speeds of 40-65 mph, it is humming at all speeds. It does not sound like gears grinding just, humming (loud). Do I need to grease something ? (lol, that didn't sound right) ...

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Old 01-04-2014, 12:48 PM   #2
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If its not the diff, probably axle bearings( will have to be replaced).
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Old 01-04-2014, 02:16 PM   #3
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On a nice dry grippy road try swaying the truck side to side and see if noise comes and goes if so bearing up front is bad

If this is the case when turning to left loading right usually means right side bad if turning right loading left usually front left bad

Also try jacking truck up one wheel at a time and spin the wheel while holding the upper control arm if its not smooth you will know it
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Old 01-04-2014, 04:24 PM   #4
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Just changed out my front hub bearings. If one is bad change them both.
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Old 01-05-2014, 06:36 AM   #5
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Thanks Guy's
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Old 01-05-2014, 07:26 AM   #6
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Quote:
Originally Posted by arocketman View Post
If one is bad change them both.

That's one of the other things that has to be done to my truck.
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Old 01-12-2014, 07:47 AM   #7
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did the side to side, the whining sound stay's the same.. , gonna try to git it to the shop soon...
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Old 01-12-2014, 07:51 AM   #8
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One of 2 possibilities either both front hubs are bad (not usually likely) or the noise is from the diff pinion/carrier bearings
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Old 01-18-2014, 09:21 AM   #9
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Thanx 392,... Is this costly?
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Old 01-18-2014, 10:48 AM   #10
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If its the diff bearings looking at around 600-800 repair with parts if that's the issue
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