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Noticeable noise after greasing U joints

Discussion in '2nd Gen. Tacomas (2005-2015)' started by cruisinforhawgs, Jun 29, 2020 at 1:59 PM.

  1. Jun 29, 2020 at 1:59 PM
    #1
    cruisinforhawgs

    cruisinforhawgs [OP] Member

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    After greasing my U-joints a couple days ago, I began to notice a mild vibrating noise when I am coasting to a stop with my foot off the gas. It sounds almost like the vibrating noise off-road tires make while driving. Any thoughts? 71K on the truck and recently put 5100s all around< but like I said, I didnt notice any changes until I greased the u joints. Grease used was red-n-tacky.
     
  2. Jun 29, 2020 at 10:47 PM
    #2
    dk_crew

    dk_crew Well-Known Member

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    Does it go away in 4hi? If so ECGS.
     
    JustAddMud likes this.
  3. Jun 30, 2020 at 2:25 AM
    #3
    lynlan1819

    lynlan1819 Well-Known Member

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    As long as the grease you used is Lithium based grease and NOT Moly.
     
    Shelf Life likes this.
  4. Jun 30, 2020 at 4:10 AM
    #4
    JustAddMud

    JustAddMud Professional Grease Monkey

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    I'm going to go with @dk_crew on this one, sounds like it may be your needle bearing. Is this the first time since you've owned the truck that you've greased your u-joints? Typically what I've seen when u-joints are going bad is a constant hum or droning sound. On the other hand, others have stated a similar vibration that you've described. Are you able to do a road test and put it in 4 Hi while driving? As long as you dont make any sharp turns on pavement, you should be fine to put a mile or two on pavement in 4 Hi. If the vibration goes away when you put it in 4 Hi then it's your needle bearing. Keep us posted.

    -J
     
    JGO likes this.
  5. Jun 30, 2020 at 9:16 AM
    #5
    cruisinforhawgs

    cruisinforhawgs [OP] Member

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    It is the first time I greased them since owning the truck. I'm almost positive I used grease but I'll find out. And I will perform the test today. Fuck this sucks.
     
  6. Jun 30, 2020 at 10:42 AM
    #6
    fourfourone

    fourfourone Active Member

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    did you lift the rear when you did the 5100s?
     
  7. Jun 30, 2020 at 11:13 AM
    #7
    cruisinforhawgs

    cruisinforhawgs [OP] Member

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    I did not lift the rear
     
  8. Jun 30, 2020 at 12:48 PM
    #8
    cruisinforhawgs

    cruisinforhawgs [OP] Member

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    So, I tested it in 4hi and the noise went away. I turned it back to 2hi and the noise went away all together. When I greased my ujoints I spun the front shaft freely to access the zerks. So I'm thinking the shafts were out of balance and that was causing the noise?
     
  9. Jun 30, 2020 at 1:48 PM
    #9
    dk_crew

    dk_crew Well-Known Member

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    glad the issue went away. i'll let others give thoughts on the 'fix'. I would think the front shaft will spin freely unless in 4wd and I also don't think anything done would put it back in balance since you didn't remove the shafts.
     
    Island Cruiser likes this.
  10. Jun 30, 2020 at 2:30 PM
    #10
    cruisinforhawgs

    cruisinforhawgs [OP] Member

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    leveling kit lol
    I appreciate all the help. In all honesty I do not have a very strong understanding of vehicle mechanics, which is why I turn to you guys.
     

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