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Shop says 5.29 gears are supposed to be noisy

Discussion in 'Performance and Tuning' started by Cosmo10, Nov 4, 2021.

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  1. Nov 5, 2021 at 7:44 PM
    #31
    Cruzer

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    Cruzer Wheeling Full Size

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    I changed over to BFG KM3 tires, very quiet on the road, which is when I noticed that my Nitro gears whine at 65-70mph. Changed over to louder tires - fixed :D
     
    Cruzer, Nov 5, 2021
    #31
    JuanTon21, Sunnier, Cosmo10[OP] and 3 others like this.
  2. Nov 5, 2021 at 8:49 PM
    #32
    Downytide

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    I've never talked to someone who's so knowledgeable and want to explain, it was the best experience I've ever had when comes to a purchase/service.
     
    Downytide, Nov 5, 2021
    #32
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  3. Nov 5, 2021 at 10:03 PM
    #33
    Hightide

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    Hightide SSEM #88 - 3MW - ASCM #2 RGBA#Q

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    Hightide, Nov 5, 2021
    #33
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  4. Nov 6, 2021 at 5:21 AM
    #34
    Cosmo10

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    Cosmo10 [OP] New Member

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    Hahaha!! You have 5.29?
     
    Cosmo10, Nov 6, 2021
    #34
  5. Nov 6, 2021 at 5:25 AM
    #35
    Cosmo10

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    Cosmo10 [OP] New Member

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    Sunday I’m going to take it out to the dirt roads to get the front diff broken in. I did 50 more miles…. Still have half way to hit lol. What oil did you use for the rear after the 500 miles?
     
    Cosmo10, Nov 6, 2021
    #35
  6. Nov 6, 2021 at 8:20 AM
    #36
    Ckatz53

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    Ckatz53 Newish

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    I had to use a non synthetic lucas because of the LSD. If you got an Eaton, they'll have a specific oil they'll recommend
     
    Ckatz53, Nov 6, 2021
    #36
  7. Nov 6, 2021 at 8:46 AM
    #37
    831Tun

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    831Tun heartless Bastrd

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    diff oil.jpg
     
    831Tun, Nov 6, 2021
    #37
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  8. Nov 7, 2021 at 7:05 AM
    #38
    Cosmo10

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    Cosmo10 [OP] New Member

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    75W-140?! Dang!
     
    Cosmo10, Nov 7, 2021
    #38
  9. Nov 7, 2021 at 1:23 PM
    #39
    Cruzer

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    Warren is that good for lockers? I have the non-synthetic version in mine.
     
    Cruzer, Nov 7, 2021
    #39
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  10. Nov 7, 2021 at 1:24 PM
    #40
    Cruzer

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    Yup and ARB lockers front/rear
     
    Cruzer, Nov 7, 2021
    #40
    Cosmo10[QUOTED][OP] likes this.
  11. Nov 7, 2021 at 6:24 PM
    #41
    831Tun

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    831Tun heartless Bastrd

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    I'm pretty sure it is. There's an additive in synthetics that isn't compatible with the ARB seals, don't think this has it but I'll try to confirm that.
     
    831Tun, Nov 7, 2021
    #41
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  12. Nov 7, 2021 at 7:12 PM
    #42
    woodlandFF

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    woodlandFF New Member

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    Where did you go? I hope it’s not who I was thinking of going to. Thanks!
     
    woodlandFF, Nov 7, 2021
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  13. Nov 11, 2021 at 8:59 PM
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    Cosmo10

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    Cosmo10 [OP] New Member

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    Who you planing on going with?
     
    Cosmo10, Nov 11, 2021
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  14. Nov 11, 2021 at 9:00 PM
    #44
    Cosmo10

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    Cosmo10 [OP] New Member

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    Awesome you have the front locker in. I purposely chose the Eaton E-locker but sadly they haven’t made the front locker yet for the 2nd gen.
     
    Cosmo10, Nov 11, 2021
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  15. Nov 18, 2021 at 7:19 PM
    #45
    woodlandFF

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    Premier west or pro gear in SD.
     
    woodlandFF, Nov 18, 2021
    #45
  16. Nov 21, 2021 at 7:29 AM
    #46
    Cosmo10

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    Has anyone truly done a break in for the FRONT gears? Or just swapped out the oil when you did the rears after the 500 miles?
     
    Cosmo10, Nov 21, 2021
    #46
  17. Nov 25, 2021 at 9:21 PM
    #47
    Cosmo10

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    So I added Lucas HD 85/140 oil to the front and rear diffs after the 500 mile break-in…… sadly to say, the rear still whines ONLY at coast still. Matter of fact, it may sound louder. I thought it would of made it a little more quieter due to the thicker oil.
     
    Cosmo10, Nov 25, 2021
    #47
  18. Nov 26, 2021 at 3:39 AM
    #48
    Hightide

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    Hightide, Nov 26, 2021
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  19. Nov 26, 2021 at 9:45 AM
    #49
    Cosmo10

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    Cosmo10, Nov 26, 2021
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  20. Nov 26, 2021 at 3:25 PM
    #50
    MadMaxCanon

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    Too many, but not enough....
    This was my understanding as well.
     
    MadMaxCanon, Nov 26, 2021
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  21. Nov 26, 2021 at 3:28 PM
    #51
    Hightide

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    Hightide SSEM #88 - 3MW - ASCM #2 RGBA#Q

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    Hightide, Nov 26, 2021
    #51
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  22. Nov 27, 2021 at 9:55 AM
    #52
    Cosmo10

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    Cosmo10 [OP] New Member

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    Cosmo10, Nov 27, 2021
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  23. Nov 29, 2021 at 12:34 PM
    #53
    Downytide

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    My gears were cryo'd and REM'd, put together by Ken/Zuk, during break in I used OEM fluid, pretty quiet, then last 8k or so I used Nitro's oil, which I have a case of, whines at 45-50mph, last week I switched back to OEM 75w90, whisper quiet, occasional very quiet whine at deceleration around 50mph.
     
    Downytide, Nov 29, 2021
    #53
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  24. Nov 29, 2021 at 11:09 PM
    #54
    Cosmo10

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    Cosmo10 [OP] New Member

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    I’m going to switch the oils then… I must give it a try. Everyday I’m hoping it goes away or I get used to it. Both are never going to happen till I switch something lol. I just did the oil swap 180 miles ago after the break-in
     
    Cosmo10, Nov 29, 2021
    #54
  25. Nov 30, 2021 at 7:40 AM
    #55
    Downytide

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    Might as well, also another crazy thing is, I just swapped to Fox 2.5 DSC, the truck became much quieter in terms of road noise and the whine, then the stock fluid quiet down even further, so good shocks make truck quiet lol.
     
    Downytide, Nov 30, 2021
    #55
  26. Mar 26, 2022 at 11:43 AM
    #56
    SoCalRandy

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    I just had Sierra Gear 5.29’s installed front and rear with a PowerTrax GripPro LSD in the rear last week. Unfortunately there’s a pretty annoying whine at freeway speeds, 65-70 mph. I’m hoping it will either go away or I’ll get used to it LOL
     
    SoCalRandy, Mar 26, 2022
    #56
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  27. Mar 29, 2022 at 9:17 PM
    #57
    gabex35

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    gabex35 2020 Limited 4x4 with mods coming...

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    Where did you get them installed in SD?
     
    gabex35, Mar 29, 2022
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  28. Mar 29, 2022 at 10:26 PM
    #58
    alb1k

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    alb1k Always Coming From Take Me Down

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    I'm 600 miles into 4.88s plenty of rpm and no noise on big 32"s - so I'm happy. But, consider 85-140 weight if you are not in cold temps.
     
    alb1k, Mar 29, 2022
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  29. Mar 30, 2022 at 6:34 AM
    #59
    SoCalRandy

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    SoCalRandy, Mar 30, 2022
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  30. Apr 13, 2022 at 8:37 PM
    #60
    Cosmo10

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    Cosmo10 [OP] New Member

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    I’m already using Lucas 85-140 and she’s still screaming! I’m like a few thousand miles and and holding on strong!
     
    Cosmo10, Apr 13, 2022
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