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rebuilt rear differential

Discussion in '1st Gen. Tacomas (1995-2004)' started by 4421.frank, Feb 24, 2010.

  1. Feb 24, 2010 at 10:06 AM
    #1
    4421.frank

    4421.frank [OP] Well-Known Member

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    Southside chicago
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    nasty dent on driver's side bed panel, shabby seats, cigarette burned interior roof, missing berf bar pad, cracked rain visor, removed hood scoop, unmentionable stain on back bench?
    after the new u-joint installation I was still experiencing some vibrations, so I dropped it off at shop that specializes in drive lines. After balancing the drive shaft and installing a new a carrier bearing there was still vibrations. The vibrations only occur in the 25-30 MPH range, although low, it is noticable. The shop owner said he believes something is shot in teh differential. He said somewhere around $1,000 to have the differential to be rebuilt, although it could be much lower, depending on what needs to be done to it.
    I asked if it was cheaper to just get a different differential somewhere and have it installed. He said he was wary about after market rear ends, and said I would be better off having the rear end rebuilt.
    Any ideas from those of you out there? What would be your solution? Rebuilt by the accredited shop or something else?
     
  2. Feb 24, 2010 at 11:03 AM
    #2
    EnolaGaia

    EnolaGaia Well-Known Member

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    Stock height? If not, did the shop check the pinion angle?

    4X4? If so - does the vibration occur in both 2WD and 4WD?

    If you have any interest in a limited-slip or locking differential, now would be the time to do have one installed.
     
  3. Feb 24, 2010 at 11:35 AM
    #3
    ktaylor115

    ktaylor115 Member

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    first time doin this sort of thing(forums)..anyways, my truck has the same problem. i felt it right after i put on a 3" suspension lift. took it to the shop and they couldnt figure it out.
     
  4. Feb 24, 2010 at 11:51 AM
    #4
    Janster

    Janster Old & Forgetful

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    Do you have a lift?

    You're getting the same vibrations before & after the u-joint install?
    The reason I ask, is because if the u-joint isn't installed properly, can actually cause vibrations.

    What u-joint did you install? If you had a bad u-joint, then something else probably caused it to go bad (like, poor driveline angles).

    Are you sure its in the driveline and not in the wheels & tires?
     
  5. Feb 24, 2010 at 11:52 AM
    #5
    Janster

    Janster Old & Forgetful

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    You probably need axle shims. You're most likely experiencing driveline vibrations. I had the same vibrations on my 96 tacoma when I had about 3" lift in the rear. I installed 2.5degree axle shims to fix it.
     
  6. Feb 24, 2010 at 11:58 AM
    #6
    ktaylor115

    ktaylor115 Member

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    Are those the weights on the bottom of the drive shaft? if not, were would i get them installed...or just ask an auto shop to do it and they'll know what im talkin about?
     
  7. Feb 24, 2010 at 12:20 PM
    #7
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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  8. Feb 24, 2010 at 12:25 PM
    #8
    Timicha

    Timicha Timicha

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    just look for people parting out trucks on craigslist or go to a junk yard and pull one out of a truck. i had to switch out my rear diff with different gears and i found a used one on craigslist for 50 bucks and it works fine. took less than an hour to install
     
  9. Feb 24, 2010 at 12:43 PM
    #9
    ktaylor115

    ktaylor115 Member

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  10. Feb 24, 2010 at 1:44 PM
    #10
    4421.frank

    4421.frank [OP] Well-Known Member

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    Southside chicago
    Vehicle:
    02 double cab prerunner supercharged
    nasty dent on driver's side bed panel, shabby seats, cigarette burned interior roof, missing berf bar pad, cracked rain visor, removed hood scoop, unmentionable stain on back bench?
    the truck does have a slight lift on it( Toytec AAL with 1.5 spacers in the rear), but would that cause this vibration? That seems an awfully slight lift to cause this problem.

    The tires are old and need to be replaced, but they must wait until the new wheels come in( two weeks).

    I will hold out on doing anything with the differential until I rule out tires, but while it was on the lift the mechanic showed me, while the truck was in gear and the drive shaft going the vibrations could be felt coming from the front of the differential. Not in the u-joint or or carrier bearing.
     
  11. Feb 24, 2010 at 2:09 PM
    #11
    4WD

    4WD cRaZy oLdmAn

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    I would definintely hold off on one shops opinion, check the other variables i.e.: tires/wheels etc; I'd take off the inspection cover & look closely for bits of metal (hopefully not chunks !! ) in diff fluid,do a good visual on everything you can see inside... I dunno thats where I'd start anyway........:D Good luck....:cool:

    P.S. the weights on driveshaft are for balancing it.

    P.S.S. My bad, there is no inspection cover so drain the fluid & see if anything metal falls out of it...
     
  12. Feb 24, 2010 at 2:16 PM
    #12
    drew02a

    drew02a Rocking your mom's world Since 1997

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    My vibrations started after I had the Rear suspension TSB done. Doesn't take much to get the angle off.

    Take care of is ASAP. My minor vibrations got worse as the slip yoke started to deteriorate as a result of the u-joint vibes.

    Just got the Slip Yoke replaced and the vibes are back to just a minor annoyance again, but I ordered an axle shim kit to fix it permanently (hopefully).
     
  13. Feb 24, 2010 at 2:33 PM
    #13
    4WD

    4WD cRaZy oLdmAn

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    Grey wire MOD, deck plate, diff breather MOD, 2nd gen. OME 883# on Tundra 5100's, OMD custom 3" leafsprings, rear shock relocation, Ivan Stewart TRD rims w/285/75/16's, '02 bumper MOD, Famous Fabrications sliders , LED interior/exterior lights, bed bar, Custom tube bumper, Old school KC day lighters,Red Ring 8" HID flood, Kenwood vhf 2M.. umm some other shit I'm forgetting right now
    Just a note: I've read alot of guys talking about vibration issues. Depending on how bad these vibrations are I'm of the opinion that alot of these "vibrations" have been there all along & some of you didn't experience or notice them until a suspension or lift mod was done, don't forget people, when you change things (like stiffer suspension) all the road vibs that were silenced by the "mush-mush" softness of your stock springs/shocks etc; are now pronounced by suspension mods,generally all the way up the drivetrain,thru the suspension & on up to the steering wheel, you're going to "feel" alot more of the road.......:D
     
  14. Feb 24, 2010 at 3:55 PM
    #14
    4421.frank

    4421.frank [OP] Well-Known Member

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    02 double cab prerunner supercharged
    nasty dent on driver's side bed panel, shabby seats, cigarette burned interior roof, missing berf bar pad, cracked rain visor, removed hood scoop, unmentionable stain on back bench?
    where do the shims go on the axle?
     
  15. Feb 24, 2010 at 5:05 PM
    #15
    shitroc

    shitroc Master of War

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    they go between the leaf packs and the axle
     
  16. Feb 24, 2010 at 6:44 PM
    #16
    BRP27

    BRP27 When I grow up I want to be just like Me

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    3 in Ultimate ToyTec, set @ 2.5 in. AAL PINCH Weld Mod ( beat the pinch weld over inside the fender) Painted the pinch weld on bottom of cab Black Hi Lift Knock off
    How do the center pins locate the rear end with the plates installed? I see a hole in the plate, do you get longer center pins?
     
  17. Feb 25, 2010 at 2:10 PM
    #17
    shitroc

    shitroc Master of War

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    you shouldnt need longer center pins, but if you do theyre only a couple of bucks for new ones.
     
  18. Feb 28, 2010 at 8:53 AM
    #18
    4421.frank

    4421.frank [OP] Well-Known Member

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    Southside chicago
    Vehicle:
    02 double cab prerunner supercharged
    nasty dent on driver's side bed panel, shabby seats, cigarette burned interior roof, missing berf bar pad, cracked rain visor, removed hood scoop, unmentionable stain on back bench?
    A friend of mine whom works for one of those muffler/ oil change shops allowed me to put the truck up on the lift and run the engine while in "drive". I experienced exactly what the mechanic and shop owner showed described and showed me. No vibrations from the transmisson, near the carrier bearing, or any where else along the drive shaft for that matter. The only area where vibrations could be felt was in the differential. It was noticeable and even more so when the truck was in the 25-30 MPH range. Having the truck up ona lift we automatically deduced the vibrations coming from the older tires (although these bad boys are on their way out, soon :D )
    Having come to the conclusion that #1. besides the elective mods and regular wear and tear parts, the truck really hasn't needed anything like this since I have had it. And #2. I just hit 100K the other week, and plan on having it around for another, this repair while somewhat costly would be a good investment.

    So I called the drive line shop that did the diagnosis last week and told them I would drop her off this monday to have the differential rebuilt. I was told there could a number of things wrong with the internal gears or bearing, but that would not be known until it was taken apart by a professional.

    Either way I am looking at putting a week's pay check into the parts and labor, but once again, if it helps me keep this bad boy for another five years going strong then ......... so be it :D

    I'll drop her off monday, and hopefully have it back by wednesday, I will let evryone know how this turns out.

    Until then..... it'll be a lot of walking in those two days:)
     
  19. Feb 28, 2010 at 9:38 AM
    #19
    Project.paradigm

    Project.paradigm Well-Known Member

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    x2
     
  20. Feb 28, 2010 at 9:43 AM
    #20
    4421.frank

    4421.frank [OP] Well-Known Member

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    Southside chicago
    Vehicle:
    02 double cab prerunner supercharged
    nasty dent on driver's side bed panel, shabby seats, cigarette burned interior roof, missing berf bar pad, cracked rain visor, removed hood scoop, unmentionable stain on back bench?
    what is this you speak of? what can i gain from having this? How much more will it cost me to have it done?
     
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