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Discussion Starter · #1 ·
I have a 3" toy tec coil spacer lift on my truck. I have noticed a HIGH pitch squeal comming from my real end. Im pretty sure that its my u joint. If i purchase the 1" diff drop for my truck (like i should have in the first place...) will it stop the squeal or at least lessen it?
 

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hmmm, could be wrong here, but if you put a spacer in the front of the truck, that wouldnt impact the rear end much. You can put the spacer in the front (I advise) but you will also have to replace the ujoint if that is whats bad. Maybe the carrier bearing.

Unless you have a 4runner....what truck do you have....
 

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Diff drops are usually for the front end to better align the CV joint. if you have a PreRunner, a drop is not needed, its only for 4x4 for the front CV boots.
 

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Check the carrier bearing...i got mine all gunked up and i soaked it in some wd-40 and it stopped.
 

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Discussion Starter · #5 ·
SilverTaco said:
Check the carrier bearing...i got mine all gunked up and i soaked it in some wd-40 and it stopped.
to answer questions before i got a 98 tacoma 4x4. Can i get a picture of the carrier bearing? im not to familiar with the drivetrain on the tacoma.... stilll learnin about it.. also how much will i have to spend if i have to replace the carrier bearing?
 

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when you get underneath and look at the drive shaft, you will see that your drive shaft isnt one long peice like older yotas, it's 2peice. Where the peices meet in the middle, thats the carrier berring. It's kinda hard for me to describe. any help?
 

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Discussion Starter · #7 ·
yea so where the "rear drive shaft" connects to the "front shaft". So that could possibly be where the squealing i hear is comming from? and use wd40 to clean it? also how much to buy a new one if i have too? also what brand OEM? also yes or no to Diff drop. Also have to go to my next class (high school sucks) so i check the post when i get home thanks for all the help
 

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Discussion Starter · #8 ·
I also just read on Customtacos that the carrier bearing isnt present on Regular cabs..(which is what i have)....now really confused
 

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Ripcurlsurfin96 said:
I also just read on Customtacos that the carrier bearing isnt present on Regular cabs..(which is what i have)....now really confused
That's correct, std cabs have a one piece rear driveshaft..
 

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Ripcurlsurfin96 said:
I have a 3" toy tec coil spacer lift on my truck. I have noticed a HIGH pitch squeal comming from my real end. Im pretty sure that its my u joint. If i purchase the 1" diff drop for my truck (like i should have in the first place...) will it stop the squeal or at least lessen it?
A diff drop tilts/pivots the front of the front diff downward slightly. It has nothing to do with the rear driveline, and therefore would do nothing for your squeal.
 

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TmudRroverD said:
Diff drops are usually for the front end to better align the CV joint. if you have a PreRunner, a drop is not needed, its only for 4x4 for the front CV boots.
Diff drops are not usually for the front end.... they're always for the front end. Also, it's not that a diff drop is not needed on PreRunner... it's not possible on a PreRunner. In order to do a diff drop, you have to have a front diff. PreRunners don't have a front diff.
 

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synovus said:
Diff drops are not usually for the front end.... they're always for the front end. Also, it's not that a diff drop is not needed on PreRunner... it's not possible on a PreRunner. In order to do a diff drop, you have to have a front diff. PreRunners don't have a front diff.
You don't know WTF you are talking about. Doing a diff drop will fix everything that could ever possibly be wrong with your truck.

Later,
....Mike
 

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Ripcurlsurfin96 said:
to answer questions before i got a 98 tacoma 4x4. Can i get a picture of the carrier bearing? im not to familiar with the drivetrain on the tacoma.... stilll learnin about it.. also how much will i have to spend if i have to replace the carrier bearing?
How did you lift the rear? AAL, blocks, new leafs, shackles? Did you add an extended BPV bracket?
 

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Mike said:
You don't know WTF you are talking about. Doing a diff drop will fix everything that could ever possibly be wrong with your truck.
I like spreading misinformation. I used a diff drop to air up my tires this weekend, and fix that nasty dent on my rear passenger-side quarter panel. Then I used it to play MP3's in my CD player on the ride home. Once I got home, I used it to cook up a big ol' steak and some home-fries. Diff drops are awesome.
 

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Alright, now we know you have a std cab... Are you 4x4? How did you lift the rear? What exactly is the sound, like something constant no matter 10mph or 70mph? Doest it only happen when gas is applied to engine? Some of this stuff is hard to think of I know but it helps the problem.

When I had some noises in the front that I wasnt sure if it was my bumper or something else, I had a buddy drive around the parking lot and I was on the front bumper (big old cattle killer... it kinda had a place to sit and strap yourself in for a fun ride!) and figured it was my bumper. Point is that I just ramble on here....err try to figure out more information and tell us when you know.
 

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Discussion Starter · #16 ·
Yes i am 4x4 and i lifted the rear with AAL
Ok, the noise is constant it is a high pitch squeal (almost like my truck box top is rattling but its not) and its worse when gas is applied. It graduallly increases in sound as the mph is increased. when idling down a hill its still present but not as bad. no vibrations that are noticable and ....um cant think of anything else....
 

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Ripcurlsurfin96 said:
and its worse when gas is applied. It graduallly increases in sound as the mph is increased. when idling down a hill its still present but not as bad. no vibrations that are noticable and ....um cant think of anything else....
That`s usually an indication of bad u-joints. The sound is usually metallic with a hollow sound and will increase in pitch the faster you go. Look closely at the u-joints around the bearing cap and see if there is any rust around the caps. Grease them real good and see if you notice any unusual color squeezing out. (rust color) Hope that helps
 
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