Rear differential whine?

[Kenny]

I got the same noise after the lift. I think it's just the driveshaft + thin floor. I also notice it more with the skid plates on - they probably reflect the sound back.

Check your fluid levels - replace axle oil if its been a while - as well as the TOD case.

Check the U-joints (see if there's any play in the drive shaft when you try to turn it by hand...)

Check your emergency brake tension

Check the rear rotors - discs for corrosion


Check the inside of the rear rotors for a loose drum pad (E-brake) or worn pad.

If all else, maybe rear bearings....

Also, meet up with a fellow VXer and try their ride to see if it's they have same noise....

Good Luck.

[Joe Isuzu]

I got the same noise after the lift.
Check your fluid levels - replace axle oil if its been a while - as well as the TOD case.

Check the U-joints (see if there's any play in the drive shaft when you try to turn it by hand...)

Check your emergency brake tension

Check the inside of the rear rotors for a loose drum pad (E-brake) or worn pad.

If all else, maybe rear bearings....

Also, meet up with a fellow VXer and try their ride to see if it's they have same noise....

Good Luck.

OK, I've heard U-joint twice now. I will try that first. The tension on the e-brake is NOT what I'd like it to be. You basically have to yank it all the way up to have it hold and I just prefer it to not be that drastic. I did replace the oils recently but not the TOD oil. I will have to read up on how to do that.

[etlsport]

you can also try greasing the driveshaft, i just did all my grease points (3 on the drive shaft and 4 suspension bushings that i added) quieted my vx down quite a bit

[LittleBeast]

you can also try greasing the driveshaft, i just did all my grease points (3 on the drive shaft and 4 suspension bushings that i added) quieted my vx down quite a bit

I think you are right on. That was origonialy my 2nd thought so I tried that and it fixed my 'bad vibrations' for about a week. So there are 2 things replacable in the area the u joint and something else my dad said went out on his toyota 4x4 back in the day. How big of a deal is the u joint? How much time? If too hard price?

[taylorRichie]

I believe it's the U-Joint (+) and the Yokes (U) Does anyone know the specs for our U joints? I'd rather buy aftermarket from a Driveline specialist than get a factory set.

I used to work at a Trailer (semi) repair shop when I was a teenager...

[rowhard]

here are a few threads from earlier days:

http://vehicross.info/forums/showthr...ht=ring+pinion

http://vehicross.info/forums/showthr...ht=ring+pinion

http://vehicross.info/forums/showthr...ht=ring+pinion

http://vehicross.info/forums/showthr...ht=ring+pinion

U-joints will cause the clunking type sounds, espically when going form drive to reverse. Gears, make the whining sound

[Joe Isuzu]

thanks Rowhard, if you know off-hand, I would appreciate knowing if the ring and pinion set would need to be replaced or just serviced? Also, would the Isuzu mech know it by that name or is there a more proper term? I'm at work and can't spend too much time running through threads. If you don't know, that's ok, I can read them tonight.

[rowhard]

Well, a u-joint tends to pop when it is acting up, wearing out. The ring and pinion gear will give you the whine, and yes I have it too, with no lift other then cranking the torsion bars to get the 285's to fit.

[Joe Isuzu]

OK Rowhard, please educate me. What do you do if it is the ring and pinion gear? Is this something that just needs to be replaced or can it be serviced?
These are all good, I need to make a mental note of all that I need checked as I'm betting the local Isuzu mech will say all appear normal
U-joint, e-brake, ring and pinion