Front diff shot in my 06 Tacoma 4x4?

38% best answer · 29 Nov 2010, 01:39 pm

I lifted the truck and immediately got wicked vibrations in 2Hi between 25-40mph, but vibes went away when I switched to 4Hi. I've heard of this happening a lot in Tacomas and that it means that the bearing in the front diff is toast. My question is, if I just live with it rather than have the diff replaced (or un-do the lift), what's the worst that could happen? I wan't to avert a costly or dangerous component failure, but at the same time I don't want to un-do my lift!

p.s., to clarify my lift is 2.5" in front. I've heard the vibrations will go away if you unlift the truck.

Scott W · 29 Nov 2010, 01:54 pm

You did not state all the fact before in the last post,like after lifting the truck.So you had no vibration until you lifted it and it went away after you put it in 4hi none of that make a bit of sense.If the bearings were bad in the diff it would get worse in 4 hi and it did not do it till you lifted the truck.Did you get the front end aligned after you were not?Bet not so it has to do with something you did or did not do,I find it hard to believe just lifting the truck caused all this.Have the front end check out.

kevin · 29 Nov 2010, 02:09 pm

I suspect you have the front drive shaft out of phase. The splines must be assembled so that the U joints are in line with one another. If not the shaft will vibrate like crazy. Might not vibrate as bad joint 4 high as it is loaded then but will really shake the truck when costing along with the transfer unlocked and the hubs still engaged

If you lift moved the diff lower in the frame then you need to ensure the angles were set up correctly. most toyota have a CV type U joint on the front drive shaft but may not on the newer stuff. CV joint vehicles permit you to turn the pinion up and aim it straight at the transfer. Non CV requires the pinion to be on the same angle or plane as the transfer case.

Front diff shot in my 06 Tacoma 4x4?

Welcome to our forum

Quick member login