[LCML] Need help with a FJ80 head sctratcher!
nkt at landcruiserspecialties.com
Wed Nov 3 10:28:21 CDT 2010
Once installed, you need to have them timed & balanced. If they are out of time (yokes not lined up correctly) and unbalanced, you will have premature u-joint, pinion bearings and/or t/case bearing wear.
15055 S. Loder Rd. A2
Oregon City, OR. USA. 97045
I just ordered the U-joints from Toyota. They will be here tomorrow and I will print out all the instructions and get them replace this weekend. Even if it doesn't take care of the noise I figure at 185k miles it is time to do it anyways.
No special tools need and easy to do. I would go back to Toyota to get new ones. I originally used NAPA and had one break then replaced with Toyota.
Thanks Don, I gotta tell you, that is kind of what my gut was telling me to do. I will check into that.
Is that something I can do myself or would that required someone with special tools etc.?
Mine did that and I ended up replacing the u-joints. All quiet after that. Greasing didn't help and could not see anything wrong with the ones that were on it.
I know that most of you are 40 gurus but I am hoping that you also know more about 80's than apparently I do.
This one is a real puzzler, not only for me but for a few others that are trying to help me on this.
1995 FJ80, automatic with front and rear lockers
I bought the car out of state, had a lift put on it (3 inch suspension lift) by a friend that knows these things backwards and forwards, and had it shipped to me.
Here are the symptoms. When you get about 35 miles per hour and above and you either press the accelerator, or let off it I get a grinding/vibration noise. I think it sounds more like vibration. So you press the gas and it vibrates, stops when the speed levels out and then vibrates again when you let off the gas. It is a pretty loud noise. I drove it to work today (it is my sons car and so I don't drive it much) and found out that while it is vibrating, if you are going over bumps on the freeway, the noise increases/decreases as you go over the bumps (hope that makes sense).
Here is what we have done so far.
Greased the u-joints
Checked the u-joints
Had the drive shafts checked for correct balance
Took the front end apart and re-greased the knuckles
Checked the pinion bearings for play and wear
Locked the center diff and ran it with the front drive shaft off, still made noise
Did the same with the rear drive shaft off, still made noise.
I have checked everything I can think of for looseness, nothing...
The last person who checked it out for me says it could be the T-case as it is really the only thing left. It does have 186,000 miles on it so that could be the case. But I really don't feel it much in the T-case when you are driving, it is making the noise and you place your hand on the shifter.
Anyway, I know it is real tough to imagine this without actually being hear and listening to it but I thought it worth the try just in case someone else has run into this.
Let me know if you need more info on anything. I will take any suggestions you might have.
Thanks for the help.
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