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SUVs Toyota 4Runner Toyota 4Runner Vibrations
156 messages, Last post on Oct 29, 2009 at 4:34 AM
You are in the Toyota 4Runner Forum. Your Hosts are steve_ & tidester
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Replying to: brock1313 (Sep 07, 2006 6:33 pm)
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I have a 2006 4Runner and parked in mud maybe 2 inches deep. When I pulled out on to the highway I had vibrations in the steering which continued for a full 10 miles at 60-70 MPH before it went away. Apparently the steering is very sensitive to imbalance and it took that long to sling all the mud off the tires. If I had let the mud dry before driving I expect the vibrations would have continued. 
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Replying to: steve146 (Jun 21, 2007 4:14 am) Was the steering wheel shakeing left and right or buzzing? The 'buzz' is what I feel and it is enough to numb my hands during a long drive. I know about drive line vibrations and mud on tires causing imbalance but this problem Toyota has with the 4 Runners if mostly fleetwide and they know about it but elect to deny it. Thanks, Jim
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Replying to: jim58 (Jun 21, 2007 6:12 am) It was the buzzing that My wife and I felt. But like I said it was not there before I overgreased the slip joints. Toyota might know about the problem but dont know how to fix it. I just stumbled upon this by accident. I hope that this will fix the problem. This is what fixed my problem. Jim try greasing it until the slip joint stops expanding and then take it for a little drive and then remove the zerk fittings from both the front and rear slip joints and let the access grease out. It might take a couple of times to let the access out. See if that takes care of the vib. I have a funny feeling that the joint when serviced until you cant get anymore in it is just too much. And at the shops they are probably using pneu. guns, which will overfill very easily. Now I might be barking at the moon but I induced my own problem and this is what fixed it. I just drove our car from Washington to Calif and back with no vib what so ever. I hope this helps. |
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Replying to: jim58 (Jun 21, 2007 6:12 am) One more thought, I think that with the drive line slip joint being expanded all the way packed with grease the line will not flex and thus acting like a solid shaft with no give. It needs to be able to float. Oh and also when I packed it with grease there was no indication that it was full. In other words no grease squeezing out anywhere. Steve
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Replying to: steve146 (Jun 22, 2007 1:41 am) Thanks for the info. Sounds like that would a possible fix but I remember holding the brake (per Toyota's District Rep) and rev the engine to the vibration points and it still was there! The darn thing vibrates at 1200, 1700, 2150, 2700 and 3250 though it seldom sees the 3250 point. The brake test was only done on the 1200 and 1700 points but it was still in there! I am about to pull the last three hairs out of my head fighting Toyota about this. Odd thing, we have owned 9 Toyotas and NEVER had anything go wrong with any of them! My 02 Tundra 4x4 is an awesome truck with no problems at 90k miles but this 4 Runner is a lemon. Thanks again, Jim
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Replying to: jim58 (Jun 22, 2007 6:23 am) Have been reading all vib problems over again and again. This rev test: Is your 4runner an automatic? I presume it is. These days most are. The interesting comment that I read was the one person that had trany problems and then started having vib problems. I still have a few ideas about this issue. Steve
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Replying to: steve146 (Jun 23, 2007 5:10 am) Thanks, Jim
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Replying to: jim58 (Jun 25, 2007 6:03 am) Well we are narrowing down the difference between mine and yours. I have the 5 speed auto. I wonder if this is a problelm with the 4 speed tranny? My thought is that the torque converter is out of balance. Since you do the rev test in nutral? I'm guessing at this as you did not state the condition which is was being rev ed. My senerio is because with the car in neutral and rev ed up the only 2 things that are a factor in this would be the harmonic balance and the torque converter spinning. Anyhow I hate to see people having problems with toyotas as I own 5 of them with no problems as such. Let me know your thoughts Steve |
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HI - Some updates on vibration fixes - 1) LP_4Runner on http://www.toyota-runner.org/ did the Lexus fix on his 4Runner and feels problem virtually eliminated (ie, 95%). Here is fix - Parts: 41196–60010 Differential Dynamic Damper (1) - $69.54 91511–80820 Bolt (2) - $1.38 52380–60061 Front Differential Support No. 1 (1) - $143.42 51405–35101 Engine Under Cover Sub–assembly No. 1 (1) - $212.82 45219–60090 Steering Sliding Yoke (1) - $31.65 45203–60120 Steering Intermediate Shaft Sub–assembly No. 2 (1) - $167.27 Labor time was 1-1/2 hours, which he had done free. 2) The Lexus fix TSB is ST3010, which addresses STEERING VIBRATION & DRIVELINE VIBRATION/DRONE. I ran across serveral Lexus owners pushing for this fix. 3) For those wanting to reference the Toyota TSB ST001R-05 SEP 05 Steering - Highway Speed Steering 'Flutter', it is available on the Alldata site, url http://alldata.tsb.com/TSB/60/036007ad.html Interestingly, this bulletin is listed under 2003 Toyota Truck 4 Runner 2WD V8-4.7L (2UZ-FE). I have read it extends to 45 pages, so it may have relevance to your particular truck or might not. 4) There's been a lot of comments on the vibration cause. Expert view on steering vibration does not rule out tires as possible cause. Here is info: Steering flutter is a condition in which the steering wheel oscillates 5 to 15 times per second in the direction of the turn. It occurs at relatively limited but high speeds between 80 and 120 km/h (50 and 75 mph), and the oscillations on the steering wheel are fairly constant. Main Causes: • Tire run-out, unevenness, or imbalance • Resonance between the tires and the steering wheel Flutter is forced upon the steering wheel by the steering system resonating with tire vibrations, which are caused by imbalance, run-out, or unevenness in the tires. -------------- So all this may explain why some people are getting it worse than others, and the key appears to be to kill the resonance with the steering fix. I have an '05 4Runner Limited with minor vibration, but thanks to all you, can pursue a fix if it worsens with an upcoming tire change. Hope this helps - John
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