12-15-2009, 11:00 PM
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#16
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It was the rear differential, and it wasn't empty. It needed lubricant additive. We had been through everything and he figured it out that that must be the problem. So far, he seems to be right. The vibration is a slight, fading flutter now thats slowly disapearing.
He certainly wasn't the guy who didn't put it in. The car was vibrating when I bought it. I was certain that the wheels needed to be balanced and the tires needed to be changed(as were two different mechanics initially). Which was okay with me because the kook i bought it from had cheap ass oversized tires on it and i planned to switch all of that out, but the vibration persisted.
Last edited by Robiscus; 12-16-2009 at 04:06 AM.
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04-10-2011, 11:06 AM
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#17
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Join Date: Apr 2011
Location: Sugarlandd Texas
Posts: 2
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Engine vibration on 99 4 runner
My whole car vibrate when it is on drive and or on reverse while stopped when on park . while I am driving no problem, one mechanic said the motor mount look good, I guess Drive and reverse means when it engages the transmission could it be the transmission mount, I appreciate any advice.
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04-10-2011, 03:22 PM
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#18
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Join Date: Mar 2011
Location: Nor Cal
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Quote:
Originally Posted by Robiscus
It was the rear differential, and it wasn't empty. It needed lubricant additive. We had been through everything and he figured it out that that must be the problem. So far, he seems to be right. The vibration is a slight, fading flutter now thats slowly disapearing.
He certainly wasn't the guy who didn't put it in. The car was vibrating when I bought it. I was certain that the wheels needed to be balanced and the tires needed to be changed(as were two different mechanics initially). Which was okay with me because the kook i bought it from had cheap ass oversized tires on it and i planned to switch all of that out, but the vibration persisted.
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What was the additive? I know there is V/LSD rear ends that need a special modifier to help with the chatter in the clutch plates...But again those are Limited Slip/Viscous Style rear ends. What diff do you have? I am just curious, maybe there is an additive I am supposed to be using....
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99 T4R 4X4 eLocked 1st Gen S/C
Suck-Squish-Bang-Blow!
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04-11-2011, 10:10 AM
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#19
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Join Date: Jan 2011
Location: Encinitas, California
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My '99 has the same vibration issues. I always thought it was the wheels/tires, but then I had new wheels/tires installed and the problem persisted. A few people said it could be steering rack bushings, but I am eager to try this solution.
Can you offer any insight to the lube/additive? Do I have to take off the diff cover ?
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1999 2WD / TV's in the head rests that never get used / 12v hook up for a blender / Bro Comp 8069's/ Yoko Geolanders 265/75/16/ I think it's the SR5 version..but maybe not/ 5100's in the front
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04-11-2011, 01:26 PM
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#20
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Join Date: Sep 2010
Location: Cheyenne, WY
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Real Name: Phil
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Location: Cheyenne, WY
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Quote:
Originally Posted by aberry1401
Suddenly, I'm getting this trembling/tremor through the car on acceleration. I've also noticed that it is less or absent when the engine is cold, and sometimes seems to require tat I break 60 mph or more before it kicks in. It also seems to disappear when coasting.
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This sounds exactly like what mine was doing some time ago. It was an injector. However if that is the issue your check engine light should be on. And they will find it when they run the diagnostic.
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267/75/17 Cooper ATs - Level 8ZX wheels matte black - EBC rotors/ pads - 99 coils/ Bilstein 5100s - deckplate - Sotashi/custom emblem - Hella micro DE fogs - Kenwood/Alpine/Infinity system - sound deadened interior - color matched bumpers - LED tails - Safari LTD rack - Husky floor liners - clear corners
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04-11-2011, 01:30 PM
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#21
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Quote:
Originally Posted by Jared Pabis
My '99 has the same vibration issues. I always thought it was the wheels/tires, but then I had new wheels/tires installed and the problem persisted. A few people said it could be steering rack bushings, but I am eager to try this solution.
Can you offer any insight to the lube/additive? Do I have to take off the diff cover ?
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I replaced mine a while back hoping it would help my vibrations, but it didnt. It tightened my steering a little, but the vibrations were still there, hate to say it. Steering rack bushing would cause you more trouble over bumbs, making the front end feel sloppy. But if your vibration is consistent when driving down the highway, its doubtful the rack bushing are the cause.
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267/75/17 Cooper ATs - Level 8ZX wheels matte black - EBC rotors/ pads - 99 coils/ Bilstein 5100s - deckplate - Sotashi/custom emblem - Hella micro DE fogs - Kenwood/Alpine/Infinity system - sound deadened interior - color matched bumpers - LED tails - Safari LTD rack - Husky floor liners - clear corners
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04-11-2011, 04:16 PM
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#22
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YEAH!! I'm interested too in this mystery additive. LSD diffs were'nt used in these years 4runner or Tacomas. Maybe he means sawdust additive.
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99 Limited,OME front, OME springs rear with 5100 Bilsteins
94 SR5 with Marlin SAS, 2001 3.4 swap, M/T Sidebiter wheels, 35" KM2's, 4.7 t-case, e-locker rear, Aussie locker front, RB 1.5" body lift, All-Pro t-case e-brake, Marlin sliders, KMA bumpers front w/Superwinch and rear w/ spare tire carrier
All the above and a Can-Back Pachyderm was on my old 88 4Runner
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04-11-2011, 08:51 PM
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#23
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Quote:
Originally Posted by 1985taylor1925
I replaced mine a while back hoping it would help my vibrations, but it didnt. It tightened my steering a little, but the vibrations were still there, hate to say it. Steering rack bushing would cause you more trouble over bumbs, making the front end feel sloppy. But if your vibration is consistent when driving down the highway, its doubtful the rack bushing are the cause.
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There's some rattling over bumps, maybe the steering rack bushing will help like you said.
My vibration issue has been pretty frustrating. If a road is smooth, I don't have any issues, but on "corduroy" highways it happens at various speeds then will just stop.
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1999 2WD / TV's in the head rests that never get used / 12v hook up for a blender / Bro Comp 8069's/ Yoko Geolanders 265/75/16/ I think it's the SR5 version..but maybe not/ 5100's in the front
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04-17-2011, 02:59 PM
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#24
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right on, i would get up to speed then put in neutral and see if shake goes away. there is a TSB on the transmission crossmember being out of wack, and you gotta replace with a new one that is at more of a slant and lowers your exhaust sheild. i did one at work and it cured a truck.
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04-18-2011, 02:20 AM
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#25
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ludog, do you have the info on the TSB? can you just look at the cross members to see if it has been applied?
i have been chasing a vibration through mine for quite a while now as well. not so much in the steering, but about 30 and 60 it is the worst. and some times when i am maintaining speed at a low rpm i get what almost feels like a sruging, but not as violent as i would expect from the engine missing.
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99 SR5 4wd. SS1.2 lift, Badlands bumpers front and rear with swing out tire carrier, Ramsey patriot winch, ARB lockers front and rear with 4.88 gears, 15x8 Procomp Series 8069, BFG KM2 33x10.5
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