Prius (2004-09) :: Pulsing Effect When Turning Right - Severe Steering Wheel Shaking
Nov 7, 2011
This summer, my steering rack failed, and I had it replaced with a remanufacutured steering rack. All went well, until a few weeks ago I started feeling a pulsing effect when turning, usually when turning right. On a few occasions, the shaking has become severe. It is a back-and-forth effect, about three times a second. It is bad enough that it has triggered a power steering error on two occasions. I took it to the garage who installed the rack, asking them to have a look at it, and they found nothing. Because the effect is regular, I am assuming that I am feeling the 12V power assist malfunctioning or reacting to faulty input.
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I bought 09 GX-470 4K miles ago..has 50K on it. Ran perfect when we bought it. wife said it started doing it 1 week later. I drove it and felt like warped rotors to me. replaced front rotors and pads with cheap wearever brand...I Know...I was sort of trouble shooting..did nothing ...did the back rotors and pads and seemed to fix it..did proper bed-in of new parts but, never checked at speeds above 55mph. recent trip got us up to speeds above 55... at these faster speeds when brakes are applied we get a nasty wheel wobble and a pulsing pedal...braking below 55 it feels fine.. thought's ?? last car was a 4runner which has the the same rotors and pads and never had a problem...could it be ABS ?? should I go with new oem rotors and pads ?
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Windstar 2000, 260K, ABS not functioning, previously ABS light on all the time now of even with Key on Engine Stopped. While a long drive after 1600 KM failed to apply the Cruis. Horn not blowing. Retried cruise engaged but resume, horn, deceleration did not not function. Stopped, disconnected battery for half hour cruise and horn started functioning. Again after 400 KM stopped functioning. Now it is intermittent. Tail lights normally working. Cruise deactivating switch (switch unser the master brake cylinder) was changed by ford 5 years back, it is dry no signs of brake oil on it. Fuse no 10 is OK. Rapid repeated turning steering wheel has no effect. CEL On since 4 years code is for bank 2 CTM.
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Wondering what could be possible causes of severe shaking while under acceleration?? Also does it worse when turning right. Will just vibrate and start going wherever.
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When you turn the steering wheel, left or right, the horn honks at random stages of turn. Nothing long, just a short honk. If you stop the wheel where the honk happened, it just honks.
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I have a 2004 Pruis. Lately I have been noticing a problem with the cruise control. Often when I press the button to turn on the CC it will not come on, but if I turn the steering wheel to the left a bit I am able to turn on the cruise, sometimes when I turn the wheel back it will continue to work and other times it will not. I tried to search and found others posts about prius CC but couldn't find anything that included all of my symptoms.
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So when I bought my '11 460L I noticed that along the top portion of the steering wheel (the lacquered portion) there is a fair amount of bumpiness. Basically it seems like the clear coat didn't cure correctly. It's not a big deal and ultimately I can live with it. However, since it does seem like a defect in the way the steering wheel was made I brought it up to the service adviser earlier today when I was dropping the car off for service. His immediate response was that the previous owner drove the car with a ring and that what I was feeling were indentations made by the ring.
While I can understand that a scratch or a chip may result from a ring riding on or banging against the wood, I find it very difficult to believe that it would actually cause waviness in the actual finish. This, of course, is beside the point that what I felt were more of protrusions rather than indentations.
So my question to you is for those who drive your cars with rings and such, have you seen those rings have any effect on the lacquered portions of your steering wheel. I didn't push the issue any further aside from the adviser who is the assistant manager saying that he will run it by the primary service manager. But I am not sure I want to let this one slide unless it really is an issue caused by the driver.
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My car has shaken from the start but I thought it was because it was a small car that was a great price so this is how it ran. Today it started shaking so badly up through the steering wheel that I was afraid to drive it. Still am. I got the tire pressure checked, the wheel balancing checked - all ok. Took it into the dealership (car is still under warrantee) and they think it's likely the drive train/drive shaft.
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I dimmed my gauges to 1/4 brightness and went for a drive at night. When applying brakes or speeding from a stop...the needles have a slight pulsing effect. LS460 ....
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I've got 2 identical 01 models with 150-200k miles that are having issues with the steering wheel chattering and shaking occasionally, like a pump is gravitating or something. I've only noticed it at low/no speed when turning the wheel. It shakes for a second or two, then quits. No fault lights on, and no codes pulled with mini vci...
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I have a 1996 Dodge Ram 1500 5.9L V8 4x4 ... Automatic transmission sport model
I have a severe shaking at 1500 rpm last gear and a slight shaking at idle doesn't shake when I'm off the gas barely shake when I kick it into higher revs but I than hear piston slap.
I replaced the spark plugs and I have brand new U-joints. Last night I checked all the plug wires and they are all getting spark. But my exhaust is skipping like I'm not firing in a couple cylinders
I checked the rear transmission mount (I'm replacing it). And the Engine mounts look ok but I'll check again today
I've read a ton of forums and they all have different answers so I'm really trying to figure out what is wrong before I spend a bunch of money replacing things that won't fix it!
I've read that it can be my tranny, TC, Harmonic Balancer, Steering Stabilizer, pinions, Tie rods, Steering(over all), IAC, Fuel System, IgnitionSystem.
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Years and years ago, I had an issue with my trusty '02. The steering wheel would shake VIOLENTLY back and forth. I went round and round with Toyota, but at the end of all the angry phone calls and emails the issue never got fixed, but they paid for an after market steering rack. I wasn't about to pay the 4-5K to get the issue fixed, so I just pulled the PS relay, and have been driving merrily along with no power steering for about 90K miles. I'm now at about 195K.
About a month ago, I noticed some symptoms.
1) some play in the steering.
2) when I went over some bumps, I could really feel the bounce, and it felt like metal bumping into metal.
3) when I punched the accelerator, there was a delay and a "thunk" feeling.
I was coming up on a major servicing, so I took it in to the dealership. They sorted out a few things that I knew were overdue (wheel bearings, battery coolant, transaxle lube), and came to the decision that the steering problem was that I needed a new rack. I told the gobsmacked mechanic that I just happened to have one, and they put it in, and they recalibrated the steering sensor paddles so that I would again have power steering. When I started the car up in the dealership lot, VIOLENT SHAKING. They took it back in, and declared that was because my ignition battery was marginal (which it was), and that a new battery would sort this out. I thus spent far too much money on a new battery. Two days later, wheel starts shaking, and again I pull the relay. All is normal again.
The questions are these:
1) Can that kind of shaking be repaired?
2) Could it really have been a battery issue? (the battery reads a nice even 12.6 and has a wonderful warranty)
3) Was my issue just tie rods the whole time?
In the meantime, I'm going to get 238K (distance from earth to moon) if it kills us all.
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I've got about 27k on my GTI, and have just noticed some faint, but odd steering / power assist issues.
Relevant mods - koni coils. Have had these for about 15k, recently raised for winter travel, then lowered back to 24.25 ftg. Conti DWS with about 3k on them.
Anyway, other day (while in brief winter height) at parking lot speed, slight turn, I noticed a very faint pulsing through steering wheel. Was not there minutes later.
Lowered car back, drove for a few days, nothing unusual.
Drove from SF > LA yesterday and had an odd feeling at speed on freeway. It was like a bit of resistance turning the wheel off center. Almost like there is a center detent, which i have never noticed before. Once off center, all feels normal. It was super windy out and thought that was causing this, but continued throughout drive.
I don't think that this is the tires, it's more mechanical than that.
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So today I took the gx470 on the highway and once is approached 70mph i noticed the steering wheel shaking... never before have i noticed this but today it happened i guess sporadically... just the steering wheel and nothing else... is this just the alignment? bad road? excessive speed? funky... lmk
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I'm getting some vibration and steering wheel shake with my '04 GX... I have a 2004 GX with the differential dynamic damper installed. About 55-60mph it starts, and shakes the steering wheel back and forth. Sometimes it's completely smooth, but on other road surfaces it shakes. On full "comfort mode," the shake is much worse, but on Sport mode it dampens the shake to about 10% intensity, but it's sometimes still there. This is not bump steer, by the way.
So far, I've done:
-Brakes
-Alignment
-Front hubs
-2x wheel balancing with 2 different sets of wheels/tires
-lubed the drive shaft and prop shaft to fix the clunk (Clunk TSB has not been done)
-changed the power steering fluid
-checked all control arm bushings, ball joints, tie rod ends, and sway bar bushings. All are solid.
I recently jacked up the front end and moved the wheels back and forth by hand. It seems like there is some looseness coming front the inner tie rods. However, I pushed and pulled and can't get a clunk or anything. I think it's coming from inside the steering gearbox. My VIN says it's before ST002-05, so that TSB aka "Steering Flutter" would apply, if it is that.
After 104k, are the front shocks due for a change? It does seem to nose-dive a bit on braking, but the shocks aren't leaking or anything. Would worn shocks cause steering wheel flutter on these trucks?
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Lately my 2007 GX470's steering wheel has a shaking/vibrating problem whenever I apply the brake at speed above 50 mph or so. Without braking or with braking at slower speed, there is no problem at all -- everything is glass smooth.
1. I assume the front brake rotor is warped?
2. Will I need to change the rotor or is there a way to fix the warp (it that's the problem) without changing the rotor?
3. Approximate part & labor cost?
I plan to bring to dealer for a check up but would like to know ahead of time what to expect.
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My GX470 steering wheel shakes/vibrates when I hit speeds over 50mph. What is causing it?
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I bought a new 2010 (Gen III) Prius IV one week ago. I have driven it less than 200 miles. Last night, I experienced a few seconds of steering wheel shaking while driving at highways speeds. I assumed I had hit uneven pavement. At no point was it difficult to turn the wheel. But after the shaking, the car seemed to sometimes drift to one or the other edge of the lane. I chalked that up to unfamiliarity with the car and to rain and darkness. Today, I read Forum posts that described the lighter touch that usually works and the importance of wheel alignment.
After the shaking, another 45 minutes of driving, and a half hour parked, I headed home on a slower road. That is when my wife noticed that the Electric Power Steering warning light was on. We are both pretty sure it was off before that. This morning, I pulled out of the garage and back in, and turned the wheel both ways as it moved. The light did not come on.
I called the dealer to discuss what had occurred. I made a service appointment for Monday so they can check it out. Someone in a Gen II forum (where I mistakenly posted this at first) advised me to pull over and take an evidence photo of the light if it comes on again.
The PS warning light wouldn't be too surprising to see in a Prius driven tens of thousands of miles. If yours ever came on when your Prius had low mileage, I'd be curious to know the outcome. I misidentified a benign icon as the EPS warning light.
The mechanic became suspicious when he couldn't find any code or any trouble. We sketched the icon we remembered seeing for the service supervisor. He explained that it was the cruise control light. I either forgot I had turned cc on or I had pushed it accidentally when I operated the wipers.
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This summer my power steering went out. I replaced the steering rack with a remanufactured rack, which failed. I got the replacement rack replaced by the remanufacturer and installed by a different shop. Same problem: SEVERE vibration when turning hard right followed by the PS error code, or just little twitchy motions when driving. I'm having the second shop take a look at it again this monday as I suspect that this is a data processing issue.
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How do I turn off that Severe Weather alert when I start the vehicle? I remember reading the trick somewhere ... But cannot locate it now.
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It feels like I am having a front bearing issue, when turning the steering wheel to the right I feel a slight vibration in the steering, need to know which one is going out,??? I have already replaced the passenger side twice It just seems to not tighten completely as I can still move the tire slightly while up on a jack...
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