Lexus LS 2007+ :: Car Would Jerk Or Bump / Seems Like Left Rear Was Hit
Sep 9, 2013
Shortly after we got our 08 ls460 my gf asked if I had felt a weird brake issue. She said it was like the car would "jerk" or "bump". The way she described it was more like how a car with an auto tranny will "creep" if you aren't holding the brake pedal down firmly. Yesterday I was driving the car, with her in it. Stop at a light. All is well. Brake off, gas on to leave...It felt like someone hit us on the left rear of the car. I actually stopped and looked behind us to see what the hell happened. She says "that's the feeling I was telling you about". When we got the car I had it on a lift and noticed the left rear sway bar link was broken, but there was no damage to indicate a reason. I can't find anything else on this problem anywhere and can't tell if it's brake related or trans related. Our local lexus dealer is going to check it out on wed at 9am.
Calipers were in great shape when I did the brakes with no hanging or signs of trouble. Everything works like it should 99% of the time. But damn if that 1% won't scare you.
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My left rear suspension will leak down to bump stops unless I turn off auto suspension leveler. I can set suspension at high level turn off and it will stay that way i had set that way for 2 weeks and no leak but if I turn on leveler it may stay or it may leak down usually just left side somebody had said that my air bags were leaking so I tested it out all last month and find it hard to believe the bags are leaking if it will stay inflated a week or 2.
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I have an 08 LS base model, and recently while driving I'll hear a knocking noise coming from the rear suspension. This is every time I'll go I'll go over a bump. The knock is the same as when I had my 03 Acura TL .
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07 LS460L with air suspension - Passenger side rear bump noise heard when going over potholes or uneven road. It feels like a bad bushing or shock tower mount.
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I have a very well maintained 1998 Ford Explorer 4.0 SOHC 4X4 with only 67,000 miles. Sometimes at highway speeds ( 65MPH ) there is a fairly pronounced bump / jerk. I will also happen occasionally when accelerating from a stop. IMHO, it's not a slip. Fluid has been flushed and is bright red. The best I can tell the RPMs are not jumping when this happens. I've all but counted out an engine misfire. There are no engine or OD light on. Where I should begin troubleshooting? I don't want to spend tons of money trying to isolate the issue but this Explorer is in exceptional condition so I want to have it fixed.
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A couple months back I purchased a 2010 F150 XL with the 4.6 2V engine. It has about 112,500 miles on it as of today. The problem I am seeing is in the trans. Normally around town there is no issue other than it seems to shift from 1st to 2nd kinda quickly. That is of course you get on it harder, and then no issue at all. The real issue comes after driving for more than 30 to 40 mins. My wife and I took a little day trip that required about 45 mins of highway driving. The truck performed perfectly. Cruising at 75 to 80 there was no issue at all. When we reached our destination it was more stop and go type driving.
It was then I noticed that when pulling away from a light the trans was not shifting from 1st to 2nd smoothly, but rather with a jerk, or bump. Not horrible, but definitely noticeable. Again if I really put my foot in it it did not do it. All other shifts seem fine just 1st to 2nd. The trans temp gauge was steady in the normal range, and this was on a pretty hot day, in the 80s. Since I bought the truck used I cannot say with any certainty what servicing it has had, but judging from the condition it is in I would guess it was well taken care of.
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Had a slight shutter or jerking feeling in their LS, sort of like the rotors are warped, when they slow to a stop from 40+ MPH? I just cannot make the car stop smoothly no matter the amount of brake pressure I apply.
I can 100% eliminated the issue if I shift the car into neutral before I slow down. So it has to be the the transmission not downshifting smoothly. Done it from day one. I even replaced my rotors and brakes so I know that isn't it.
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I got off the highway today and was at a very long light, but enough time to feel my car making slight jerking movements and i saw the car raise a little over an inch.
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Every time I go over a speed bump faster then 2-3MPH There is this terrible thump / rattle that sounds like a rusted out 1993 Buick Riviera with blown out shocks.
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I have been experience some rough ride, and i am always in "comfort" mode for the air suspension. I have been changing the suspension over to "sport" for a mile or two then back into "comfort" and that seems to fix it for a day or so and then it goes rougher again.
I have also noticed when i am riding with the windows down that every time i hit a bump not only is there a jarring jolt, but also a squeak almost like a shriek that comes from presumably the suspension in the front ?
I would like to know if this is a sign of failing air bags, a bad compressor, bad sensors or even if the control arms are in question at this point. . .?
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How to fix rear air suspension from dropping down to bump stops ...if I reset it every night it is fine but if not it will be down on bump stops by morning.
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I have a 2006 Mazda 3 Hatchback. We recently had new tires put on and an alignment both were needed pretty bad. Before the work the car had a pretty bad vibration to begin with. After the car ran smooth for about a week and then my described it having a vibration and thought something fell off. We took it back to the shop and they checked it over and rebalanced the tires and suspected that maybe a weight or two fell off.
The car ran fine again and then this past weekend I was driving and noticed that around 60-70 the car vibrated but not consistently, as it slowed from 70 to 60 it seemed to vibrate more. I also noticed around 25 that it had the vibration occasionally and could feel a slight jerking or tug to the left.
My guess is I have a broken or cracked motor mount since its not consistent at any speed. My reasoning is that at the lower as I accelerate the engine rpms are causing the jerking and as I slow down the decrease in rpms is causing the vibration.
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I notice that when I jerk the steering wheel left and right fast (1-2 inches) I hear small knocking sound. Seems to have narrowed it down to the right side steering rack inside the booth.
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Need to identify what could this be? It used to come and go, now it's constantly here. I took it to the dealer but there was a 3 hour waiting time, so I might have to go another time. If you do know what is it, could I fix it myself? While driving there's no squeaking, but I can hear a metal on metal sound while on bad roads, the type of noise you would expect from a bad tie rod or something like that, on good roads it's fine. The noise you can hear on the video happens when I push the car side to side. [URL] .....
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I have a 2011 Sante Fe AWD 3.5L with 22K on it. The last few days I have been hearing this chirping noise coming from the left rear tire when I am stopped. When I am driving with windows closed or open I do not hear it, but when I pull into my driveway or a parking spot I hear it occasionally. Today, since I am looking out for it I get home, get out of the car and go to the left rear wheel well and sure enough it sounds like a chirping noise. Does not sound like it is mechanical and when I look under the car all seems OK. I put my ear right up to the top of the wheel near the well and I hear it. Sometimes it does not happen..
I suspect the Tire Pressure Monitoring System.....
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It took a second trip to Koons Lexus of Wilmington to solve, but the rattle is gone.
It was a very quiet sound, which was only noticeable on smooth roads so it probably was caused by air moving the plastic panels in the wheel well. It took three trips around the block with the Service Manager and technicians to confirm, isolate and diagnose the sound ... driving over rough paving caused enough noise to mask the sound.
This time new clips were secured by screws that force them to expand and prevents them from loosening ... so we were told. Why it only affected the left rear corner and was so difficult to solve is unknown, but our truck is quiet again ... as it should be and as it has been for three years.
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The rear left side is rubbing over bumps with 2 adults in the back...
Specs are as follows :
Rays VR G25
19x8.5 ET45
19x9.5 ET42
Goodyear AS2 Front - 225/35/19, Rear - 265/30/19
Lowered on HKS Max IV GT
Really want to keep the lowered look and in fact I want to lower the rear 5mm more. Thinking of changing to 255 in place of the 265 for the rear.
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Today my daughter left car key on trunk(lexues es 350,2008), No spare key. Is there any way can I open the door myself or should I call key company and pay to them to fix it?
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I just bought a 2006 LS460. It's pulling strongly to the left (this is a UK RHD car). I'm assuming this is just a wheel alignment/tracking thing, but just in case it's not, are there any other potential causes that I should be aware of ?
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I have an '08 350 with less than 82K miles. My problem is the AC. The vents on the passenger side blow out cool air and all the vents on the driver's side blow out hot air. Even the vents in the backseat, the left one blows hot air and the right one blows cool (my son informed me of this as I hadn't even checked). As you can imagine it's very uncomfortable driving around in this CA heat every day, especially since the driver side vent in the center cannot be completely closed. What could cause this?
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Experienced a buzzing noise from left rear wheel well. I have noticed it a couple of times after the car has been parked in the garage and sitting for awhile. The dealer said it is normal and the auto suspension readjusting. However, it will continue for a long time but will turn off if I start it up. I am concerned this normal leveling will burn out the motor in do time. We have a 2010 premium.
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