Lexus GX 2004-09 :: 2008 GX470 - Intermittent Rumbling Noise As Drive Down The Road
Feb 25, 2016
New to my 2008 GX470. 100k miles. Love it so far. However I think I am hearing a intermittent rumbling as I drive down the road. It is like the rumble from a radio base sound. It could be normal road noise but I bet it is not.
I have replaced the left front axle (grease boot broken), replaced the rotors and pads, replaced all differential and transfer case fluids (not transmission yet) and inspected all the suspension parts.
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My 2006 RAV4 Sport 4WD, 80K miles, is making a light rumbling or light vibration noise as I drive down the road. It's intermittent, and will generally stop making the noise when I let off the gas (auto trans). It happens at different speeds and will always quit if I let off the accelerator, but doesn't always quit if I step on it. It's just faint enough I can tell it's there, and doesn't sound or feel very severe. I probably would never notice it if my stereo was on. I thought it might be my Bridgestone tires, which have less than 10K miles on them, but I would think the noise would continue even if I let off on gas.
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Just picked up '14 350 f-sport and I notice a lot of road noise after 100 miles, have about 150 miles on it now and it sounds like the front wheel bearings or maybe the tires? sounds like a rumbling coming from the front. I don't recall hearing it on the test ride, not sure if its normal or not.
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I have a 07 f150 and while driving I have a vibration only in 4wheel drive high but not a bad one but when I take my foot off the throttle it gets worse as well as a rumbling sound!! this is only after a 6" lift was installed it seems and I have replaced both front drive shaft u joints thinking that was the problem but didn't solve the problem....
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2007 GX470 120,000 miles. Great vehicle and no problems until now. Seems I have an intermittent engine whine/whirring/zinging sound. I say intermittent because sometimes it there and other times its gone. It is fairly loud. Almost like an extremely loud alternator whine, only this sound is coming from the area near the ac compressor. There is some plumbing which runs just along the left side of the compressor pump and when I grab those lines and the little aluminum cannister in that area, I can feel the vibration in that system, big time. No vibration from the compressor pump though. Not sure what those lines are, but whatever they connect to is probably the culprit.
Its odd because the noise comes and goes. It doesn't fade in/out. It's either full blast loud, or totally gone. Once it's gone, it doesn't come back for a few days. Then one morning i go out and start the truck, and there it is again! Usually lasts for about a day, then it goes away for a week or so. After a week goes by, there it is again! Really odd. I had my mechanic look at it, but it wasn't making any noise that day (as luck would have it). He told me it was an awesome vehicle. Of course I agreed, but that didn't diagnose the problem.
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I have had an issue with my GX470 almost since I bought it in 2008. It will sometimes not engage in drive after backing out of a parking space.
It usually happens when it is warm and the car has been driving for awhile then I park for lunch or an errand. I come back start up the car put it into reverse backout of the car space and nothing for a good 5-6 seconds. Seems a lot longer when cars are waiting to take your space and honking.
Anyway I have been reporting it to Lexus at every service and getting a no trouble found. Over time it is occurring more regularly and it even happened at the dealership but of course I was the only one in my car at the time.
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I purchased a used LS 460L w/ 60k miles after a few months noticed a rumbling sound front end noise took it to dealer was told upper and lower control arms and bushings needed to be replaced at a cost of $4,000. Looking for options have a friend with LS460 w/90k miles no problems must be the L version issue ???
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I would like to post this performance issue on my 2003 GX470_79Kmiles which happened on the freeway yesterday. The sequence:
1) During start and at idle/stationary, the rpm shoot to 1100rpm and stayed there for a while, i would think that it was normal since the engine was still cold.
2) Drove to the freeway, I noticed that speed is very slow to pick up. My normal driving experience was that at close/equal to 2000rpm, the speed usually at around 70-75mph. But there was a considerable reduction of speed at around 60mph at almost more than 2000rpm, plus a buzzing engine noise. I tried to really rev-up the engine but very sluggish to pick up the speed not even close to 70mph.
3) Drove the car to lexus shop this morning, top speed of 60 to 65mph and tried to rev it up to plus 2000rpm to pick up speed, but the engine noise is very abnormal.
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My 2008 lexus GX470 shifter moves but wont go into gear into gear and A/TP dash light is on. However it will go into gear when I have it in 4 high or low. Is the transmission shot?
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Have owned my 2008 GX470 for about 8 months now and love it. However, over the last month I have noticed the molding between the driver door and roof has been popping out. I don't know if there are clamps down in there that have fallen out or if the molding just needs to be clamped back in. Picture is below.
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I have replaced the battery and determined that with the key turned off and doors unlocked the battery drain settles down to 130 milliamp after 60 seconds. If you lock the doors it settles down to the expected 20 milliamps after 60 seconds. Any description of what functions are turned off by locking the doors?
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Having bought my 06 GX 470 only a few months ago, we're encountering 90-degree-plus days for the first time. There is an unusually loud noise from the engine that I'm almost sure is cooling fan noise. It occurs after running in the heat of the day. It's not mechanical noise, but a loud roar like that of a large truck engine. Is this typical for these models in the heat?
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How to diagnose the engine issue I am having. The gx currently has 96k miles and I am planning on doing a timing belt and water pump replacement as I plan on keeping it as long as possible.
One new issue that crept up is that when going down the hill the car engine sounds like it's actually accelerating and the RPM drops to as if it was idling.
Normally when going down the hill it usually stays around 1 or 2 on the rpm, it's noticeably different and just started happening recently. What might be the cause of this?
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06 GX470 muffler exhaling white smoke for a while, now the smoke disappeared, however, a new hissing engine noise is evident. The noise increases with the revolutions of the engine and it never stops.
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Our 2004 GX has been a great car, but is suddenly doing a number of strange things - like not start. When I say it won't start, I mean you can turn the key, the dash lights up, the steering wheel adjusts, radio goes on, etc, but then NOTHING! No solenoid "click", no starter noise, NOTHING! Does not crank at all. The car just turned 60,000 miles, is in great shape, lives in the garage and has never been in an accident.
After the first couple of times it did this, had the battery replaced, as it was getting close. and then the car started again. Until the next day. No rhyme or reason as to when it would do this. It might start 10 times in a row, then NOT start for a while, then magically fire up instantly, even after several key turns. I wiggled the key, tried a different key, shifted to Neutral, wiggled the shifter to try to rule out security interlock, bad ignition switch and shift interlock. No dice.
Did some more research and thought it might be the starter relay - banged on it and it started, so replaced that part. Didn't solve the problem. It also began to randomly die while idling (in park, or in drive). Sometimes it would re-start, sometimes not. The times it has done this, it typically dies after running or 15-20 minutes, but NOT ALWAYS.... Sometimes it will die once, then be good for the rest of the day. Sometimes it re-starts immediately, after a few minutes, or more recently only after sitting for a few hours.. So basically we can't use the car.
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I have a 2004 GX470; bought it new. The last few months I have been hearing a strange noise from the driver's side; seems to be coming from under the floorboard and can sometimes feel a vibration in the brake pedal. The noise is similar to a cat meowing. Have a son who is a GM tech; he said it sounds more electrical than mechanical. It happens mostly when I drive it cold. Seems to also happen more when turning/braking. I had the main belt replaced this summer. Should I have the tension pully replaced?
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2006 GX 470, purchased CPO with 26K miles in March 2008.....my sunroof just made a horrific clicking noise upon opening last night, and the one-touch opening isn't working, I have to physically hold the button down in order for it to open all the way.
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I have a problem with my gauges. Sometimes my RPM gauge works, and sometimes it doesn't.
When I approach the car and open the door, I hear a weird noise coming from the gauge cluster (or a nearby area). When I start the car, none of my gauges work, and you can see the temperature, speed, and fuel gauges flickering. After about 10 or 15 seconds all gauges fire up, except for the RPM gauge.
The flickering does not always occur, but my RPM gauge is dead most of the time. It works once in a while in the morning when I start the car, but once I shut down the car and start it again, I loose my RPM gauge the rest of the day.
I think the noise I hear behind the cluster or inside the steering wheel area has something to do with this problem because the cluster problem arouse when I started hearing the noise.
I managed to put the problem on video, and you may see it here. If you focus your attention on the fuel and temperature gauges right after I start the car, you will see the flickering. You will then see the needles jump to their correct readings about 15 seconds after the car starts, but as you can see the RPM gauge is dead.
YouTube : [URL] .....
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My car has an intermittent crackling noise when changing gears from park to reverse, park to drive, and vice versa. It also starts squeaking (coming from the engine) when backing up. The crackling noise almost sounds like sparks.
Having that issue in their generation 2 Prius? I was told by the service adviser that it was the brakes. I think it sounds like a bad issue, although I was told it was completely normal, and maybe they can clean something. Is this pretty commonplace?
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Have water on passenger side floorboard after a heavy rain or car wash. Seems to come from more the dash glovebox area than rocker panel. I'm aware of cleaning sunroof drains, don't think that's it.
I've removed the kick panel, can see drain, it's not too short like other post show. I realize it could be the windshield, but what about the cowl drains?
Now to the clicking noise. I hear it when AC is on recirculate, if I switch to fresh air, it stops. The temp outside or in, seems irrelevant.
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The noise is related to vehicle speed, not engine speed. Easiest to hear when all is quite coasting at 30mph. Sounds like the front. It just started the other day.
The noise sounds like moan from airplanes high ahead (think WW2 movies). I replaced the front springs and shocks a few thousand miles ago and did not get it realigned. No noise until now. The tires are good and feel smooth (no sign of cupping, feathering,..). It is 4wd. How best to tell if it is wheel bearing? Rear end? Get it aligned?
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