Lexus RX 2004-09 :: Rattling Noise From Rear Of 2008 RX350 When Driving Over Uneven Pavement
Sep 14, 2015
I'm the proud owner of a 2008 RX350 with low mileage (40,000 miles - US model). I purchased it a year ago and I haven't had any mechanical problems. However it's been 3 months that I have this rattle from the rear, especially when driving over uneven pavement.
I had the vehicle checked by a local mechanic but he couldn't find any loose part at the exception of the spare tire plastic cover underneath that looked a bit flimsy but he couldn't tell for sure... I even did an oil change at a Lexus dealership and they didn't find anything when they hoisted the car but they didn't look hard either....
I've disconnected the tonneau cover and put the release latches, for the tonneau, in the lock position (towards the front of the vehicle). That didn't solve the problem. Lastly I removed my plate cover and still didn't resolve it.
Anyway, the rattle seems to come from somewhere underneath, around the trunk area and is loud when you hit bump or drive on uneven road and it's driving me crazy!
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Have just leased 2008 pasat 2.0l turbo. Great engine but suspension has loud rumbles /noise on uneven pavement. Have lowered tire pressure to 30 . suspension noise still persists. only have 1500 miles. dealer says that everything is still to factory spec.
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I am on my third RX now with my 2014 RX350. Previous to this car I had a 2007 RX400H which I loved. I find this new car much noisier when on pavement than my RX400H. Noticed the interior noise on the 2014 to be quite loud. I compared to my wifes Mercedes ML350 also a 2014 too and it's much louder.
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2007 Touareg with 19",V6, with 10,700 miles
Problem: Noise or rattle in engine compartment, at low speed (less than 25miles/hour) on uneven pavement (not potholes). Can be replicated over and over.
The dealer acknowledge the noise and has tightened all suspension parts, greased all joints, replace front-right shock and bushings (for some reason the noise is more prevalent on Right side), put some sort of tool with sensors in different areas of the chassis to "hear" noise differences while driving to determine the culprit.
Description: To me, the noise sounds like there is something lose in either the engine compartment or the area where the wipers are located. Sort of like if there was something (plastic maybe) hitting the chassis (only at slow speeds - I cannot hear it when driving faster I guess because of engine and road noise). I have not been able to figure it out.
The noise was present only on another 2007 with 8K miles.
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Since Ive got my 2010 Tiguan 2.0 TSI, I hear a creaking noise coming from the front right suspension when riding over uneven pavement. The dealer said it is a common known problem from many Tiguans caused by the engine mount and that VW recommends the change of that part.
The new engine mount is slightly different from the one that is installed in my car. I am still waiting for the part to arrive and to be changed. Meanwhile, I spoke with another 2010 Tiguan owner, here in Brazil, whose car has already received the new part.
He said that the creaking noise has gone but now he feels more vibration coming from the engine and a kind of "diesel-engine-sound" when accelerating... Location of the engine mount: [URL] ....
The "old" engine mount bears the code:
5N0 199 262 G
5AY CN
M086
09/03/27
[URL] ....
The "new" engine mount bears the code:
5N0 199 262 E
5AY CN
M082
09/03/10
[URL] ....
I assume that the first number is the part number, the last is the manufacturing date and the others are either car model or manufacturer code or anything else. Note that the part number is the same, except by the letter suffix: "G" in the "old" one and "E" in the "new" part. Well, the suffix designation does not make sense for an evolutionary design...
My questions are:
1) Is it a new design or is it a roll back to an older part that does not cause that problem although it was probably modified due to another issue?
2) Is this part number specific for 2.0 TSI engine or is it the same for other engines (petrol/diesel)?
3) Which engine mount have you got on your cars?
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I had this problem before on my 2009 RX350 and took it to the dealer - they were stumped at first but eventually figured out it was the spare tire making noise every time I made a turn into a driveway or went over a little hill/bump.
They did something to adjust it or tighten it and the jack etc. and it went away. Now the sound is back, big time. How to adjust the spare to get rid of this. Also if there's a hack to pad or insulate the spare that would be great.
I also found another thread on a similar thing but it's talking about struts, shocks and trailing arms on 3rd generations. [URL] ....
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I have a 2008 RX350. When i shut off the engine and pull the key out i hear a constant clicking sound. I dont really know where its coming from but i can kind of pin point it maybe to the windows or door i'm not too sure. I also notice the interior light flickering to the same pattern as the clicking noise.
Second problem - in the middle of the night the alarm goes off! Its the alarm without the horn noise. For some reason i cant switch it off with the fob key. No matter what i do i cant switch it off. So it goes on for about 20 seconds and stops. I just leave the car unlocked after that and it doesnt come back. The alarm noise is coming from the boot....
Third problem Now the navigation screen flickers. Blacks out then the lexus emblem appears then switches back on itself.
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We own a 2013 RX 350, purchased less than a year ago. We are experiencing this rattling noise coming from inside the side panels, its frequency changes depending on road and weather conditions like if road is rough or if its windy. We have taken the vehicle to Lexus Service three times so far for the same issue, they have acknowledged the issue. Last service took almost a month but still no remedy.
As of last service, Lexus took the entire roof liner down to fix the issue but it came back after one day post service.
Noise is extremely irritating because it occurs next to driver's left ear and is annoying as anything can be. Same goes for right ear for the front passenger.
We have owned Nissan Maxima, BMW and Lexus before and none of the vehicles had this issue.
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Our 07 RX350 has 47,000 miles and I just starting to hear (I think from the front) a faint rattling noise while driving. It's hard to describe but it sort of sounds like what you might expect if an empty plastic bottle was slowly bumping around in a plastic box. It is not a metal on metal type of noise. The shocks/struts appears to pass the old bounce test and the car does not seem to display any of the handling issues you get when you have worn shocks/struts.
I also checked the upper engine compartment to see if any plastic shrouds or covers were loose - they weren't.
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I'm having a problem with a rattle that's in the front end of the car. I only hear it when I'm driving over "off roads" (uneven terrain) and not streets. The sound is not entirely Metallic but sometimes I get to hear rubber against rubber. I already changed motor mounts and stuts mounts but the rattle is still there. Is there anything else I should look for? I've had this rattle for over 5 months now!
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I'm new to the VW world so I'm not entirely sure what this noise can be. That car seems to shake more than it normally would when going over uneven pavement, such as dips and holes. It also makes a terrible clanging noise. Now I know this model is renown for needing engine mount replacements...but it feels like it's the suspension.
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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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My 2012 Plug-in spontaneously started making a metal scraping/rattling noise in the middle of a low-speed drive around the neighborhood yesterday. Seems to be coming from the left front wheel area. I've checked thoroughly under the car and in the front wheel wells for anything that could be dragging/rubbing, and I can't find a culprit there.
It occurs while coasting in EV mode, so not ICE/exhaust related. The car doesn't pull to one side or the other. Only 9K miles, so I wouldn't suspect a hub bearing or any other significant wear to be causing this.
Possible clue or red herring: the dealer replaced the the left front tire and did an alignment two days ago, and the noise occurred within 15 miles of driving after that service.
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Spring has arrived and the whoop-de-dues are reminding me that the suspension in my 2013 passat tdi is rather soft. it rides great on a smooth highway but i would be curious if there is a way to change the suspension so that it 'floats' less on uneven pavement and in tight turns?
My goals would be:
1. float less on uneven pavement
2. track flatter and smoother in tight turns at speed
3. maintain highway comfort or dam close to it (99% of my driving)
4. remain at stock height (i am not lowering this car up here!)
It may not be possible to achieve all of this but at this point i do not know what is possible or what the pros and cons are of any suggested changes. A quick search of 'tdi suspension' on vwvortex gave me a few hits but mostly for golf and jettas.
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I don't know how to turn on rear wiper on my lexus rx350 2007.
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My 1997 cavalier convertible left side front bounces like crazy on bumps and uneven pavement. Installed new strut, and a new tire and balanced. Still does same thing. Rides great on smooth road. All suspension bushings look good and there is no play anywhere.
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I can't get an accurate reading on my dipstick of my '08 RX 350. I just tried after it sat all night and the oil is over the full marks. I just had the oil changed at Lexus and they used my 6 quarts of Mobil 1 and I told them not top it off to 6.5 quarts because I wanted to.
The tech said he did not add more than what I gave him. I just called Lexus and they said, yes it is difficult to get an accurate reading for some reason. He said check when the oil is warm and has sat for 5 minutes. Any others have trouble reading the oil dipstick accurately?
'08 RX 350 Flint mica/ blk 84,000 miles
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Have a 2008 RX350. It is our first Lexus product. The dashboard has begun to crack. Now has 4 cracks of various sizes. Contacted Lexus they said too bad. This should not happen to a Luxury vehicle. Sure makes the interior look like crap.
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Was wondering, there is a crack in their shifter bezel?
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Do I need to remove the rear bumper to replace the rear bumper reflector?
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I've had my 2010 Prius II for less than a month and am not particularly happy with it. I've experienced a slight surge forward when braking on uneven pavement at low speeds at least 4-5 times in 900 miles. This isn't something I can duplicate on demand. When I took it in to the dealer after the first time and asked if the ABS fix had been made to it, they told me my car wasn't part of the "campaign" (aka recall) because it was manufactured in March and the ABS problem had been solved by then. However, it sounds exactly like the problem people were discussing in Jan/Feb.
Once when I put it in reverse in a parking lot it lurched backward (my foot was on the brake) suddenly -- not far, but it was an alarming sensation. It also has a high pitched, barely audible whine when moving (can't hear it if I put on the radio). The mechanic said that was the normal sound of the battery, but I don't remember it from other cars I test drove. Is it normal?
I'm keeping an eye on the dome lights every time I park because I found them on one night (they'd probably never shut off after I parked the car during daylight hours) -- it could have been that the light was switched to "on" rather than "door," but now I'm paranoid and constantly check to make sure they're off when they're supposed to be, for fear of wearing down that little 12 v battery. Not fun.
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