NickJrv

@BigDingus How are you getting on? I've been trying to tackle a similar issue with mine. Here is a big of useful info from another forum if it helps you...

I've just re-read this (after a good night's sleep!) and may get this checked. Good thinking - thanks

Thanks @Spock66 I think that's where Lexus will come in... not taking any chances now 👍

@RONNIE W HODGEKINSON My problem was I couldn't drive it anywhere! 🙂 But I can now, so Lexus may well be my next step 👍

Okay, for anyone who ends up with a similar scenario... I adjusted the front sensor 'arms', which can screw in or out to shorten or lengthen the rod. This has the effect of moving the position of the sensor internals, depending whether you want more or less air in the struts. I wanted less air (in the 'N' position) so I shortened the rod gradually till the suspension dropped. This also had the effect of "un-disconbobulating" (does that word exist?) the suspension set-up. I was then able to select H, N or L and hear the compressor doing its thing. It's not perfect, but the ride looks much more normal at the front, the rear struts went up about 5-10mm which gives it 'some' dampening in the aft... the car is at least driveable now 👍 I have tried to lengthen the rear adjuster arms a couple of mm to see if that pushes the rear struts up a bit more. Didn't seem to make much difference. I may just need to do a couple more mm, but don't really want to push it as that may not be the issue at the back - could just need a clean up of the sensor internals. I'll update this thread with any more news 🙂

Thanks 👍 Really appreciate it

@Herbie Bit of a 'bump' 5 years on... but do you have a copy of teh full file that you took this screenshot from? If not, do you know where I can get hold of it? I could do with some diagnostic help... 🙂

@JasonH Thanks... worried that might have been the case 🙂 What's really odd is there are absolutely no error codes at all 🤔

@Easy do you still have your RX300 SEL? If so, did you ge the issue resolved with front struts higher than rear (if you can remember)? I'm having a similar issue...

Nice! I too just got a Pass with no advisories last week 🙂 2007 350 SEL

Hi, I've searched all over for what I'm experiencing and can't find it. Most posts relate to struts losing height and needing replacement or a left/right side imbalance. Mine is rear vs front imbalance. All 4 struts were replaced in past 3 months, so I'm sure they are fine. So... I had the car in the garage today. After being on the ramp, my mechanic (independent garage) tried to set the heights at each corner to Lexus-recommended heights. It took the changes. The rears were even. The fronts within a cm of each other... but... when the car was restarted the fronts went high (maximum height it looks like) and the rears v low, almost the low setting. Now, it had been on the ramp so the dampers may have needed to settle, but it's weird. The only lights that the height button will go to is H and N. It doesn't flash when I move between the two and the height doesn't adjust at all. It won't go to L at all. The fronts strut basically seem to be stuck on H and the rears on L. Do I just need to be patient, let the dampers settle and hope it sorts itself out in a day or two? I tried disconnecting the battery. No change. I tried manipulating the height sensor arm to let the air out so all corners were on the L position. Disconnected the battery. Waited 30 mins. Re-connected, turn on car, pump came on, raised only the front to max height and no height at rear. N.B. all 4 struts are new (within 3 months old) Is there a nice reset trick I can do?

Meant to say: ARB bushes - greased! Dodgy wheel bearing - replaced! 🙂

Okay, for anyone who has had similar noises on an RX 2nd Gen, there were 2 aspects that were fixed: ARB bushes - these had been replaced a couple of months ago, but (as I suspected) were tight. The bar was rubbing loudly against the inside of the bush and making teh creaking (bed spring) noise when 'bouncing' over speed humps and imperfections in the road as it flexed. It also made a slight clunk when steering left or right at slower speeds (under 5mph) so in that scenario they were grabbing the bar, then the flex would suddenly release sideways and make the slight knock/clunk (which you'd expect maybe with dodgy drop/end-links). Wheel bearing (NSF) - this was actually wobbling! (vid attached) This is what I could hear make a clunk noise when I rocked the car side to side when stationary. Assumed it was related to the other (ARB) creaking. So that has been replaced. Job done. I drove home in total silence! 👍 Happy investigating to you all 🙂 Dodgy_Wheel_Bearing_18Oct2023.mp4

Thanks @GMB I'll do some "unexpected place" checking. Interestingly that was the same rattle location on my RX300! I fixed it last year. But seems fine on my RX350... the search continues... 🙂

By 'stabiliser bar' do you mean the ARB? (anti-roll bar) I've done those bushes, but if you mean somewhere else I've missed then I'll definitely give it a go! 🙂 I'm now Googling garages with suspension diagnistic stands/kit 👍