Lc 500
Thread Starter
Driver School Candidate
Joined: Mar 2020
Posts: 13
Likes: 2
From: chouran
Lc 500
Hello,
I hear a clunking noise on my Lexus LC500 each time I step on the gas and brake. It is coming from the rear on the right side. What that could be? Is it the electronic parking brake? The car has only 11,000 km. Please help.
I hear a clunking noise on my Lexus LC500 each time I step on the gas and brake. It is coming from the rear on the right side. What that could be? Is it the electronic parking brake? The car has only 11,000 km. Please help.
Lexus Test Driver
Joined: Sep 2016
Posts: 8,588
Likes: 392
From: PA
On the LS430, it's sometimes traced to the shims on the brake pads, but more so because a brake pad job was done and they were not replaced (the reason is they are $50 per axle and kinda a nice souvenir for the tech, je me souvenir). One test is to note if the sound is heard at the onset of braking, or while braking (the former in this issue). Another is sway bar end links. Your car is too new for this one. I would take it to the dealer as there should be an adjustment warranty for around 19,312 km or so.
Thread Starter
Driver School Candidate
Joined: Mar 2020
Posts: 13
Likes: 2
From: chouran
What I mean is, each time I accelerate ( normal city driving ) and / or brake, I hear a clunking noise, coming from the back, as if there’s something in the trunk that’s loose and moves forward and backwards.
Thread Starter
Driver School Candidate
Joined: Mar 2020
Posts: 13
Likes: 2
From: chouran
On the LS430, it's sometimes traced to the shims on the brake pads, but more so because a brake pad job was done and they were not replaced (the reason is they are $50 per axle and kinda a nice souvenir for the tech, je me souvenir). One test is to note if the sound is heard at the onset of braking, or while braking (the former in this issue). Another is sway bar end links. Your car is too new for this one. I would take it to the dealer as there should be an adjustment warranty for around 19,312 km or so.
i will take back to the dealer once it opens, everything is shut down here because of coronavirus.
Driver
Joined: Dec 2018
Posts: 150
Likes: 48
From: TX
I kept hearing the clunking noise and though there was something wrong.
I even returned to the dealer but they tested the car on the back of the dealer parking lot and reported that there was nothing wrong with the car. (they just never sped up fast enough to raise the spoiler).
After a while ( and many start/stops trying to diagnose the noise) I realized the spoiler makes the noise when it closes.
I decided to turn it off in the city due to the frequent start/stops.
It can be turned off on the settings or it can be deployed all the time.
So, if that is Ziad's problem, it has a simple fix.
Puertex
Trending Topics
Pit Crew
Joined: Jul 2019
Posts: 115
Likes: 13
From: Louisiana
I had the same issue when I bought the car.
I kept hearing the clunking noise and though there was something wrong.
I even returned to the dealer but they tested the car on the back of the dealer parking lot and reported that there was nothing wrong with the car. (they just never sped up fast enough to raise the spoiler).
After a while ( and many start/stops trying to diagnose the noise) I realized the spoiler makes the noise when it closes.
I decided to turn it off in the city due to the frequent start/stops.
It can be turned off on the settings or it can be deployed all the time.
So, if that is Ziad's problem, it has a simple fix.
Puertex
I kept hearing the clunking noise and though there was something wrong.
I even returned to the dealer but they tested the car on the back of the dealer parking lot and reported that there was nothing wrong with the car. (they just never sped up fast enough to raise the spoiler).
After a while ( and many start/stops trying to diagnose the noise) I realized the spoiler makes the noise when it closes.
I decided to turn it off in the city due to the frequent start/stops.
It can be turned off on the settings or it can be deployed all the time.
So, if that is Ziad's problem, it has a simple fix.
Puertex
Sounds a stupid yet simple error.....If this sound is so annoying I would just directly go to the touring package. Although I do like the CF roof.
ClubLexus Stories
Celebrating Lexus & Toyota from Around the Globe
Lexus NX 350h: A Fuel-Sipping Secret Hot Hatch???
Michael S. Palmer
5 Best & 5 Worst Lexus Daily Drivers
Joe Kucinski
Top 5 Hottest Lexus & Toyotas in 2026 (Hardest To Buy)
Brett Foote
2026 Lexus IS 350 F Sport Review: The Last of Its Kind Still Rocks
Michael S. Palmer
Top 10 Most Confusing Things Lexus Has Ever Done!
Joe Kucinski
2026 Lexus ES Review: Lexus Re-Embraces Founding Principles
Michael S. Palmer
10 Lexus Bargains That are Cheaper Than a New Toyota RAV4
Joe Kucinski
8 Weirdest Things Lexus Has Ever Built
Verdad Gallardo
10 Lexus Designs That Have Aged Like Fine Wine
Verdad Gallardo
Thread Starter
Driver School Candidate
Joined: Mar 2020
Posts: 13
Likes: 2
From: chouran
yes it’s the performance package, however, I always disable the spoiler when driving in the city, plus I don’t accelerate much and reach the certain speed that automatically activate it.
Thread Starter
Driver School Candidate
Joined: Mar 2020
Posts: 13
Likes: 2
From: chouran
I had the same issue when I bought the car.
I kept hearing the clunking noise and though there was something wrong.
I even returned to the dealer but they tested the car on the back of the dealer parking lot and reported that there was nothing wrong with the car. (they just never sped up fast enough to raise the spoiler).
After a while ( and many start/stops trying to diagnose the noise) I realized the spoiler makes the noise when it closes.
I decided to turn it off in the city due to the frequent start/stops.
It can be turned off on the settings or it can be deployed all the time.
So, if that is Ziad's problem, it has a simple fix.
Puertex
I kept hearing the clunking noise and though there was something wrong.
I even returned to the dealer but they tested the car on the back of the dealer parking lot and reported that there was nothing wrong with the car. (they just never sped up fast enough to raise the spoiler).
After a while ( and many start/stops trying to diagnose the noise) I realized the spoiler makes the noise when it closes.
I decided to turn it off in the city due to the frequent start/stops.
It can be turned off on the settings or it can be deployed all the time.
So, if that is Ziad's problem, it has a simple fix.
Puertex
I don’t think it’s a spoiler issue. I usually drive in the city and I don’t speed much so it rarely raises up.
i think it’s a brake thing or something that’s loose. I frequently hear it when start stop. I’m sure it’s coming from the rear and on the passenger side.
Pit Crew
Joined: Dec 2018
Posts: 182
Likes: 43
From: EP
Turn off the spoiler from the settings menu, not the button near the armrest.
Since i completely turned it off (while deployed) i never had the issue you mentioned, except for the endless rattle sound that the LC is famous for
Since i completely turned it off (while deployed) i never had the issue you mentioned, except for the endless rattle sound that the LC is famous for
Pole Position
Joined: Dec 2018
Posts: 217
Likes: 150
From: Hamilton
Just saying, “famous for” is an overstatement as 99.9% of cars have “some” noise issues within the first year or two. Only had the roof liner noise in my case, which I fixed myself after reading about all the unsuccessful attempts from dealers on posts here. My Lambo, Porsche and both Alpinas all have at least one rattle/noise each BTW.
I guess my LC is not famous