slight moaning sound
Thread Starter
Driver School Candidate
Joined: Dec 2011
Posts: 3
Likes: 0
From: Wa
slight moaning sound
I have a new to me 04 LS430 with 53K on it, at freeway speed 60-75 MPH there is a slight moaning sound and goes away on long sweeping curves then comes back on the straight.
It does not appear to be RPM related but speed related, Wheel bearing?: The car has been
Lexus dealership maintained up to 49K, looked it up by VIN on Lexus web site, any thoughts?
Tom
It does not appear to be RPM related but speed related, Wheel bearing?: The car has been
Lexus dealership maintained up to 49K, looked it up by VIN on Lexus web site, any thoughts?
Tom
Lead Lap
Joined: Jul 2009
Posts: 4,810
Likes: 15
From: MI
My dog has her head on my knee and is making that same moaning noise as I eat lasagna that my daughter made. I'm typing instead of giving some to the dog.
Welcome! I'm the designated smart-aleck moderator (as opposed to those moderators who can probably actually answer your question).
Welcome! I'm the designated smart-aleck moderator (as opposed to those moderators who can probably actually answer your question).
CL Community Team
Joined: Sep 2009
Posts: 3,915
Likes: 227
From: Alabama
It would likely be some front end, suspension, or brakes, tires, wheels component given that's where most of the load and force vector changes occur when changing direction.
First thing I would do is check for uneven wear and alignment problem as previously posted, also have tires rebalanced and rotated and see if noise changes.
It could be a wheel bearing if the car has ever had any significant impact to a wheel potentially damaging the bearing.
First thing I would do is check for uneven wear and alignment problem as previously posted, also have tires rebalanced and rotated and see if noise changes.
It could be a wheel bearing if the car has ever had any significant impact to a wheel potentially damaging the bearing.
Thread Starter
Driver School Candidate
Joined: Dec 2011
Posts: 3
Likes: 0
From: Wa
Moan no more?
Thank you for the quick input, I will be going to Pacific Tire this week to have the tire and wheels
checked for true and balance. I will let you know how it turns out...
Fresh Amsoil 5w-30 signature series and Ea filter after visit to the tire shop then a long test drive
in the nicest car I have ever owned... Tom
checked for true and balance. I will let you know how it turns out...
Fresh Amsoil 5w-30 signature series and Ea filter after visit to the tire shop then a long test drive
in the nicest car I have ever owned... Tom
Lexus Test Driver
Joined: Mar 2007
Posts: 1,025
Likes: 13
From: McAllen, TX
Check the tie rods. My bro had this problem, and even though th car was technically in alignment, the tie rods were adjusted very unevenly. One was almost fully "unscrewed" and the other "screwed in" too much. In a long sweeping curve it would cause a misalignment and subsequent tire noise. Dealer had done the alignments improperly, he had an indie shop diagnose and fix it, requiring the steering wheel to be removed. Kind of a complex job, but got it solved.
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