Am new to this post but was wondering how the ride is now?
I had some squeaking noise from my rear passenger wheel and the dealer said I had to change my rear upper and lower arm assembly because the bushings have worn out. He said that there were shops who could swap the bushings but it could affect the tire thread wear.
Do you know if this is a possibility?
Am interested to replace the bushings also but am worried about tyre wear as well.
It has been a few weeks since I have the bushings replaced, they are absolutely awesome, no noise, everything nice n tight, just the way they should be.
I assume you have a 07-12 LS460. I have 104k km on the car and my rear control arm bushings are just fine, these are more durable than the ones on the front.
Unfortunately there is no known bushing replacement/fix for the rear, other than swapping out the entire arms AFAIK. All front control arm bushings are available on ebay but I have yet come across any for the rear.
I am not questioning the professionalism of your dealer but I just don't see how putting new good condition bushings/or arms can adversely affect tire wear?? If that is true, wouldn't all cars fresh from the factory suffer from excessive tire wear?
I do know for a fact that if you have free play due to loose suspension parts, (worn bushings or otherwise) that would throw your alignment out of specs, toe angles being the biggest culprit and consequently induce uneven and excessive tire wear.
Get the rear bushings replaced (whole arms if necessary), do a wheel alignment after that, your tires will be fine.
I saw on eBay they sell both upper and lower control arms with the new bushing. However, looking at the pictures, and comparing to the lower bushing kits, the kits seems to have more bushings than on the lower control arm...where does the rest of the lower control arm bushings in the kit go?
Here is the front lower bushing kit:
Here is the whole front lower control arm:
So looking at the lower front control arm above, only one is used/mounted on the lower control arm. Where do the other two go? (four left in the 1st picture -- two on each side)
Looks to me like the top pair are the lateral (main) lower control arm, the middle pair for the shock/spring unit lower mount in that main arm and the bottom pair for the forward (compliance) lower arm.
I want to die peacefully in my sleep like Grandpa did, not screaming like the people in his carů 2007 LS 460 swb. Mercury metallic, grey interior. Bone stock, oe 18" wheels,ML radio, nav
I have attached a photo of the arms/linkages of the right front wheel before the bushings replacement. Notice the tear on the bushings in red circle.
The arm that is highlighted here in yellow (behind the silver lower control arm that runs laterally) is actually the anti-roll bar. Yes, the arb has a bushing on each side and they look quite durable. The arb link which connects the arb to the lower control arm does not have a bushing though.
There are quite a number of bushings at the rear, and unfortunately, as I have mentioned earlier, there is no known replacement bushings available on the market today. Guess will have to swap the entire arm if something breaks there.