LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

DIY - LCA Ball Joint Replacement

Thread Tools
 
Search this Thread
 
Old 12-24-14, 09:10 AM
  #1  
rkw77080
Lexus Champion
Thread Starter
 
rkw77080's Avatar
 
Join Date: Mar 2011
Location: Texas
Posts: 2,186
Received 675 Likes on 462 Posts
Default DIY - LCA Ball Joint Replacement

I started to feel a slight vibration on the steering wheel (randomly) a few weeks back. I lifted the front wheels off the ground and performed the 12-6 O'clock and 9-3 O'clock test, and sure enough, the passenger side has a bit of free play on the 12-6 O'clock test. Turns out, the lower control arm ball joint was failing!

The replacement was very easy, and I don't believe a wheel alignment is required - here's how I did it...



*** CAUTION *** The steering knuckle is aluminum - it is very easy to cross thread/strip the threads inside. Please see Post #57 for an actual near-disaster example.

Last edited by rkw77080; 06-11-15 at 05:55 PM.
The following 6 users liked this post by rkw77080:
diamente (08-07-18), KKB (01-29-21), kos (11-08-21), lamw001 (06-19-21), nedear1688 (08-12-17), Tom57 (03-03-17) and 1 others liked this post. (Show less...)
Old 12-24-14, 05:46 PM
  #2  
midwest2
Pole Position
 
midwest2's Avatar
 
Join Date: Oct 2009
Location: Ne
Posts: 249
Likes: 0
Received 2 Likes on 2 Posts
Default

It really is an easy diy. What year and how many miles do you have on it? I think when I do mine I will do everything at once: lower ball joint, inner and outer tie rod (looks like u did the outer tie rod?) and the large control arm bushing that needs pressed in. And in my opinion, nothing quite like OEM parts for suspension work.
Old 12-24-14, 06:42 PM
  #3  
rkw77080
Lexus Champion
Thread Starter
 
rkw77080's Avatar
 
Join Date: Mar 2011
Location: Texas
Posts: 2,186
Received 675 Likes on 462 Posts
Default

It's a 2004 Base model with nearly 110K miles on the clock.

The passenger side ball joint showed signs of failure, but I don't remember hitting a curb or a pot hole beforehand. The rubber seal for this ball joint was torn with its internals exposed, which may very likely be the reason for its demise.

BTW, I re-use both tie rods since the ball joints are still in good condition. Thanks for asking!
Old 12-25-14, 08:14 AM
  #4  
Tom57
Pole Position
 
Tom57's Avatar
 
Join Date: Mar 2008
Location: Illinois
Posts: 2,146
Received 67 Likes on 63 Posts
Default

Nice write-up and pics, rkw77080. This IS an easy DIY, even easier with your write-up.

It's common for the passenger-side ball joint to fail independent of the driver's side, due to the condition of streets and roads. The right (passenger) side of streets and roads have more cracks, dips, bumps, potholes, etc., so that side of the suspension gets more wear and tear. I replaced both lower ball joints, and noticed the passenger side ball was more worn than the driver's side.
Old 12-25-14, 10:43 AM
  #5  
Lavrishevo
Lexus Fanatic
iTrader: (1)
 
Lavrishevo's Avatar
 
Join Date: Jan 2012
Location: NJ
Posts: 5,176
Received 308 Likes on 228 Posts
Default

Great. Thanks. I may do this now myself. Save $200. I have two LBJ's waiting to be installed. When I visited the dealer two days ago I spoke to the shop foreman and he swore up and down that the little pop I hear intermittently is not the ball joints and that they hardly ever fail on the 430. Anyway, mine does not have play at the 12 and 6 test. I think I'm still going to replace them anyway.

Did you buy OEM or aftermarket? How about alignment? How does she feel now?


Last edited by Lavrishevo; 12-25-14 at 10:47 AM.
Old 12-25-14, 12:05 PM
  #6  
rkw77080
Lexus Champion
Thread Starter
 
rkw77080's Avatar
 
Join Date: Mar 2011
Location: Texas
Posts: 2,186
Received 675 Likes on 462 Posts
Default

Originally Posted by Lavrishevo
Did you buy OEM or aftermarket? How about alignment? How does she feel now?[/IMG]
I went with the OEM route (see photo below for part numbers). The replacement definitely resolved the vibration problem, and is tracking true without doing wheel alignment.

Old 12-25-14, 12:06 PM
  #7  
Tom57
Pole Position
 
Tom57's Avatar
 
Join Date: Mar 2008
Location: Illinois
Posts: 2,146
Received 67 Likes on 63 Posts
Default

Originally Posted by Lavrishevo
Great. Thanks. I may do this now myself. Save $200. I have two LBJ's waiting to be installed. When I visited the dealer two days ago I spoke to the shop foreman and he swore up and down that the little pop I hear intermittently is not the ball joints and that they hardly ever fail on the 430. Anyway, mine does not have play at the 12 and 6 test. I think I'm still going to replace them anyway.

Did you buy OEM or aftermarket? How about alignment? How does she feel now?

Glad you're reconsidering DIY on this. Failing ball joints start with a popping or snapping sound when turning the steering wheel. Is the boot on your ball joint broken (would lead to drying out and premature wear of the joint)? Just one bad pothole can damage the ball and eventually lead to a problem. This is what I experienced and replacing the lower ball joints with OEM solved it. No wheel alignment needed either.
Old 12-25-14, 01:45 PM
  #8  
KING
Lexus Test Driver

iTrader: (1)
 
KING's Avatar
 
Join Date: May 2011
Location: OR
Posts: 1,330
Received 9 Likes on 9 Posts
Default

Excellent write up that should go straight into the books.
Might need it in the future.
Old 12-26-14, 05:42 AM
  #9  
LiCelsior
Retired

iTrader: (32)
 
LiCelsior's Avatar
 
Join Date: May 2007
Location: NY
Posts: 12,362
Received 17 Likes on 15 Posts
Default

such a easy part to replace that is easily overlooked. definitely a wear and tear item that needs to be inspected or else this may happen. Pretty common failure on the 2GS, so better safe then sorry.

Name:  lexus002.jpg
Views: 11194
Size:  56.2 KB
Old 12-26-14, 08:10 AM
  #10  
rkw77080
Lexus Champion
Thread Starter
 
rkw77080's Avatar
 
Join Date: Mar 2011
Location: Texas
Posts: 2,186
Received 675 Likes on 462 Posts
Default

Originally Posted by LiCelsior
such a easy part to replace that is easily overlooked. definitely a wear and tear item that needs to be inspected or else this may happen. Pretty common failure on the 2GS, so better safe then sorry.
Agreed, 100%


Originally Posted by Tom57
It's common for the passenger-side ball joint to fail independent of the driver's side, due to the condition of streets and roads. The right (passenger) side of streets and roads have more cracks, dips, bumps, potholes, etc., so that side of the suspension gets more wear and tear. I replaced both lower ball joints, and noticed the passenger side ball was more worn than the driver's side.
Tom57 is right! I did a quick search online and it seems that more lower ball joint failures occurred on the passenger side.

Old 12-26-14, 11:59 AM
  #11  
tiger02
Driver School Candidate
 
tiger02's Avatar
 
Join Date: Jul 2014
Location: WA
Posts: 23
Received 3 Likes on 3 Posts
Default

Thanks for the write up with pics and torque figures. Will be a big help to me.

My driver's side lower ball joint is clicking and I will change it out soon. Still good on the 12 and 6 clock position check, but the clicking is the early indicator. This happens mostly at slow speeds with fore and aft momentum shifts. I cal also hear it click at times just putting my weight into the drivers seat..

2nd Gen GS folks have a lot of issues with the ball joints as the above posts point to. The assemblies of both the LS and GS are similar, but not inter-changeable as far as I can tell. Moog does make an after market ball joint for the GS, but not the LS.

Thanks again for the write up.
Old 12-26-14, 04:38 PM
  #12  
Lavrishevo
Lexus Fanatic
iTrader: (1)
 
Lavrishevo's Avatar
 
Join Date: Jan 2012
Location: NJ
Posts: 5,176
Received 308 Likes on 228 Posts
Default

Did you have to remove the calipers on this job? I have everything and I am tackling it tomorrow morning.
Old 12-26-14, 05:01 PM
  #13  
rkw77080
Lexus Champion
Thread Starter
 
rkw77080's Avatar
 
Join Date: Mar 2011
Location: Texas
Posts: 2,186
Received 675 Likes on 462 Posts
Default

Originally Posted by Lavrishevo
Did you have to remove the calipers on this job? I have everything and I am tackling it tomorrow morning.
No, after you remove the 2 mounting bolts from below, the aluminum steering knuckle can simply be lifted up and away. The upper ball joint will allow you to swing the whole assembly (including the brake caliper and disc) out of the way. Here's a picture showing the steering knuckle separated from the lower ball joint.


Last edited by rkw77080; 12-26-14 at 05:07 PM.
Old 12-26-14, 05:20 PM
  #14  
Lavrishevo
Lexus Fanatic
iTrader: (1)
 
Lavrishevo's Avatar
 
Join Date: Jan 2012
Location: NJ
Posts: 5,176
Received 308 Likes on 228 Posts
Default

Great. Thanks. Should not be any different with my air suspension I hope.
Old 12-26-14, 05:37 PM
  #15  
Tom57
Pole Position
 
Tom57's Avatar
 
Join Date: Mar 2008
Location: Illinois
Posts: 2,146
Received 67 Likes on 63 Posts
Default

Lower ball joint is totally independent of the shocks / suspension.


Quick Reply: DIY - LCA Ball Joint Replacement



All times are GMT -7. The time now is 01:39 PM.