LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H
View Poll Results: Brake Actuator Failure / Fluid Change Status
Actuator HAS Failed : NEVER Changed Brake Fluid
11
13.41%
Actuator HAS Failed : HAD Changed Brake Fluid Beforehand
8
9.76%
Actuator HAS Failed : UNSURE on Fluid Change Status
15
18.29%
Actuator HAS NOT Failed : NEVER Changed Brake Fluid
14
17.07%
Actuator HAS NOT Failed : HAD Changed Brake Fluid
20
24.39%
Actuator HAS NOT Failed : UNSURE on Fluid Change Status
14
17.07%
Voters: 82. You may not vote on this poll

POLL: Brake Actuator Failure > All Please Respond

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Old 06-19-19, 10:26 AM
  #1  
icon901
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Default POLL: Brake Actuator Failure > All 2007-12 Owners Please Respond

I don't see where this has been done but I'm curious to get a snapshot of failure rate in 2007-2012 LS460’s, and possible ties to brake fluid changes or lack thereof.

APPLIES TO 2007-2012 MODELS

It would be helpful for everyone to at least answer the poll ABOVE whether your actuator has failed or not.
More data points = improved accuracy.

If you like to post more details below, I encourage that in this format:

Year of LS460:
Current Mileage of LS460:
Year/Mileage of Fluid flush/change: (estimate if unsure of year, "haven't changed" if you're still on stock fluid, Reply "Don't know" if you're unsure on service history)
Year/Mileage of Actuator Failure: (estimate, or "Hasn't failed" if it's not been replaced).

I am curious to see what the actual rate of failure is, and if there is any correlation to brake fluid service being performed or not. We face a challenge of small sample size... so in reality we need as many responses as possible to have any real idea of trends. Hopefully we can get good participation.

Thanks!

Last edited by icon901; 06-20-19 at 01:19 PM. Reason: Adding applicable years
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SupraTurbo (09-30-19)
Old 06-19-19, 10:29 AM
  #2  
icon901
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Year of LS460: 2008
Mileage of LS460:112,000
Year/Mileage of Fluid flush/change: 2015 / 88,000 Miles - Fluid Flush by Dealer
Year of Actuator Failure: Hasn't Failed
Old 06-19-19, 10:37 AM
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fwhomeboy
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2008 LS460L 127K
NO failure noted.
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Old 06-19-19, 10:45 AM
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icon901
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Originally Posted by fwhomeboy
2008 LS460L 127K
NO failure noted.
Did you or the previous owner change brake fluid?

Also... PLEASE check a box in the poll.
Old 06-19-19, 11:22 AM
  #5  
lexier
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Year of LS460: 2008
Mileage of LS460: 98,000 miles
Year of Actuator Failure: 2014
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Old 06-19-19, 12:19 PM
  #6  
nickderosa
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Year of LS460: 2007
Mileage of LS460: 125,000
Year/Mileage of Fluid flush/change: Fluid not changed or flushed prior to failure
Year of Actuator Failure: 2012, at 58,448 miles

Last edited by nickderosa; 06-19-19 at 12:23 PM.
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Old 06-19-19, 12:48 PM
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ALK
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Year of LS460: 2007
Mileage of LS460: 220,000 miles
Year/Mileage of Fluid flush/change: 210,000 fluid change on Feb 2019. Changed it by my self.
Year of Actuator Failure: no failure.
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Old 06-19-19, 01:52 PM
  #8  
RussLS460
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Year of LS460: 2011
Current Mileage of LS460: 105K
Year/Mileage of Fluid flush/change: Every 30K
Year/Mileage of Actuator Failure: No Failure
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Old 06-19-19, 02:17 PM
  #9  
jkittlesen
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Year of LS460: 2012
Current Mileage of LS460: 72000
Year/Mileage of Fluid flush/change: 30000

No fail
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Old 06-19-19, 02:33 PM
  #10  
Outofspec
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Year of LS460: 2007
Current Mileage of LS460: 87000
Year/Mileage of Fluid flush: December 2018 / 82000
Year/Mileage of Actuator Failure: Original Actuator Has Not Failed

Thanks to the OP for this interesting post.
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Old 06-19-19, 03:46 PM
  #11  
stasek
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Year of LS460: 2008
Current Mileage of LS460: 130K
Year/Mileage of Fluid flush/change: NEVER, as far as I know
Year/Mileage of Actuator Failure: No failure (knock on wood).
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Old 06-19-19, 04:35 PM
  #12  
mambo619
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Year of LS460: 2010
Current Mileage of LS460: 105,000
Year/Mileage of Fluid flush/change: unknown
Year/Mileage of Actuator Failure: has not failed, But im starting to hear things. and get worried

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Old 06-19-19, 04:47 PM
  #13  
tofuprod
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Year of LS460: 2013
Current Mileage of LS460: 60K
Year/Mileage of Fluid flush/change: NEVER, as far as I know
Year/Mileage of Actuator Failure: No failure (knock on wood).
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Old 06-19-19, 04:51 PM
  #14  
Cubbylex
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Year of LS460: 2010
Current Mileage of LS460: 72,600
Year/Mileage of Fluid flush/change: unsure if changed fluid. When I bought it went through Lexus inspection.
Year/Mileage of Actuator Failure: has not failed (knock on wood)
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Old 06-19-19, 05:10 PM
  #15  
DJWLDW
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Year of LS : 2010
Current Mileage: 82,238
Year/Mileage of flush/change: 24/7/14 (29,730), 17/05/17 (64,408) Both flushes
Year/Mileage of Actuator Failure: Has not failed

Dennis
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