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Hybrid Technology Unique topics related to the 2016 up RX450h model hybrid drivetrain and other features/options found only on the RX450h. Please use the main forum for discussion about shared components with other fourth generation RX models.

RX 450h brake groans when almost released…

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Old Apr 16, 2024 | 12:24 PM
  #16  
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703
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Originally Posted by hojo1254
Hey 703: Why were you interested in WHERE the RX 450h was assembled?
Thanks,
hojo1254.
the actuator issue only applies to US, Mexico and Canada market cars as they shared the common suppliers.
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Old Apr 16, 2024 | 02:25 PM
  #17  
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Thanks for the reply, 703. Now I understand why you asked.
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Old Jul 19, 2024 | 09:55 AM
  #18  
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Originally Posted by hojo1254
My wife's 2022 RX450h has just developed same noise @ 20,000 miles.

Scheduled for 0800 appointment at dealer (SoCal).on Monday, April 15th, 2024.

No sure which will be a bigger $number...???: The Lexus or my 1040 tax return. LOL.
Hello, would you be able to provide a video of that noise? I am just wondering if mine makes the same noise as well.
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Old Jul 19, 2024 | 04:25 PM
  #19  
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My daughter took her 2018 RX450H in after I showed her the TSB. Dealer fixed it no questions asked. I think the issue is just finding the right dealer.
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Old Jul 19, 2024 | 09:06 PM
  #20  
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Hello, Huezzy: Not sure a 'video' would be helpful. However, I can tell you I could replicate the feint click problem which was heard when just touching the brake pedal. Maybe 1-2 lbs. of light foot pressure. "Click" sound from under the hood.. Remove foot and then repeat light (very light) foot pressure and another 'click.'

Yes, dealer replaced actuator without ANY pushback.

However, my wife still thought see had the issue. Took 2022 RX 450h back to dealer after actuator r & r. They bleed the brakes (again).

No problems since.

Lexus picked up the entire $ tab. My only "cost" was second trip to dealer for the 2nd bleed.





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