Clicking/Knocking Sound From the Brake Actuator on Lexus LS460

A clicking or knocking type sound may be noted from the brake actuator when applying the brakes lightly, or if the brake pedal is pressed while the vehicle is stopped. Our technicians tell us a revised brake actuator is available to correct this concern.

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Average mileage: 63,205 (11,600–151,000)
6 model years affected: 2007, 2008, 2009, 2010, more2012, 2013
73 people reported this problem
39 people shared problem details
A knocking sound is heard from the brake control module/brake actuator when applying brakes, or if the pedal is pressed while the car is stopped. I have been told there was a service bulliten issued 12-2009. Unfortunately may vehicle is out of warranty and currently attempting to get Lexus to do whats right. I have been told the cost of the new revised actuator is approximately $3000.00
2007 Lexus LS46055,500
Clicking and knocking at a hard stop, actuator or solonoid was first dx, now they say it is a $2300 fix! I took it in before the warranty expired and got a clean report, now 10000 miles later this problem. I thought these were dependable cars. My LS 430 was at 106000 WHEN i TRADED IT IN AND NEVER HAD the first problem.
2007 Lexus LS46043,800
acuater noise
2008 Lexus LS46033,757
Clicking / knocking sound when brakes are lightly applied. Has not been diagnosed by dealer yet.
2007 Lexus LS46015,000
Clicking/Knocking Sound when hitting the Brake
2008 Lexus LS46020,000
Not resolved
2008 Lexus LS46065,000
Dealer said normal. Still have same sound when brakes applied .
2008 Lexus LS46050,000
Same here... But haven't taken it in for fear of what they might do to it. Also have the vibration problem. Only started when I switched tires from the Perelli's to the Michelin's.
2010 Lexus LS46021,000
the pedal feels like i have 120,000 miles on the front rotors the car is driven on the highway most of the time i am shocked, my BMW first set of pads was at 75K, my GL Mercedes at 60K, how can this be?
2008 Lexus LS46036,300
Actuator replaced. Noticed the beginning of the problem at 13,000 miles and told it was normal. Now at 40,000 miles starting to hear noise again when braking. In to dealership now.
had problem since purchased tap has developed to a knock when engine hot And in drive.. Lexus says it's normal. worse when you are in enclosed places garage etc
Car accelerates when I press the Brake pedal slightly. Cruise control does not cut off when Brake applied lightly to slow for aproaching vehicle. The Car is now in the shop but they believe it is the brake actuator
2007 Lexus LS46080,000
It just makes a clicking noise when brake pedal is depressed hard. I have not fixed it seems not to be a problem
2008 Lexus LS46011,600
Car making noise when braking
2008 Lexus LS46067,000
Brake actuator knocking under light braking, needed to be replaced
2007 Lexus LS460151,000
Warning light on screen. No warning the dealer would charge $4,000
I have the same problem after a year of buying the car from a lexus dealer. ABS Actuator.
2012 Lexus LS46028,000
knocking sound when applying barkes on 2012 lexus 460 ls 28,000 miles
2008 Lexus LS46050,000
Took it in w 17k miles and dealership said it was normal. Still having problems with 50k. Just put new brake pads and rotors on vehicle.
2008 Lexus LS46080,000
clicking sound when brake pedal is pressed.
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