Hard Brake Pedal (no vacuum) after a couple of days?
#1
Pole Position
Thread Starter
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I know if I press and depress the brake pedal several times (releasing vacuum?) while the engine is not running, the brake pedal will become hard. And I assume if I park a car for long time, the vacuum will be gone and the brake pedal will become hard as well. I can park my other vehicles for a week and do not experience the hard brake pedal. But, if I don't drive my 2017 RX 350 for 3 days, the brake pedal will be hard. Is that normal?
#4
Pole Position
#5
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Yes! So far, I have a leaking sunroof (fixed), rattle front doors, some excessive noise and vibration, rough shift on certain conditions, and now brake line leaking. Basically anything posted here, I would have them
Definitely not the experience I expected from Lexus.
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#6
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Just hard to imagine how your vehicle could have so many problems and both of my 450h units have been without flaw. Only thin extra I told them at service was 5 blinks instead of three and kill the S-Flow cr^p.
Last edited by ggebhardt; 10-10-17 at 01:56 AM.
#7
Lexus Test Driver
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Both of yours is a tiny sample size in the grand scheme of things. 500 could be great and one could be a lemon - happens all the time.
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#8
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BTW, as I said in another thread, I am fine with the S-Flow feature
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#9
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I know if I press and depress the brake pedal several times (releasing vacuum?) while the engine is not running, the brake pedal will become hard. And I assume if I park a car for long time, the vacuum will be gone and the brake pedal will become hard as well. I can park my other vehicles for a week and do not experience the hard brake pedal. But, if I don't drive my 2017 RX 350 for 3 days, the brake pedal will be hard. Is that normal?
#10
Lead Lap
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I also get a hard brake pedal if I don't drive my RX350 for two-three days. But it starts right away and the brake pedal goes back to normal so it's no big deal to me. I don't get any error codes however.
#11
Pole Position
Thread Starter
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Same here. I am just afraid there is a leak and it may become worse.
#13
Lexus Test Driver
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I think this is normal - I experience this on my other car but not the RX yet.
#14
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Thread Starter
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Well, did my 5k miles service today. I was told the brake is normal. The service advisor even brought up the error code thing himself.
They did fix the rattle problem without even opening the door panel.
They did fix the rattle problem without even opening the door panel.
#15
Racer
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My two month old RX sits in the garage for 2-3 days or so and yes, it has a hard pedal until it starts. I doubt this is a problem, but then again this is my first "keyless" car, so I never had to step on the brake to start it.