GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

anyone replace their brake master cylinder yet?

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Old 03-05-18, 12:33 AM
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Brabusx2
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Default anyone replace their brake master cylinder yet?

as title say, anyone need to get theirs replace yet?

i drives a Hybrid maybe it does use a different type of master cylinder, but everytime i step on the brake pedal i don't have great brake feeling, i think after 11 years the pressure starting to go bad..

https://www.lexuspartsnow.com/parts/...201-30770.html
should i go OEM for $315? or 3rd party work just as well?
Old 03-05-18, 01:13 AM
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ibidu1
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Changing the MC if the old one is working properly will not help in brake feel. Have you done a complete fluid flush of the whole system?

If not here is a how to
Old 03-05-18, 03:32 AM
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Lukas99GS
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My 460 also doesn't have great pedal feel even though I've flushed the fluid and have new pads rotors and calipers are all good. I've heard that it's the brake actuator that goes bad for us not the master cylinder but the master cylinder is much cheaper to replace.
Old 03-05-18, 09:06 AM
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TRD_Power
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Originally Posted by Lukas99GS
My 460 also doesn't have great pedal feel even though I've flushed the fluid and have new pads rotors and calipers are all good. I've heard that it's the brake actuator that goes bad for us not the master cylinder but the master cylinder is much cheaper to replace.
+1... Feels like I'm stopping an aircraft carrier, even though I just had new pads all around, new front rotors, and a fluid flush done. Might be time to give good old StopTech a call.
Old 03-05-18, 03:25 PM
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MX73
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I need to change mine soon. I've done a brake flush already but the new fluid is already turning black. Probably why I'm getting a mushy brake feel.
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