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

brake pedal so stiff, difficult to start

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Old 08-16-12, 09:21 AM
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imadesign
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Default brake pedal so stiff, difficult to start

lately, noticed that when i leave the car for couple of days and come to start it, the brake is too tight that cant be depressed at all, thene by force would start and every thing goes to normal. this is not happening unless i dont start it for at least 24hrs..
does this happen to anybody of you? and what do you think this would be,,
thank you guys
Old 08-16-12, 10:20 AM
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Boron
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When was the car last serviced and more importantly, the brake fluid changed (should be every 18-24 months)?
If that's not the issue, then could be caliper seals.
You should get the brake calipers looked over.
Old 08-16-12, 10:58 AM
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alchemist
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does it do this at all while applying brake during vehicle operation? If so, it could be a bad master cylinder.
Old 08-16-12, 01:17 PM
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imadesign
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brake oil was changed last year by dealer(im not sure if they realy changed it)
this is happening only once you want to start it, no unusal thing happening during vehicle operation.
i will check caliper seals
Old 08-16-12, 02:58 PM
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alchemist
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Originally Posted by imadesign
brake oil was changed last year by dealer(im not sure if they realy changed it)
this is happening only once you want to start it, no unusal thing happening during vehicle operation.
i will check caliper seals
Also check the brake booster
Old 08-16-12, 10:42 PM
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XxGoKoUxX
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Originally Posted by alchemist
Also check the brake booster
My bet's on this, had this happen on my Acura Legend.... replaced brake booster by myself and the problem went 100% away.
Old 08-16-12, 11:03 PM
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Amalan
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This may be weird, but when was the last time you changed your battery? This was happening to me when my battery was going bad. I would leave your car on a trickle charger for a few days without starting it and see if the problem still exists.
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