Nissan 370Z Forum - Why does my brake pedal rise up when I turn off the car?

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2011 Nismo#91

04-18-2019 05:53 AM

Why does my brake pedal rise up when I turn off the car?

After doing a CZP Silicone Master Hose Kit install my car has recently started lifting the brake pedal (with considerable force) almost immediately after I turn it off. Why? Could this be a vacuum leak in the booster? The brakes work perfectly while the car is running.

JARblue

04-18-2019 07:47 AM

You moved the internal check valve from the old brake booster hose to the new one, right?

2011 Nismo#91

04-18-2019 08:03 AM

Not sure, I had to have it done at a local but good shop, didn't have time to do it myself. I'll check with them, thanks for the reply.

cavemancan

04-18-2019 12:53 PM

Maybe air in the lines?

2011 Nismo#91

04-18-2019 06:30 PM

Quote:

Originally Posted by JARblue (Post 3844659)

You moved the internal check valve from the old brake booster hose to the new one, right?

Yes that was the issue, I can't seem to find a replacement anywhere online so fire now I have a little bit of a S14 in my Z34.

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