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Brake Pedals?

Tiny
LU1SG0NZAL3Z
  • MEMBER
  • 2002 HONDA ACCORD
  • 2.3L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 199,372 MILES
My Cars brake pedal gets soft as I start driving, but later on like in 10 minutes later the car's brake pedal gets hard and stiff and for me to fix that I need to turn off and on my car again for the pedal to be soft.
Wednesday, October 26th, 2022 AT 6:32 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Hi,

What you described sounds related to either the vacuum brake booster or the check valve. The booster provides assistance when braking (makes it easier to push the pedal). The booster is actuated by the engine vacuum. If there is a leak, the pedal will get hard to press.

Do me a favor. I attached diagnostics below that require no tools. Perform the tests and let me know the results.

Let me know if you have questions or if I can help.

Take care,

Joe

See pics below.
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Wednesday, October 26th, 2022 AT 8:28 PM

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