brake pedal goes to the floor and van does not stop after replacing master cylinder and bleeding system.

Asked by May 15, 2017 at 02:53 PM about the 2009 Toyota Sienna LE

Question type: Maintenance & Repair

pedal was soft and would go to the floor unless it was pumped. After replacing master cylinder and bleeding the brake lines, pedal goes to the floor and brakes are not applied.

2 Answers

79,835

Was the master cylinder bench bled? I think you probably still have air in the system.

I did bench bleed the master cylinder. I thought that while installing master cylinder it might have got a little air in the system so I unhooked the brake lines and re-bled the master cylinder and re-bled the brake lines.

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