BRAKE FLUID LEAK AT FIREWALL

2000 Ford F-250

Tiny

S&B

October, 31, 2010 AT 11:17 AM

Brakes problem
2000 Ford F-250 V8 Two Wheel Drive Automatic 140K miles

I have a minor brake fluid leak at the interior side of the firewall were the brake actuator rod enters the master cylinder assembly.

Is that most likely the hydraulic booster seal?

Should I replace the master cylinder as well as the booster?

1 Answer

Tiny

merlin2021

October, 31, 2010 AT 11:29 AM

If the booster is sucking brake fluid from the master, replace both. Rear seal of the master is damaged as well as the diaphram of the booster.

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Bleed and Flush Your Brake System Correctly