2005 Lexus GX 470 Repair Question
Topics covered: Floor, Brake fluid, Brake fluid leak.
Mileage: No information provided.
Mileage: No information provided.
Asked on June 21, 2010
2005 Lexus GX 470 Brake Pedal
Brakes problem
2005 Lexus GX 470 V8 Four Wheel Drive Automatic
When the vehicle is stopped and the foot is on then brake pedal, the pedal keeps going to floorboard. The concern is will the vehicle stay stopped if pedal sinks to floor board????.
2005 Lexus GX 470 V8 Four Wheel Drive Automatic
When the vehicle is stopped and the foot is on then brake pedal, the pedal keeps going to floorboard. The concern is will the vehicle stay stopped if pedal sinks to floor board????.
Asked by EdwardJG1Answer
Replied on June 21, 2010
Hi there,
If you have no brake fluid leaks, this will be a faulty brake master cylinder, what it is doing is it is by-passing fluid past the primary cup seal and allowing the pedal to drop, normally if you hold heavy brake pressure it will not drop as quickly as light pedal pressure.
Mark (mhpautos)
