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Some Possible Causes for Soft Brake Pedal
In my experience here is what can cause a soft brake pedal:
1. The obvious - brakes need to be bled.
2. First try normal bleeding procedure, if that doesnt help use recommended ABS bleeding procedure (varies by model)
3. rotors or drums look good but really arent good. (i worked on a ford escort at work that had this problem and a shopful of mechanics couldnt figure it out. Even though they were worn some, the rotors looked good- but out of desperation i changed em. The car had a solid-feeling pedal after that). turn or better yet, replace drums/ rotors.
4. Improperly finished/turned drums or rotors. Replace with new. (they're cheap nowadays - i paid $30 each for my last rotors a few months ago - they work just fine too.)
5. Leaking (or otherwise bad) master cylinder.
6. IMO the brake pads, no matter what material used, would be unlikely to cause a soft pedal unless they are worn irregularly, defective (the part of the pads that touches the rotor was not finished properly), worn out or oil- or brake-fluid soaked.
Last edited by marc780; 08-25-2007 at 03:24 PM.
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