- Air in lines
- Master cylinder
My e350 based rv has both front and rear abs. The abs light comes on a about
> 1 minute after starting up. The brake pedal feels spongy and will go to the
> bottom. I have removed the ABS fuse and the light comes on. Fluid ok, shoes,
> pads, rotors, etc ok. Any help appreciated troubleshooting.
> Steve
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