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MG MGB Technical - Brake Pressure Switch

I have bled my brakes twice now and the pedal is 'almost there'. I realized after bleeding the brakes that I never loosened the brake pressure failure switch (the brakes are firm at first).

I went through the archives and found a few comments about loosening the pressure switch (Brake Bleeding 1998). Can I loosen the brake pressure switch without needing to re-bleed the brakes? Or should I hold the brake pedal down while I crack the pressure switch?


Zach Dorsch

If the seals are good, no fluid will leak out of the switch when it is loosened. I'm not sure how opening it will help you bleed the brakes.
Jeff Schlemmer

This thread was discussed on 13/05/2005

MG MGB Technical index

This thread is from the archive. The Live MG MGB Technical BBS is active now.