Hi all.
I have a G registered (1990) Mini fitted with calipers at the front and servo assisted as standard on this model. I have just replaced both front calipers and pads (brand new), along with all flexy's and most of the pipe work. (Under the bonnet not changed - but good) Rear pads adjusted. And a new brake master cylinder also fitted. All parts from a reputable Mini dealership in the UK.
Prior to the work the brakes had a very good biting point - but had to change as one caliper was badly sticking and some pipes corroded.
The issue I have is that: The brakes have been bled and no air appears. But when driving the rear brakes have a much greater efficiency than the front; however when I pump the brake pedal a few times immediately before applying the brakes the fronts work as they should and the whole brake system appears as it should with the car stopping nicely and in a straight line. The brakes revert to their rear wheel first version after a few minutes when brake pedal released.
There still appears to be some air in the system, but despite further bleeding I cannot seem to remove it - the brakes have been bled using the two person method as well as Gunsons single bleed system. Whole system visually checked, I cannot see any leaks, and the brake fluid level is not going down in the master cylinder reservoir.
Has anyone got any ideas.
Edited by oldmanmini, 10 June 2020 - 03:35 PM.