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Hi!I had manage to make some tests with my brakes and i notice that when the pressure builds up if i open either one of the two lines that goes from the master cylinder to the abs pump the pressure drops.
Is it safe to say that the master cylinder is the cause of this problem?
Regarding the booster i did not had time to check it but if it was any problem with it i wouldn’t have a hard brake pedal all the time?
If i press the brake several times with the engine stop until gets hard,when i start the engine the pedal goes down and this mean that the booster is ok right?
I will try to check the valve this weekend to see if it make any difference regarding the pressure in the brakes.Hi!Yes the trapped pressure is still the issue.The problem is that i have to drive for 10-15 minutes in order to get the wheel block.That means i have to make the pressure test on the road.
I will try to press the brake pedal many times while standing in my garage until the wheel get stuck so that i can check the pressure without driving so much.
I also notice that first the front left wheel get stuck and if i continue driving all the other wheels get stuck as well and the brake pedal get’s hard.
I will keep you posted if i somehow i manage to fix this annoying problem.Thank’s again for your tips!
Hi!I had change the caliper,brake pads and brake hose.After driving 20-30 km the front left caliper get stuck again but only for 5 minute then without any intervention from me it get loose and i could drive with no other problem.
Could it be the abs pump or the metallic pipe between abs pump and the brake hose that create this pressure in the caliper?
I assume that if the brake pump have had any problem then it would affect all four wheels right?Hi Bonnieman!Thank you for the reply.I don’t have any ABS or Traction Control lights on.I have order new caliper and new brake pads.My car have 260000 km so i think that brake hose could also be damaged.I will see if problem persist after i change the caliper.I have notice also that if the caliper is stuck and i stop the car,after one two hours the pressure inside the caliper goes off .
Hi roger6632!I had a landrover freelander with the same problem like you have and after i change the starter the car was alive again ;).I thing it was only the solenoid that was broken but i had put a new starter just to be sure. You can also check the cables that goes to the starter for bad connections.