Thanks all for your candid help. I got the caliper serviced in a local garage and this took away the problem. The calipre cylinders were not returning once brake was activated. Cylinders are free now, just have to replace the pads. Thanks a million times for the inputs made.

Please if anyone has any information to my problem kindly help.
There are no good mechanics here where I stay in Nigeria.

Friends I need help. I have an xc90 T6 AWD volvo. I have observed that the rear brakes engages all the time. I went to a local garage and the pad on the rear driver side was taken out. Then, tested the brake function to ensure that the brake fliud return was ok and that the caliper responds as requi...