1992 dodge van 500b v8

HELLO, MY NAME IS ANTHONY GARCIA I AM WRITTING TO YOU WITHA QUESTION. MY MOTHER HAS A 1992 DODGE VAN AND IT HAS BEEN GIVING HER PROBLEMS. FOR EXAMPLE, ONE ISSUE IS THAT WHEN EVER BRAKING THE VAN TEND TO SHAKE AND TREMBLE. ALSO THE CAR FEELS AS IF IT GOING TO OVERHEAT, BECAUSE THE TEMPERATURE GAGE STARTS TO MOVE TOWARDS THE HIGH TEMPERATURE SIDE. i ALSO WANT TO KNOW IF IT SOMETHING EXPESIVE TO GET FIXED? I WOULD LIKE TO GET MY MOTHERS CAR FIXED BECAUSE IT IS HER ON TRANSPORTAION METHOD.