1992 MAZDA 929 Engine And Engine Coolingengine Problems

ON THE ABOVE MENTIONED DATES I ENCOUNTERED MECHINICAL PROBLEMS WHICH CONSISTED OF MY COOLING SYSTEM. I REPLACED THE WATER PUMP, THERMOST, RADIATOR, AND TIMING BELT. SIX MONTHS LATER MY HEATER AND DEFOGGER WAS WORKING IMPROPERLY. AT THE TIME I HAD NO IDEA IT WAS RELATED TO THE FIRST PROBLEM I ENCOUNTERED AND I COULDN'T AFFORD TO TAKE IT IN AT THE TIME. SO I ONLY DROVE THE CAR WHEN THE TEMPERATURE WAS AT LEAST 45 DEGREES OR HIGHER. AFTER I FINALLY PAID OFF MY CAR I WAS FINACIALLY ABLE TO TAKE IT IN AND HAD THE HEATER PROBLEM CHECKED OUT. I WAS TOLD BY COVINGTON PIKE MAZDA MR. SOMMERS , THAT THEY WERE INFORMED BY MAZDA MANUFACTURER IN 1995 THAT THESE CARS HAD A DEFECT IN THE ENGINE BLOCK THAT RESTICTED THE FLOW OF THE COOLIANT, WHICH AFFECTED THE HEATER/DEFROST/COOLING SYSTEM, AND THE ONLY REMEDY WAS TO BUY A NEW...