I'm from vegas. 2012 armada with 87000. it's over 100' last few dmy hood i feel it is extremely hot air comes out but my dash gauge is under half way. another mystery is my rad. cap was ays. when i open leak so i put new one from auto zone but i saw few drop again. is this means something wrong? Please help me what should i do. i did battery check, new alternator, Clean radiator. Thanks