Heater blows air for abit then stops but can still

Hello. I can assist you. The component that is failing you is the heater relay. You can change this yourself. Look in the manual for the fuse panel and in that diagram you will see the relay. Pull out the old one and replace it with a new one that is exactly the same, available at most any auto parts shop.

The A/C lines, frosting over is normal. The more moisture in the air the more frost. Back to the fan, there is only one fan inside the cab. So if the fan quits then the other sound is something else. Take another look at the problem and try to give me more info. Typically the problem would have something to do with the speed controler, speed control switch or a fault in the wiring.