Mitsubishi Repair: 2000 Diamante - no heat, themostat, hard job

Question
All air controls work fine, a/c works, anti-freeze full and no heater core leaks, fuse good, just will not heat up the air. cold weather coming!

Answer
Dave: You need to get a repair manual for your car. Can get one at any parts store for around $20.00. But your problem is that your "themostat" is out. So you will need to replace that, either by yourself or take the car to a shop. Though it is not a very hard job. But you will need tools, that manual and the time. Hope this helps and good luck!