that is ot how you test for a cooling fan problem and you should take it to your mechanic so you dont chop off any fingers. Those fans are on a special switch that comes on when the engine reaches a specific temprature. Paul, 38 years ago there was only one fan. Now, a lot of cars actually have two fans.
2) Propane contains an odorant similar to what's put into natural gas. If combustion is not complete, or there are any leaks, then this odorant produces a smell. In addition, in larger tanks typically there is a large tablet of solid odorant sitting in the bottom of the tank.
Q: Coolant and smoke smell in vents. I was driving, and it smelled like coolant and heavy smoke was coming through the vents. A: Hello! It sounds as if your vehicle may hav... Hello! It sounds as if your vehicle may have burst a coolant line, and/or overheated. I suggest pressure testing the cooling system to help identify the leak.