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.
There are many reasons a pilot light can go out on a propane heater, but when the flame is extinguished, gas is escaping into the air and if it accumulates it could cause a dangerous situation. Luckily, the propane gas additive will alert you with a gassy odor. If the pilot light goes out often, call the appliance service technician.