With another winter receding into the past, you'll soon need to start using your car's air conditioner again. If you live in one of the warmer parts of the country, temperatures may already be high enough to roll up your windows and enjoy the cool comforts of the air conditioner. Of course, it's frustrating when the only thing that greets you from your vents is warm, stale air. There are plenty of potential causes for an AC system that refuses to keep your car cool, but a failed pressure switch is a relatively common (and inexpensive!

Vehicle downtime can lead to massive losses, especially for a commercial vehicle on a delivery schedule. Though a truck will, in most cases, break down due to the failure of a significant component such as the engine, minor issues can also bring trouble. For instance, a faulty air conditioning system can make driving difficult and uncomfortable.  For that reason, it is advisable to have a preventive maintenance program for the air conditioning system to keep your fleet on the road as scheduled.