Having compressed air available in a workshop can be extremely useful. Having a compressor isn’t such a pleasure though, because unless it’s a very expensive model, it will be one of the noisier ...

Q. I have a 2013 Subaru XV Crosstrek with 154,000 miles on it. The air conditioner compressor has recently been making a loud noise on and off. I also haven’t had working air conditioning in a little ...