No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...

Ars gearheads - got an opinion on A/C sealant?<BR><BR>My girlfriend's car has a slow leak in the A/C system somewhere. It lasts about 10 days between charges. Our mechanic believes the leak is in a ...