Vehicle air conditioning is typically one of a car's most durable systems. Though it is often in use every day, a modern air conditioning system just keeps humming along providing cool air when you ...

View post: Amazon's 'Reliable' 43-Piece Ratchet Screwdriver Set That's Good for ‘Beginners and Experienced Users' Is 35% Off Autoblog may receive a share from purchases made via links on this page.

Fittings such as these, for connecting a compressed air line to the spark plug hole for valve support, are available at most auto parts stores. Occasionally it is necessary or desirable to inspect or ...