Air conditioners are now standard equipment in almost every vehicle on the road. They provide a cooler and more comfortable driving experience, even in the summer heat, and clear the windshield, side ...

In '80, Pontiac introduced the new R4 A/C compressor to some of its Trans Ams and Firebirds. Weighing in at nearly half the mass of the long-in-the-tooth A6 compressor, the R4 continued in the F-body ...