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 ...
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Two quick tips to check your AC compressor
In this video, I demonstrate how to test an AC compressor to determine if it is faulty. The two featured tests are quick and ...
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