Just a freindly word of caution for you Suburban & Tahoe owners, particularly 01-05 models. Mine is an 02 Z71 Suburban with 5.3L. If your truck is getting up there in mileage you may want to consider replacing the fan clutch. I just had to drop serious money to have my A/C compressor and several other a/c parts replaced. The problem: compressor belt & tension pully making a chirping/squealing noise for only a few seconds when accelerating. A/C still working perfectly fine & cold. The cause: compressor failing due to high head prssure at idle, which was caused by a bad(or weakening) engine cooling fan clutch. Solution: Replace compressor, accumulator, orifice, expansion valve, ac belt, serpentine belt & thermal fan clutch, flush metal particles out of entire ac system, and recharge.
All this could have been avoided by swapping out the fan clutch at least by 150k miles.
All this could have been avoided by swapping out the fan clutch at least by 150k miles.