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AdrianR 07-09-2009, 09:34 PM Guys Anyone have the correct size (or GM part #) for the AC Compressor drive belt on an '85 Suburban - 6.2 diesel. Tx 4320Diesel 07-09-2009, 10:00 PM cant you have the old one measured? i dont have a A/C truck or id get the number AdrianR 07-09-2009, 10:08 PM The original belt has gone - that's why I need to know the size for a replacement. Anyone? 4320Diesel 07-09-2009, 10:12 PM use a pice of rope that will fit in the bottom of the grooves while the tension is in the middle of the ajuster slot then pull the rope tight and then mark its length and take it to a belt place and have them measure it and theylle get you the proper belt. it worked on my sprayer when the drive belt got melted off and i had no other means of getting one Joeairforce 07-09-2009, 10:50 PM I can get the number off my new belt in the mornin. My Suburban just happened to come with new belts for everything. P/O bought new belts cuz old ones were squealin but never got around to installin em. (I'm not much better so far lol) zetan 07-10-2009, 02:20 AM DAYCO and Delco Part # 15480, HC41, or #88934343 { Effective Length 48" / Outside Circ 48.57" / Top Width .44" / Angle 36 degrees. for Fan & Alt. This one is the proper width. GATES Part # 7480 {High Capacity V-Belt (Standard) HC41 3/8" x 48 5/8"} Fan & Alt., Optional Belt This one is too thin and will slip. GATES Part # 5725 {Special Belt HC47 7/16" x 48 7/8"} Fan & Alt., Preferred Belt. Proper width. ACDELCO Part # 5725 {HC47 7/16" x 48 7/8" #88933926} BELT,V FAN & ALT.; PREFERRED BELT; SPECIAL BELT This one is the correct width. Joeairforce 07-10-2009, 08:42 PM Oh good. Someone beat me to it. :cool: (cuz i forgot to look at mine today :rolleyes:) AdrianR 07-10-2009, 08:50 PM Thanks Zetan - that's a good, complete answer. | ||