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Hello, i need some help finding the right size a/c v belt for my 85 s10 2.8L.
The worn belt I removed is #15480 but the replacement belt I bought seems to be a little too big ( i can’t adjust it any tighter). The auto parts stores have been no help. Thanks
Automotive fuel system Motor vehicle Automotive tire Light Automotive design
Automotive fuel system Motor vehicle Automotive tire Light Automotive design
 

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2003 GMC Sonoma SLS extended cab 4.3L auto 4x4
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I am assuming that the 'new/ replacement' belt you bought is the same size as the one that came off. I did some checking @ Rock Auto, and it seems that the belt you need is a 15470 (47.57" O.S. Circumference) (for A/C & fan only, which is what seems to be the case in the photos). It is 1" shorter than your present 15480 belt. That might be worth checking out, but, if that is too short, then shoot for a 15475, which would be 1/2" shorter than the one you have. Good luck, and let us know how it gets resolved.
 
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