'87 4kq: alternator belt change; WAS: all lit up

[Mark R]

Standard belt sizing is width x length (circumference), so you are correct.
Sometimes the P/N's don't match that formula, but all belts are marked with
the standard markings (on the belt or packaging).

Mark


>
>
> As it happens, my FLAPS had the Goodyear Gatorback belt--they gave me
> an 11AV0840, which was what was listed for my car. After struggling
> with it for a while, I dug out the old Conti belt that was on the car
> before the one that failed--I'd kept it as a spare. The cardboard
> sleeve said AVX 10x850, so I wondered if they'd given me the right
> belt. I was assuming that 10 was probably the width in mm, and 840 or
> 850 the circumference, but the parts-counter lady said those numbers
> had nothing to do w/size of the belt. Is she right, or am I? This time
> I'd brought the Conti belt for her to match. She measured it and said a
> match would be a 10 x 833, but they didn't have it in stock.