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I was in an hour long traffic jam/commute and mine started blinking too! Did the sensor pic up someone elses low tire pressure? I'm pretty sure all my sensors have dead batteries, being when I last had the tires replaced, costco said I needed them replaced. Declined it.....
rib count
There are 7 ribs/teeth on the factory belt yes? I just looked at mine and only counted 6. Looked slightly narrower too (did not span across the entire pulley). Shop put on a different belt when they put in a new alternator?
Reading in another thread here that its usually the bearings that fail; the factory bearings in these pulleys/tensioner are not sealed if I recall correctly. You can replace just the bearings and should be gtg......
Aren't these quotes of $2-300 for the work/parts about the same if you were to just replace the whole axle? If so, if just have them replace it........