Originally Posted by kyoo

if one's on the way out, it's probable the others are getting close to the end also. probably worth replacing all 4, for me my spoolinup cop was one of the originals, so it took quite a bit of time before it died. I think I mentioned 8 years but actually I think it's longer than that... maybe closer to 10-12 years. It was on my black 9 before I swapped cars, which is 2013 so..