when should replace them?

[chango_ii]

:confused: I was wondering when should the button be raplace the ones for the rocker? I have 155k. Any ideas?:confused:

[Bnave95]

They should be checked/replaced any time a IP is replaced. That would be on high mileage Eng. It's one of those items that does'nt get looked into untill the problem comes up. It is not common for these to fail. My2c