at my last job i was always told to replace the 2 and 5 rec as a pair. because if you only replace the one that is bad the other one will take a dump soon down the line. i was wondering if anybody else has heard that and if they feel that it is true or not and why. today i was at crowns training on the ev-100 system and when i brought this up the instructer said he has never heard this and that there is no reason to change both. so im asking all the techs what do you think?
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