Remove grey/black tank valves
OK, guys, I have not seen anything on this in a while.....I have a 2014 Sierra 355 RE with the remote black and grey dump valves. Really handy when they are working I guess. But, my question is, what is the best way to keep them working? What is the best method to lubricate and keep these things operating properly?
Thanks in advance.
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Gene Failmezger
Sumter, SC
2014 Sierra 355RE
2014 Ford F350 6.7L diesel
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