Originally Posted by JD Harriman

1. It looks like I will need a new one, as a used one, from my experience, will be almost as bad, as the diaphragm usually is the culprit, and as far as I know, no one has a kit for this. Any suggestions?
4. Any other recourse? Do I need to replace the EHA valve? And/or the o-ring(s)
Is this a job I can do? Or are there several adjustments with fine tuned, special tools?

Thanks for your help.