I've had Permatex 'Form-A-Gasket' Sealant (#80016?) on my phase sensor for over a year now.
used it repeatedly - when I've removed and refitted various bits.
no complaints or follow up leaks.
just take care with that phase sensor o-ring. it's circular, the groove in the housing is not
+1 to the 'slippery and sticky... how do you do it?' thread could be a winner....