I did the rebuild and it didn't fix anything. Found out the problem was the check valve inside the housing that was allowing the system to lose prime. That part is not available from GM or the aftermarket. 1st housing lasted 267,000 miles. Maybe this will also.
'03 GMC 2500HD
'12 Jayco 25BHS
Rugrat: Peyton
Labs: Catfish, Katy, CJ
GO DAWGS!!!