Thanks Kyle,

That makes sense, because just recently I noticed a new oil stain on the concrete. Maybe the diaphragm just started to leak. Are there any other telltale signs that would indicate a bad diaphragm?

Doug V.

__________________
1980 Mercedes 300 SD, 215,000miles
2001 F-350 Powerstroke turbodiesel, Crewcab, 4x4, 81,000 miles
1993 Chevy Suburban, 185,000 miles