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diametricalbenz · 12-19-2006, 07:07 PM

You may have some air leaks in the lines but you may also be dislodging some bubbles as well. Is the primer pump giving some resistance or leaking excessively as the primer pumps do fail over time.

12-19-2006, 07:07 PM	#9 (permalink)
diametricalbenz BenzWorld Elite Date registered: Oct 2005 Vehicle: 77' 6.9, 74 240D, 76 300D, 1996 Ram 5.9L Cummins Location: Milwaukee, WI Posts: 1,649	You may have some air leaks in the lines but you may also be dislodging some bubbles as well. Is the primer pump giving some resistance or leaking excessively as the primer pumps do fail over time. __________________ 1977 - W116 - 6.9 1976 - W115 - 300D - Disassembled 1974 - W115 - 240D 4 SP Manual - Almost under Turbo OM617 Power!