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Old 07-21-1999, 08:33 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
20 year old rubber diaphrams can & do leak so try pulling vacuum on the elements a little bit at time(slowly). Try blocking off part of the system(overnight) by capping off the yellow/red vacuum lines at the "t" areas.