Carefully and completely examine the characteristics and evidence available to you.
Overall corrosion – chemical attack
Erosion damage: Is the damage localized or does it have a pattern?
Sludging or bonding
Thermal damage or other evidence of excessive heat
Secondary Seals (gaskets)
Excessive volume change
Wear patterns normal or abnormal
Uneven load distribution
Excessive wear from vibration
Carefully and completely explore all possible solutions to the problem. Select the best remedy, taking into account cost, availability, benefit and return on investment. Use your seal vendor as a resource.