Coolant Maintenance Intervals The following tables contain the coolant maintenance intervals. Note: INSPECTEA5,EB6 In this section: Extended Life Coolant Additive Maintenance Procedures Standard Life Coolant Additive Maintenance Procedures Coolant Test Procedure Supplemental Coolant Additives (SCA) Silicated Organic Acid Technology (Si-OAT) Coolant Additive Maintenance Procedures Silicated Organic Acid Technology (Si-OAT) Coolant Maintenance Intervals Parent topic: Maintenance