13-Need Release

Need-Release filters remain in service 150,000 miles, 15 months, or 3,000 hours . They are used on systems that contain 28 gallons of coolant, or less. They automatically monitor the coolant’s condition and provide a booster charge of SCA when appropriate. Check the filter to see if it is due to be changed, and replace it if it is. If the system has no filter, skip this step.

(Note: Previous versions of the Need-Release filter were limited to coolant systems with capacities of 20 gallons. The current Penray Need-Release may be used on systems up to 28 gallons, filled with fully-formulated coolant, such as transit coaches.)

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