This SAE Recommended Practice defines standard end form dimensions so as to guarantee interchangeability between all connector designs of the same size and the standard end form. This document also defines the minimum functional requirements for quick connect couplings between flexible tubing or hose and rigid tubing or tubular fittings used in glycol/water coolant systems. This document applies to automotive and light truck applications under the following conditions: a. Gasoline, diesel, hybrid, and electrical propulsion cooling systems. b. Operating pressure up to 206 kPa, 2.06 bar, (30 psig). c. Operating temperatures from -40 °C (-40 °F) to 115 °C (239 °F). Quick connect couplings function by joining the connector to a mating end form typically without the use of tools. The requirements stated in this document apply to new connectors in assembly operations unless otherwise indicated.

Rationale:
This document is intended to provide a standardized interface for quick connect devices designed specifically for Glycol Coolant system interconnect. These types of connections are in increased use worldwide without an applicable standard to govern the performance requirements.

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