The coolant recovery bottle acts as a reservoir for the engine's cooling system. Once the engine has cooled down enough, vacuum is created in the coolant system and the coolant is sucked back into the coolant system.
The "For 97-06 Jeep Wrangler Aluminum Coolant Recovery Overflow Expansion Tank/Can" product would be ideal for Jeep Wrangler owners looking to upgrade their cooling system components.
