Cap, Radiator: Inspection
WARNING: This page is about a different car, the 2020 RAM ProMaster City. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of CHRYSLER GROUP, LLC
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- The vent valve in the cap is normally closed.
- If the O-ring seal (1) is damaged, replace the cap.
- A replacement cap must be designed for use on a pressurized coolant bottle.