Jeep TSB #9003633
2017 Jeep Grand Cherokee
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- Water Pump Dealers are replacing water pumps because of a coolant leak. Water pumps are found TNF but the water pump bypass o-ring was pinched resulting in a coolant leak that looks like a failed pump. Please inspect the bypass o-ring before replacing the pump as it is available separate for service.