Component Location Overview - Coolant Pump/Thermostat

Fig 1: Identifying Coolant Pump/Thermostat Components

Courtesy of AUDI OF AMERICA, LLC

1. Temperature Sensor -G18-
   • On top of the High-Voltage Battery Charger 1 -AX4- in the hose connector
   • Refer to [For engine(s) EDFA, EDDA] Temperature Sensor G18, Removing and Installing , or [For engine(s) EBJA, EBRA] Temperature Sensor G18, Removing and Installing  .
2. High-Voltage Battery Coolant Temperature Sensor 2 -G899-
   • Battery output (return)
   • Refer to HIGH-VOLTAGE BATTERY COOLANT TEMPERATURE SENSOR 2 G899, REMOVING AND INSTALLING  .
3. Mixing Valve for High-Voltage Battery Warming -V683-
   • Refer to MIXING VALVE FOR HIGH-VOLTAGE BATTERY WARMING V683, REMOVING AND INSTALLING, RWD , or MIXING VALVE FOR HIGH-VOLTAGE BATTERY WARMING V683, REMOVING AND INSTALLING, AWD  .
4. Low Temperature Circuit Coolant Pump -V468-
   • Refer to Low Temperature Circuit Coolant Pump V468, Removing and Installing  .
5. High-Voltage Battery Coolant Pump -V590-
   • Refer to HIGH-VOLTAGE BATTERY COOLANT PUMP V590, REMOVING AND INSTALLING, RWD , or HIGH-VOLTAGE BATTERY COOLANT PUMP V590, REMOVING AND INSTALLING, AWD  .
6. Mixing Valve 2 for High-Voltage Battery Warming -V696-
   • Installed depending on vehicle equipment
   • Refer to COMPONENT LOCATION OVERVIEW - COOLANT PUMP/THERMOSTAT  .
7. High-Voltage Battery Coolant Temperature Sensor 1 -G898-
   • Battery input (supply)
   • Refer to HIGH-VOLTAGE BATTERY COOLANT TEMPERATURE SENSOR 1 G898, REMOVING AND INSTALLING  .