Cooling System: Locations
Component locations: Engine Management System
Cooling Fans and Pumps
Select system or component ID below to navigate to a
location view.
• 3.6L CGRA Cooling Fans and Pump => [ 3.6L CGRA Cooling Fans and Pump ]
• 3.0L TDI CATA Cooling Fans and Pump => [ 3.0L TDI CATA Cooling Fans and Pump ]
• 3.0L TDI CNRB Cooling Fans and Pump => [ 3.0L TDI CNRB Cooling Fans and
Pump ]
• Auxiliary Engine Coolant Heater => [ Auxiliary Engine Coolant Heater (if applicable) ]
• 3.0L CGFA Hybrid Cooling Fans and Pump => [ 3.0L CGFA Hybrid Cooling Fans and Pump ]
3.6L CGRA Cooling Fans and Pump
Cooling System Component
Overview - Front and Rear Engine Side - Part 1
2 - Engine coolant circulation pump 2 -V178-
- Located at the back of the engine below center plenum chamber cover
3 - Automatic Transmission Fluid (ATF) Pre-Heater
4 - Engine coolant temperature sensor -G62-
5 - Engine temperature control temperature sensor -G694-
6 - Coolant Pump
7 - Coolant regulation valve -N515-
Coolant Fan and Support
Assembly Overview
3 - Coolant Fan Control (FC) Control Module -J293-
3.0L TDI CATA Cooling Fans and Pump
Coolant Fan Assembly
Overview
1 - Coolant fan -V7-
5 - Coolant Fan 2 -V177-
6 - Coolant Fan Control (FC) Control Module -J293-
Radiator Assembly Overview
13 - Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-
Fuel Cooler Pump
- - Fuel Cooler Pump -V166-
Coolant Pump
- - Coolant Pump -V50-
- Located in the front left wheel housing
3.0L TDI CNRB Cooling Fans and
Pump
Coolant Fan Assembly
Overview
1 - Coolant fan -V7-
5 - Coolant Fan 2 -V177-
6 - Coolant Fan Control (FC) Control Module -J293-
Radiator Assembly Overview
13 - Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-
Fuel Cooler Pump
- - Fuel Cooler Pump -V166-
Coolant Pump
- - Coolant Pump -V50-
- Located in the front left wheel housing
Auxiliary Engine Coolant Heater (if applicable)
1 - Engine Coolant Temperature (ECT) Sensor -G62-
• Located in return hose from radiator (if applicable)
2 - Programmable Timer -E111-
Located at the front of headliner
3 - Fuel Level Sensor -G- => [ Fuel Lines Routing ] See Image Below.
• Located under the right side of rear seat bench
4 - Auxiliary Engine Coolant Heating RF Receiver -R149-
• Located on headliner rear center
5 - Auxiliary battery -A1-
• Located under the luggage compartment floor
6 - Battery -A-
• Located under the front left seat
7 - Fuse carrier
• Located on the left side under instrument panel
8 - Metering Pump -V54- => [ Fuel Lines Routing ] See Image Below.
• Located under the vehicle floor in tunnel
9 - Recirculation Pump -V55- => [ Auxiliary Engine Coolant Heater Components ] See Image Below.
• Located on the auxiliary engine coolant heater
10 - Auxiliary engine coolant heater with Heater Control Module -J162- => [ Auxiliary Engine Coolant Heater Components ] See Image Below.
• Located under the front left fender
11 - Exhaust muffler
12 - Engine Coolant (EC) Switch-Off Valve (heater) -N279- => [ Auxiliary Engine Coolant Heater Components ] See Image Below.
• Located in the front left wheel housing
13 - Outside Air Temperature Sensor -G17- => [ Outside Air Temperature Sensor ] See Image Below.
• Located behind the center air intake grille
Outside Air Temperature
Sensor
1 - Outside Air Temperature Sensor -G17-
Auxiliary Engine Coolant Heater
Components
4 - Recirculation Pump -V55-
5 - Auxiliary Engine Coolant Heater with Heater Control Module -J162-
6 - Engine Coolant (EC) Switch-Off Valve (heater) -N279-
- Only installed on vehicles with parking heater function
Fuel Lines Routing
1 - Metering Pump -V54-
2 - Fuel Level Sensor -G-
4 - Auxiliary engine coolant heater
3.0L CGFA Hybrid Cooling Fans and Pump
High Temperature Circuit
3 - Engine coolant temperature sensor -G62-
5 - Engine coolant temperature sensor on radiator -G83-
6 - Coolant Thermostat
Arrow - Engine temperature control sensor -G694-
- Located in bank 1 cylinder head, underneath the fuel rail.
Low Temperature Circuit
2 - Electric drive power and control electronics -JX1-
3 - Low temperature circuit coolant pump -V468-
1 - Coolant regulation valve -N515-
Electro-Drive Drive Motor
1 - Automatic Transmission Fluid (ATF) Pre-Heater
3 - ATF Pre-Heater Shut-Off Valve
4 - Coolant Pump
6 - Recirculation pump -V55- => [ ] See Image Below.
7 - Coolant System Shut-Off Valve Motor
8 - Electro-drive drive motor -V141-
Recirculation pump -V55-
• Located on behind the right mount bracket, access from right front
tire area
Radiator and Fan Shroud
Overview
3 - Coolant fan -V7-