Cooling System: Locations

Engine Management System

Cooling Fans and Pumps


Select system or component ID below to navigate to a
location view.
• 3.6L BHK Cooling Fans and Pump => [ 3.6L BHK Cooling Fans and Pump ]

• 4.2L BAR Cooling Fans and Pump => [ 4.2L BAR Cooling Fans and Pump ]

• 3.0L TDI CATA Cooling Fans and Pump => [ 3.0L TDI CATA Cooling Fans and Pump ]

• 5.0L TDI BWF Cooling Fans and Pump => [ 5.0L TDI BWF Cooling Fans and Pump ]

• Auxiliary Engine Coolant Heater => [ Auxiliary Engine Coolant Heater (if applicable) ]








3.6L BHK Cooling Fans and Pump



Cooling System Component Overview
- Front and Rear Engine Side






3 - Recirculation Pump -V55-
10 - Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-

Coolant Fan and Support Assembly
Overview






1 - Coolant Fan Control (FC) Control Module -J293-
2 - Coolant fan -V7-
5 - Coolant Fan 2 -V177-
6 - Coolant Fan Control (FC) Control Module 2 -J671-


4.2L BAR Cooling Fans and Pump



Coolant Fan and Support Assembly
Overview






1 - Coolant Fan Control (FC) Control Module -J293-
2 - Coolant fan -V7-
5 - Coolant Fan 2 -V177-
6 - Coolant Fan Control (FC) Control Module 2 -J671-

Radiator Assembly Overview






1 - Coolant line with Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83- => [ Engine Coolant Temperature (ECT) Sensor (on Radiator) ] See Image Below.

Engine Coolant Temperature (ECT)
Sensor (on Radiator)






1 - Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-
- Installed on the upper coolant hose connection -2-
2 - Upper coolant hose connection

Recirculation Pump






2 - Recirculation Pump -V55-


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


5.0L TDI BWF Cooling Fans and Pump



After Run Coolant Pump and Fuel
Cooler Pump Component Location






1 - After-run coolant pump -V51-
- Bolted to the engine on the right side
2 - Fuel Cooler Pump -V166-
- Bolted to the engine on the right side

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-


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-
3 - Fuel line
4 - Auxiliary engine coolant heater