Cooling System Component Assembly Overview, Intake Side with Engine Pre-Warmer

Cooling System Component Assembly Overview, Intake Side with Engine Pre-Warmer





1 Lower Reservoir Coolant Hose

• Coolant hose connection diagram, refer to --> [ Coolant Hose Connection Diagram, with Engine Pre-Warmer ] [1][2]Cooling System.

2 Upper reservoir coolant hose

• Coolant hose connection diagram, refer to --> [ Coolant Hose Connection Diagram, with Engine Pre-Warmer ] [1][2]Cooling System.

3 10 Nm

4 Ventilation Pipe

5 Engine Coolant Temperature (ECT) Sensor (G62)

6 Retaining clip

7 O-ring

• Replace

8 Transmission Oil Cooler

• Only on vehicles with the DSG transmission

9 Engine Oil Cooler Coolant Supply Hose

• On vehicles without a transmission fluid cooler

• From connection on the cylinder block

Transmission Oil Cooler Coolant Return Line

• On vehicles with a transmission oil cooler

• Coolant hose connection diagram, refer to --> [ Coolant Hose Connection Diagram, with Engine Pre-Warmer ] [1][2]Cooling System

10 Engine Oil Cooler Coolant Return Hose

• Coolant hose connection diagram, refer to --> [ Coolant Hose Connection Diagram, with Engine Pre-Warmer ] [1][2]Cooling System

11 To the Upper Radiator

12 Bracket for Wiring Harness and Coolant Pipe

• Secured on the oil filter bracket --> [ 16 Bracket ] Service and Repair

13 Coolant Hose

• To coolant pipe on cylinder block

14 Coolant Hoses

• For transmission oil cooler

• Only on vehicles with DSG transmission

15 Coolant Line

• For engine pre-warmer

• Assembly overview --> [ Engine Pre-Warmer Assembly Overview ] Engine Pre-Warmer Assembly Overview

• Secured in upper area on the bracket for the wiring harness and coolant pipe --> [ 16 Bracket ] Service and Repair

• Secured in lower area on the charge air pipe with engine pre-warmer bracket --> [ (item 15) Charge Air Pipe ] Charge Air Cooler Components Assembly Overview

16 Engine Pre-Warmer

• Assembly overview, refer to --> [ Engine Pre-Warmer Assembly Overview ] Engine Pre-Warmer Assembly Overview

• Removing and installing, refer to --> [ Engine Pre-Warmer ] Engine Pre-Warmer

17 Engine Oil Cooler

18 Thermostat

• Checking: Heat up thermostat in water

• Starts to open: Approximately 87 °C

• Opening end: Approximately 102 °C

• Opens: min. 7 mm

19 Connecting Piece

20 15 Nm

21 Hose to the Lower Radiator

22 Coolant Pump

23 40 Nm