Connection Diagram - Coolant Hoses

WARNING: This page is about a different car, the 2018 Volkswagen Jetta, 2017 Volkswagen Jetta, and 2016 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The arrows show the coolant flow direction.

The arrows on the coolant pipes and the ends of the hoses must align.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Coolant Expansion Tank
Cap
- For the coolant expansion tank
- Check the pressure relief valve. Refer to Pressure Relief Valve in Cap, Checking .
Cylinder Head/Cylinder Block
- Fill with coolant after replacing. Refer to Filling .
Engine Preheating Element -Z97-
- Not Installed
Turbocharger
Integrated Exhaust Manifold
Heater Core for the Heater
- Fill with coolant after replacing. Refer to Filling .
Engine Coolant Temperature Sensor -G62-
Coolant Pump
- With the coolant thermostat housing
Engine Oil Cooler
Engine Coolant Temperature Sensor on Radiator Outlet -G83-
Radiator
- Fill with coolant after replacing. Refer to Filling .
Charge Air Cooling Pump -V188-
Charge Air Cooling Circuit Cooler
- Fill with coolant after replacing. Refer to Filling .
Charge Air Cooler Inside the Intake Manifold
- Fill with coolant after replacing. Refer to Filling .
Parking Heater
- Optional equipment