Coolant Hose Connection Diagram

WARNING: This page is about a different variant/trim than selected.

Fig 1: Coolant Hose Connection Diagram

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Expansion Tank
- With the sealing cap.
- Pressure relief valve in cap, checking. Refer to PRESSURE RELIEF VALVE IN CAP, CHECKING .
Turbocharger
- Removing and installing, refer to TURBOCHARGER .
Cylinder Head/Cylinder Block
- Replace coolant after replacing.
Coolant Connection
Heater Core
- Replace coolant after replacing.
Bypass Thermostat
- Only with a automatic transmission.
- Checking, refer to BYPASS THERMOSTAT OVERVIEW .
Transmission Oil Cooler
- Only with a automatic transmission.
Engine Oil Cooler
Intake Manifold
- Removing and installing, refer to emoving and installing INTAKE MANIFOLD .
Radiator
- Removing and installing, refer to one of the following:
  - GTI and Eos, refer to RADIATOR .
  - Passat, refer to .
- Replace the coolant after replacing.
Coolant Recirculation Pump -V50-
- The direction of coolant flow in the after-run operation is opposite the illustrated direction of flow.
- The functions can be checked with output Diagnostic Test Mode (DTM). Refer to the vehicle diagnosis, testing and information system VAS 5051.
Coolant Thermostat Housing
- With the coolant thermostat.
- Coolant thermostat, checking. Refer to "Function and Component Selection" in the vehicle diagnosis, testing and information system VAS 5051.