Coolant Hose, Connection Diagram, Non-Hybrid Vehicles With Engine Code CDZA

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Vehicles without auxiliary heater

NOTE:

Blue = large coolant circuit.

Red = small coolant circuit.

Brown = heating circuit.

Green = Transmission Fluid Heater circuit.

Fig 1: Coolant Hose, Connection Diagram - Vehicles Without Auxiliary Heater (Non-Hybrid Vehicles With Engine Code CDZA)

Courtesy of AUDI OF AMERICA, LLC

Radiator
Turbocharger
Cylinder Head/Cylinder Block
Coolant Recirculation Pump -V50-
- Installed only on vehicles with a start/stop system
Coolant Shut-Off Valve
- controlled by a vacuum from the Climatronic Refrigerant Shut-Off Valve -N422-
Bleeder hole
Heater core for heater
- Removing and installing, refer to HEATER CORE, REMOVING AND INSTALLING .
Transmission Heater Core
- in transmission housing
Transmission Coolant Valve -N488-
Coolant Pump
- Removing and installing, refer to COOLANT PUMP, REMOVING AND INSTALLING .
Restrictor
Coolant Reservoir Cap
- Checking the pressure relief valve COOLING SYSTEM, CHECKING FOR LEAKS => Pressure Relief Valve in Cap, Checking .
Coolant reservoir
Check Valve
After-Run Coolant Pump -V51-
- installed only on hot climate vehicles
Coolant thermostat
Engine Coolant Temperature Sensor -G62-
- Removing and installing, refer to Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING .
Engine Oil Cooler

Vehicles with auxiliary heater