CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
19 – Cooling
1
Cooling system
WARNING
The cooling system is under pressure when the engine is hot!
Danger of scalding by steam and hot coolant.
Cover filler cap on expansion tank with a cloth and open care‐
fully to release pressure.
Note
♦ Secure all hose connections with the correct type of hose clips
(same as original equipment) ⇒ EKTA (Electronic parts cata‐
logue) .
♦ The arrow markings on coolant pipes and on ends of hoses
must align when installing.
Coolant hose schematic diagram ⇒ page 238
Draining and filling with coolant ⇒ page 241 .
Checking cooling system for leaks ⇒ page 246 .
1.1
Coolant hose connection diagram
Note
Inclusion of auxiliary heater in coolant circuit ⇒ Rep. gr. 82
Vehicles with manual gearbox
238
Rep. gr.19 - Cooling
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
1 - Radiator/cooler
2 - Continued coolant circula‐
tion pump - V51-
3 - Coolant pump
4 - Thermostat
5 - Engine oil cooler
6 - Cylinder head and cylinder
block
7 - Exhaust turbocharger
8 - Coolant expansion tank
❑ With cap
❑ Checking pressure re‐
lief valve in filler cap
⇒ page 246 .
9 - To auxiliary heater
10 - From auxiliary heater
11 - Heat exchanger for heater
12 - Coolant connection
Vehicles with automatic gearbox
Note
Inclusion of auxiliary heater in coolant circuit ⇒ Rep. gr. 82
1. Cooling system
239
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
1 - Radiator/cooler
2 - Continued coolant circula‐
tion pump - V51-
3 - Thermostat
4 - Coolant pump
5 - Engine oil cooler
6 - Cylinder head and cylinder
block
7 - Exhaust turbocharger
8 - Coolant expansion tank
❑ With cap
❑ Checking pressure re‐
lief valve in filler cap
⇒ page 246 .
9 - To auxiliary heater
10 - From auxiliary heater
11 - Heat exchanger for heater
12 - Gear oil cooler
13 - Coolant connection
14 - Thermostat for gear oil
cooler
❑ In some vehicles, the
thermostat is located on
the output side of the
gear oil cooler.
240
Rep. gr.19 - Cooling
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
1.2
Draining and adding coolant
Special tools and workshop
equipment required
♦ Adapter for cooling system tester - V.A.G 1274/8-
♦ Drip tray for workshop hoist - VAS 6208-
♦ Spring-type clip pliers - VAS 6362-
♦ Coolant system charge unit - VAS 6096-
♦ Refractometer - T10007 A-
Draining
WARNING
The cooling system is under pressure when the engine is hot!
Danger of scalding by steam and hot coolant.
Cover filler cap on expansion tank with a cloth and open care‐
fully to release pressure.
– Open filler cap on expansion tank.
1. Cooling system
241
2024 VW Passat Owner's Manual
VW Passat B7 Service & Repair Manual
VW Passat B6 Service & Repair Manual
