Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 696
– Connect coolant hose and lower right coupling -1- to the radi‐
ator. Refer to
⇒ Fig. ““Connect the Coolant Hose to the Coupling”“ ,
– Fill the -VAS6096- with 10 liters (10.56 quarts) of coolant in
the correct mixture ratio, mixture ratio. Refer to
– Install the Cooling System Tester - Adapter - VAG1274/8- on
the coolant expansion tank.
– Secure the Cooling System Charge Kit - VAS6096- on the
adapter -VAG1274/8- .
– Place the air outlet hose -1- in a small container -2-.
Note
A small amount of coolant which should be collected is drawn off
with the discharged air.
– Close valves -A and B- by turning lever at a right angle to di‐
rection of flow.
– Connect the hose -3- to compressed air.
• Pressure: 6 to 10 bar (87.02 to 145.03 psi) positive pressure.
– Connect the Vehicle Diagnostic Tester .
– Turn on the ignition and select the following menu items on the
Vehicle Diagnostic Tester :
♦
01 - Engine electronics
♦
Guided functions
♦
01 - Cooling system filling/bleeding
– Open valve -B- by turning level in direction of flow.
• The suction jet pump generates pressure in the coolant sys‐
tem; indicator on display instrument must move into green
area.
– Briefly open the valve -A- by turning the lever in the flow di‐
rection so that the hose on the Cooling System Charge Kit -
VAS6096- coolant expansion tank fills with coolant.
– Close valve -A- again.
– Leave valve -B- open another two minutes.
• More pressure is generated in the coolant system by the suc‐
tion jet pump; indicator on display instrument must stay in
green area.
– Close valve -B-.
– Remove pressurized air hose.
• Needle in the display instrument must remain in the green re‐
gion, then the sufficient vacuum in the cooling system is
obtained for the upcoming filling.
Note
♦
Repeat the procedure if the needle goes below the green
range.
♦
Check the cooling system for leaks if the pressure drops.
– Open the valve -A- slowly.
• Coolant is extracted from the Cooling System Charge Kit -
VAS6096- coolant reservoir by pressure in the coolant system
and the system is filled.
– Remove the Cooling System Charge Kit - VAS6096- from the
coolant expansion tank.
– Fill the coolant to the MAX marking.
– Install the noise insulation. Refer to ⇒ Body Exterior; Rep. Gr.
66 ; Noise Insulation; Overview - Noise Insulation .
– If the vehicle has a parking heater, switch it on for about 30
seconds.
– Set the temperature at “HI”.
– Press the
AC
button to turn off the A/C compressor.
• The LED in the button must not come on.
– Start the engine and run it at approximately 1500 RPM for a
maximum of two minutes.
– With engine running, fill coolant up to overflow hole on coolant
expansion tank.
– Close the cap on the coolant expansion tank until it locks into
place.
– Let the engine run at idle until both large coolant hoses on the
radiator are warm.
– Turn off engine and allow it to cool off.
– Check the coolant level.
• The coolant level must be between the “min” and max mark‐
ings when the engine is cold.
• Coolant level may be at the MAX marking with engine at op‐
erating temperature.
– Add more coolant if necessary.
2
Coolant Pump/Thermostat
⇒ “2.1 Overview - Coolant Pump/Thermostat”, page 223
⇒ “2.2 Overview - Electric Coolant Pump”, page 226
⇒ “2.3 Overview - Engine Coolant Temperature Sensor”,
page 228
⇒ “2.4 After-Run Coolant Pump V51 , Removing and Installing”,
page 228
⇒ “2.5 Coolant Shut-Off Valve N82 , Removing and Installing”,
page 230
⇒ “2.6 Transmission Coolant Valve N488 , Removing and Instal‐
ling”, page 231
⇒ “2.7 Coolant Pump, Removing and Installing”, page 232
⇒ “2.8 Coolant Pump Toothed Belt, Removing and Installing”,
page 235
⇒ “2.9 Engine Temperature Control Actuator N493 , Removing
and Installing”, page 237
⇒ “2.10 Engine Coolant Temperature Sensor G62 , Removing
and Installing”, page 238
⇒ “2.11 Engine Coolant Temperature Sensor on Radiator Outlet
G83 , Removing and Installing”, page 239
2.1
Overview - Coolant Pump/Thermostat
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