100 – Engine Ancillaries, Oil Tank and Water Cooler
Version 1 2016-01-01 27 / 113
- Close valves A and B by turning the levers perpendicular to the flow
direction.
- Connect hose (3) to the pressurised air.
Pressure: 6 – 10 bar
- Open valve B by turning the level in the flow direction.
The suction pump generates negative pressure in the cooling
system, the dial indicator needle must move into the green range.
- Open valve A briefly by turning the lever in the flow direction to that the
VAS 6096 coolant reservoir hose fills with coolant.
- Close valve A.
- Leave valve B open for another 2 minutes.
The suction pump continues to generate negative pressure in the
cooling system; the dial indicator needle must remain in the green
range.
- Close valve B.
The dial indicator needle must remain in the green range, if so, the
negative pressure in the system is sufficient for the subsequent
filling.
Repeat the procedure if the dial indicator needle is below the green
range. If the negative pressure falls, the cooling system must be
checked for leaks.
- Disconnect the pressure hose.
- Open valve A.
The negative pressure in the cooling system draws the coolant out
of the coolant reservoir VAS 6096 and the cooling system fills.
- Remove the VAS 6096 cooling system filling device from the V.A.G
1274/8 adapter on the expansion reservoir.
- Disconnect quick release fitting 1 and 3.
- Open the bleed nipple on the water cooler until coolant escapes.
- Close the bleed nipple.
- Replenish coolant.
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