REP-TAT-P-1700-04 Fill the high-temperature cooling system with the vacuum filler device
Vacuum filler device
Vacuum filler device - connected to the coolant expansion tank
- Vacuum filler device with pressure gauge and shutoff valves
- Filling hose
- Fluid tank with coolant
- Venturi nozzle
- Compressed air connection (maximum 6 bar)
- Out-going hose (lead out-going hose into a collecting vessel)
Prerequisite
The coolant expansion tank for the cooling system must be empty. The fluid tank of the vacuum filler device must have a sufficient quantity of premixed coolant, 1 l to 2 l more than the specified capacity for the vehicle. The fluid tank of the vacuum filler device must be positioned at the same height as the coolant expansion tank. The compressed air connection must have a pressure of 6 bar. Ignition is switched off.
Follow NOTES FOR WORKING ON THE COOLING SYSTEM
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
Filling without the vacuum filling equipment (watering can filling) is not permitted .
Failure to observe this rule runs the risk of component damage/engine damage.
Filling specification absolutely must be adhered to.
It is not permissible to operate the vehicle if the filling procedure has not been fully completed. Otherwise functional limitations (degradation) and/or overheating may result.
A bleeding procedure is required after a part has been exchanged in the cooling system and/or after refilling the cooling system.
Make sure that the ignition (terminal 15) is switched off prior to creating the vacuum with the vacuum filling equipment.
- Select a suitable adapter (Y) from the set of special
tools 0 494 417 (17 0 100) :
| Type | Engine | Adapter (Y) from 17 0 100 |
| F30/F31 | B48/B58 | 17 0 103 |
- The fluid tank of the vacuum filler device must be filled with 1 l to 2 l more than the specified capacity of coolant for the vehicle.
| Cooling system capacity | |
|---|---|
| High-temperature coolant circuit coolant quantity for motor vehicles with manual gearbox | |
| 9.31 | |
| High-temperature coolant circuit coolant quantity for vehicles with automatic transmission | |
| 10.51 |
- Connect the selected adapter (Y) to the coolant expansion tank.
- Connect vacuum filler device to connection (X) of the adapter.
- Close shutoff valves (A) and (B) of the vacuum filler device (1).
(X) is the connection on the coolant expansion tank.
- Connect Venturi nozzle (1) to the vacuum filler device (2).
(X) is the connection on the coolant expansion tank.
- Connect compressed air (1).
(X) is the connection on the coolant expansion tank.
- Open shutoff valve (B).
The Venturi nozzle generates a flow noise.
- Open shutoff valve (A) until the filling hose (1) is full without bubbles.
- Close shutoff valve (A) again.
» The filling hose (1) has now been bled.
- Check coolant hoses for porosity and replace if necessary.NOTE: TECHNICAL INFORMATION
The coolant hoses contract during vacuum build-up. - After having established a vacuum in the coolant circuit of between -0.7 to -0.95 bar (duration approximately 2 min), close the shutoff valve (B).
- Check whether the shutoff valves (A) and (B) are closed.
- Disconnect the Venturi nozzle (1).
Check
- The vacuum in the coolant circuit must be maintained for at least 30 seconds.
Result
» Vacuum drops.
Measure
- Look for the leak, repair it and start the filling procedure from the beginning.
Check
- The vacuum in the coolant circuit must be maintained for at least 30 seconds.
Result
» Vacuum remains constant.
Measure
- Continue with filling.
- Keep shutoff valve (B) closed during the filling process.
- To fill the cooling system, open the shutoff valve (A) to the fluid tank of the vacuum filler device.
- Stop the filling procedure when the needle in the pressure measuring device is on 0 bar or it no longer drops.
- If necessary, reduce remaining vacuum. Open the shutoff valve (B).
- Remove the vacuum filler device with the adapter from the coolant expansion tank.
- Adjust the coolant level to the maximum mark.
- After filling the cooling system with the vacuum filler device perform the cooling system bleeding routine additionally.