Coolant: Service and Repair

17 00 005 Draining and adding coolant (N55)





Special tools required:
^ 00 2 030





Warning!
Risk of scalding!
Only carry out work on the cooling system after the engine has cooled down!

Important!
Lifetime coolant filling:
Never 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 drained and refilled.





In the case of other removal work involving the draining of partial quantities of coolant, replace these quantities which have been drained with new coolant.

Installation Note:
Use only recommended coolant.

Observe mixture ratio.





Protective measures/rules of conduct:
^ Wear protective goggles.
^ Wear protective gloves.
^ Note national regulations.





Important!
For dirt contamination of the cooling system (e.g. by engine oil), the cooling system must be rinsed with water until all dirt contamination is removed!





Important!
Risk of slipping due to coolant on the floor.
Risk of injury!

Catch and dispose of drained coolant in drip tray (1) and if necessary special tool 00 2 030 (universal hydraulic lifter).

Recycling:
Observe country-specific waste disposal regulations.





Necessary preliminary tasks:
^ Remove front underbody protection.
^ Remove fan cowl.





Draining coolant:
Open cap (1) on coolant expansion tank.

Installation Note:
Close the sealing cap (1) until the arrows line up.

Unlock and detach coolant hose (1) from radiator.





Drain, catch and dispose of coolant.





Adding coolant:
Use only recommended coolant.

Observe mixture ratio.

Observe filling capacities.

Fill and vent cooling system.

Observe venting instructions without fail.





Assemble engine.

Check cooling system for leaks.