17 00 005 Draining and topping up coolant (N14, N18)
WARNING: This page is about a different variant/trim than selected.
Notes
WARNING:
Risk of scalding!
Only carry out repair work on the cooling system after the engine has cooled down!
IMPORTANT:
Wear protective gloves and safety goggles.
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!
Necessary preliminary work
FOLLOW NOTES FOR CARRYING OUT REPAIR WORK ON THE COOLING SYSTEM.
After adding coolant, check the cooling system for leaks.
Draining coolant
Unscrew sealing cap (1) on coolant expansion tank.
Release spring strap on lower coolant hose (1) with special tool 17 2 052.
Detach coolant hose (1). Drain, catch and dispose of coolant.
Adding coolant
Observe FILLING CAPACITY .
Observe mixture ratio of 50% antifreeze and 50% water.