17 00 008 Draining and adding coolant in radiator (N62TU, N63)
Special tools required:
Installation note:
Use only recommended coolant. See COOLING SYSTEM - OPERATING FLUIDS .
Observe 50/50 mixture ratio.
Protective measures/rules of conduct:
- Wear safety goggles.
- Wear protective gloves.
- Observe national/country-specific regulations.
Necessary preliminary work:
- Follow notes for performing repair work on the cooling system
- Remove underbody protection. See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT ASSEMBLY UNDERSIDE PROTECTION .
Draining coolant: Open sealing cap (1) on coolant expansion tank (2). Installation note: Close sealing cap (1) until the arrow marks line up.
If present, release coolant drain connector (1) on the radiator. For radiators without coolant drain connector, unlock coolant hose and remove. Drain, catch and dispose of coolant.
Installation note: Replace sealing ring. Tightening torque, see 17 11 2AZ in 17 11 RADIATOR AND MOUNTING PARTS .
Observe bleeding instructions without fail. Fill and vent cooling system Check cooling system for watertightness.