Coolant: Service and Repair

17 00 005 - Draining and adding coolant (S85)

Special tools required:
- 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit

Warning!
Danger of scalding!

Only carry out work on the cooling system after the engine has cooled down!

Protective measures/rules of conduct:

- Wear protective goggles
- Wear protective gloves
- Observe national/country-specific regulations

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

Danger of injury!

Catch and dispose of drained coolant in drip tray (1) and if necessary special tool 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit (universal hydraulic lifter).

Recycling:
Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:
- Follow instructions for working on cooling system Instructions for Working on Cooling System
- Use only recommended coolant
- Remove reinforcement plate Service and Repair

Draining coolant:

Open cap (1) on coolant expansion tank.

Open drain plug (1) on radiator.

Drain, catch and dispose of coolant from radiator.

Installation Note:
Replace sealing ring.

Tightening torque, 11 11 5AZ.

Adding coolant:

Vent cooling system and check for leaks Venting Cooling System and Checking for Water Leaks.