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Coolant Reservoir: Service and Repair


WM 194019 Removing and installing coolant reservoir on DFI engines

Technical values





Preliminary work

1. Drain the cooling system. -> 193817 Draining and filling in coolant on DFI engines (includes bleeding)
2. Remove right headlight. -> 941519 Removing and installing main headlight - section on "Removing" 94151900 Removing and installing main headlights
3. Remove engine compartment cover on the right and rear. -> 700219 Removing and installing front trim (engine compartment) - section on "Removing" Service and Repair

Removing coolant reservoir

1. Pull electric connector off the coolant reservoir. => Electric connector on coolant reservoir





Electric connector on coolant reservoir

2. Pull off the three coolant hoses shown. => Coolant hoses





Coolant hoses

3. Detach the torque support. To do this, unscrew the fastening screw on the torque support bracket and pull it out. => Fastening screw for torque support bracket





Fastening screw for torque support bracket

4. Detach the torque support on the body and swivel upwards. => Torque support on body





Torque support on body

5. Loosen torque support bracket fastening screw at the body. One fastening screw is loosened through the headlight opening. The second screw is accessible from the top. => View shows screw on spring dome => View shows how screw is connected through headlight opening





View shows screw on spring dome





View shows how screw is connected through headlight opening

6. Remove body bracket. Unclip the electric cable. => Taking out electric cable





Taking out electric cable

7. Loosen the fastening screw on the coolant reservoir. => Fastening screw





Fastening screw

8. Pull coolant reservoir towards the engine and remove from the holder. => Coolant reservoir





Coolant reservoir

Installing coolant reservoir

1. Insert coolant reservoir into the holder and push in the direction of the wing. => Coolant reservoir





Coolant reservoir

2. Tighten the fastening screw. => Fastening screw for coolant reservoir => Tightening torque: 10 Nm (7.5 ftlb.)





Fastening screw for coolant reservoir

3. Install body bracket for the torque support. Clip in electric cable for the coolant reservoir. => Clipping in electric cable





Clipping in electric cable

4. Tighten the fastening screw through the opening in the headlights. => Tightening torque: 60 Nm (44 ftlb.)





Tightening fastening screw through headlight opening

5. Tighten the fastening screw from the engine compartment. => Initial tightening: 50 Nm (37 ftlb.) => Final tightening: 90°





Tightening fastening screw from engine compartment

6. Reinstall torque support. Fit the fastening screw with a new lock nut on the bracket. => Tightening torque: 60 Nm (44 ftlb.)





Torque support

7. Tighten torque support fastening screw at the body (M10). => Tightening torque: 60 Nm (44 ftlb.)
8. Fit and tighten the coolant hoses.





Coolant hoses

9. Connect electric connector to reservoir.





Electric connector to reservoir

Subsequent work

1. Install the engine compartment cover at the right and rear. -> 700219 Removing and installing front trim (engine compartment) - section on "Installing" Service and Repair
2. Install right headlight. -> 941519 Removing and installing main headlight - section on "Installing" 94151900 Removing and installing main headlights
3. Fill and bleed the cooling circuit. -> 193817 Draining and filling in coolant on DFI engines (includes bleeding)