Coolant Reservoir: Service and Repair

Removing and installing coolant expansion tank

Preliminary work





1. Drain cooling system.
2. Remove the right-hand headlight.
3. Remove engine compartment cover on the right and rear.

Removing coolant expansion tank





1. Remove electric connector from coolant reservoir.





2. Pull off the three coolant hoses shown.





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





4. Detach the torque support from the body and swivel upwards.








5. Undo torque support bracket fastening screw from the body. One fastening screw is loosened through the headlight opening. The second screw is accessible from the top.





6. Remove body bracket. When doing this, unclip the electric cable (2 x).
7. Loosen the secondary air pump from cylinder row 1-4.





8. Undo the coolant reservoir fastening screw.





9. Pull coolant reservoir towards engine and take out of the holder.

Removing coolant reservoir





1. Remove electric connector from coolant reservoir.





2. Pull off the 3 coolant hoses shown.





3. Loosen the coolant reservoir fastening screw.





4. Pull coolant reservoir towards engine and take out of the bracket.

Installing coolant expansion tank





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





2. Tighten fastening screw. Tightening torque: 7.5 ft-lb.
3. Tighten the secondary air pump from cylinder row 1-4.





4. Reinstall body bracket for the torque support. Clip on electric cable for coolant reservoir (2 x).





5. Tighten fastening screw (M10 x 20) through the headlight opening. Tightening torque: 44 ft-lb.





6. Tighten fastening screw (M10 x 37) from the engine compartment. Initial tightening: 37 ft-lb. Final tightening: 90°





7. Reinstall torque support. Install the fastening screw (M10 x 85) with a new fastening nut on the bracket. Tightening torque: 44 ft-lb.
8. Tighten the fastening screw of the torque support onto the body (M10 x 70). Tightening torque: 44 ft-lb.





9. Mount and tighten the three coolant hoses.





10. Connect electric plug to reservoir.

Installing coolant reservoir





1. Insert coolant reservoir into the bracket and push in the direction of the wing.





2. Tighten fastening screw. Tightening torque: 7.5 ft-lb.





3. Mount and tighten the three coolant hoses.





4. Connect electric plug to reservoir.

Subsequent work

1. Install the engine compartment cover at the right and rear.
2. Install right headlight.
3. Fill and bleed the cooling system.