Screw off castellated nut.
Press off track rod arm - use tool No. 7009.

21080001 - click to zoom
 
Remove steering guiede arm from front axle support.
Note when assembling: Check steering guide arm and fluid
bloc and replace if necessary. = 42 + 0.5 mm (1.6535 + 0.0197").

21080002 - click to zoom