Procedure for Replacing Gear Shift Cables or Entire Mechanism in Citroen Xsara Picasso

Hello, as in the subject, I have to replace the cable or the entire gear shift mechanism. The symptom was that the jack started to work hard overnight. But to the point, I have a question whether it can remove one cable, whether you need to remove the entire mechanism and in which direction it is removed inside or from the engine. Of course, I will be grateful for additional tips. Regards

Added after 2 [hours] 21 [minutes]:

I turned the center and it seems to me that it goes inside but there is so little space Do I have to remove the entire heater?

Hello, the link mentioned does not know if anyone will be interested in it, but for information it is pulled out from below under the exhaust behind the heat shield, there are two 10 wrench nuts a little tight but it can be done. And the topic probably closed greetings

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Does anyone know why I can't switch from backward to neutral? the car stood two days in the cold, now I can not give one, it got stuck, the engine burns to the touch, I am asking for advice, best regards citroen xara picasso 2.0 HDI 2000

buddy check the clutch cable contains a self-adjuster that likes to fall. I had the same problem, when pressing the clutch pedal it made a scratchy sound and I could not knock or hit the gear. now in turn there is a problem with the run of 2 and R. if 2 can still be knocked in with R is worse likes jumping out. now has the puzzle whether the selector links to be replaced or the gearbox ends ???