Cayman (987) F6-2.9L (2009)
10. Pull out cotter pin -A- for holder of the heater/air-conditioning unit.
11. Turn holder -B- for heater/air-conditioning unit by 90° and pull up and out.
12. Lay down the air conditioner, release clamp for water drain hose -C- and pull off the water drain hose from the heater/air-conditioning unit.
13. Carefully lift heater/air-conditioning unit forward with a screwdriver under the right side of the dashboard bracket.
14. Release lower plug connection on heater/air-conditioning unit -a- and unplug.