Porshe 911 (997). Manual - part 828

Installation position shown on the 911

1. Immediately seal the openings of air-conditioning lines with suitable plugs.

Opening pressure line

2. Unscrew fastening screw -1- for refrigerant line -C- and open the pressure

line.

Diagnostic system: reading out fault memory and activating systems

Removing heating/fresh air unit

3469

Removing expansion valve

3. Unscrew fastening screws -2- and remove expansion valve. → 877019 Removing and installing expansion

valve - chapter on "Removing"

Fastening nuts for heater/air-conditioning unit

4. Unscrew the fastening nuts -6- for the heater/air-conditioning unit in the area of the plenum

panel/firewall.

Fastening screw to dashboard bracket

5. Unscrew fastening screw -3- for securing holder of the heater/air-conditioning unit to right side of

dashboard bracket (next to A-pillar).

Diagnostic system: reading out fault memory and activating systems

Removing heating/fresh air unit

3470

Fastening screw to dashboard bracket

6. Unscrew fastening screw -4- for securing heater/air-conditioning unit to right side of dashboard bracket

(passenger's side).

Fastening screws on dashboard bracket

7. Unscrew the two fastening screws -5- for dashboard bracket to right side of body.

Unclipping wire harness at dashboard bracket.

8. Unclip holder for electric harness with a screwdriver from right side of dashboard bracket.

Pulling dashboard bracket forward

Diagnostic system: reading out fault memory and activating systems

Removing heating/fresh air unit

3471

9. Now pull dashboard bracket a few centimetres forward on the right side.

Removing cotter pin

10. Pull out cotter pin -A- for holder of the heater/air-conditioning unit.

Pull out holder

11. Turn holder -B- for heater/air-conditioning unit by 90° and pull up and out.

Diagnostic system: reading out fault memory and activating systems

Removing heating/fresh air unit

3472