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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> 85 Ventilation -- 992 - 911 CARRERA (992) >> WM, 851519 Removing And Installing Heating/Fresh Air Unit >> Preliminary Work

Preliminary Work

  1. Remove dashboard bracket.

    Refer to the appropriate service information.

  2. Remove front footwell outlet vent.

    805519 REMOVING AND INSTALLING FRONT FOOTWELL OUTLET VENT

  3. Remove battery/vehicle electrical system.

    270619 REMOVING AND INSTALLING BATTERY/VEHICLE ELECTRICAL SYSTEM

  4. Drain refrigerant.

    870317 DRAINING AND FILLING REFRIGERANT R134A

    870317 DRAINING AND FILLING REFRIGERANT R1234YF

  5. Drain coolant.

    193817 DRAINING AND FILLING COOLANT

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