Get Your 991 Ready For Summer – Air Conditioning Common Issues & Solutions

By Tom on Thursday, April 6, 2023

Like any other vehicle, the Porsche 991 can also experience some common issues with its air conditioning system. While these issues may not affect the car’s performance, they can certainly make driving a less comfortable experience, especially on hot summer days. In this blog post, we’ll discuss some of the most common air conditioning issues that Porsche 991 owners face and the possible solutions to fix them. So, whether you’re experiencing weak airflow, refrigerant leaks, strange noises, or electrical problems, we’ve got you covered with expert advice to help you get your Porsche’s air conditioning system back in top-notch condition.

The Porsche 991 (2011-2019) has a few common air conditioning issues that owners should be aware of. Here are some of them, along with possible solutions:

Weak Airflow: One of the most common air conditioning issues with the Porsche 991 is weak airflow from the vents. This can be caused by a clogged air filter or a faulty blower motor.
Solution: The air filter can be replaced fairly easily, so this is a good place to start. If the airflow is still weak after replacing the air filter, the blower motor may need to be replaced as well.

Refrigerant Leaks: Another common issue with the Porsche 991’s air conditioning is refrigerant leaks. This can be caused by a number of things, including worn-out O-rings, loose fittings, or a damaged compressor.
Solution: The first step is to locate the leak, which can be difficult. Once the leak has been found, the damaged part can be replaced and the system can be recharged with refrigerant.

Strange Noises: If you hear strange noises coming from your Porsche 991’s air conditioning system, such as rattling or hissing sounds, this could indicate a problem with the compressor or the expansion valve.
Solution: A qualified mechanic should diagnose and repair any issues with the compressor or expansion valve.

Electrical Problems: The air conditioning system in the Porsche 991 is complex and involves numerous electrical components. Issues with the electrical system can cause the air conditioning to stop working altogether.
Solution: Electrical issues should be diagnosed and repaired by a qualified mechanic with experience working on Porsche vehicles.

Overall, if you are experiencing issues with your Porsche 991’s air conditioning system, it is best to have it diagnosed and repaired by a qualified mechanic. Regular maintenance and prompt repairs can help keep your Porsche’s air conditioning system running smoothly.

Frequently Asked Questions

Here are some frequently asked questions about the air conditioning system in the Porsche 991:

  1. Why is my Porsche 991’s air conditioning not blowing cold air? Answer: There could be a number of reasons why your Porsche 991’s air conditioning is not blowing cold air. Some possible reasons include a refrigerant leak, a faulty compressor, a clogged or dirty cabin air filter, or a malfunctioning temperature sensor.
  2. How often should I have my Porsche 991’s air conditioning system serviced? Answer: It is recommended to have your Porsche 991’s air conditioning system serviced every two years to ensure optimal performance and prevent potential issues.
  3. How do I clean the air conditioning vents in my Porsche 991? Answer: To clean the air conditioning vents, use a soft-bristled brush or a microfiber cloth to gently remove any dust or debris. You can also use a can of compressed air to blow out any stubborn particles.
  4. Can I recharge the air conditioning system in my Porsche 991 myself? Answer: While it is possible to recharge the air conditioning system in your Porsche 991 yourself, it is recommended to have this done by a certified technician to ensure proper handling of the refrigerant and avoid any potential safety hazards.

Popular Upgrades

CONTROL PANEL. AIR CONDITIONER. PORSCHE 981 BOXSTER / 981C CAYMAN / 991.1

The upgrade linked below is a control panel designed for the air conditioner in your Porsche 991. It is a genuine Porsche part that can replace the existing control panel in your vehicle. This control panel is equipped with a touch-sensitive display and features advanced controls, offering more precise control over the air conditioning system. Upgrading to this control panel could lead to improved functionality and more comfortable driving experience. The touch-sensitive display can make it easier to operate and adjust the air conditioning system. Additionally, the sleek design of the upgraded control panel can enhance the look and feel of your Porsche’s interior, offering an aesthetic improvement.

Control panel. Air conditioner.
Matt Black/hi-gloss chrome

porsche

Fits:
For cars with Air conditioner (option code: 573)
For cars without active seat ventilation incl. heated seats
For cars without seat heating, left/right seat
Porsche 981 Boxster 2012-14
Porsche 981 Boxster 2015 *** Model year period from week 22 to week 45
Porsche 981C Cayman 2014
Porsche 981C Cayman 2015 *** Model year period from week 22 to week 45
Porsche 991.1 Carrera / Turbo / GT3 2012-14
Porsche 991.1 Carrera / Turbo / GT3 2015 *** Model year period from week 22 to week 45

Shop it here.

 

CONTROL BUTTON FOR PCM2 AND PCM3 UNIT. PORSCHE BOXSTER / CAYMAN / 991 / PANAMERA / CAYENNE

Control button for PCM2 and PCM3 unit.

porsche

Fits:
Porsche 981 Boxster / Boxster Spyder2012-16 (I665)
Porsche 981C Cayman / Cayman GT4 2012-16 (I665)
Porsche 991.1 Carrera 2012-16 (I665)
Porsche 958 Cayenne 2011-16 (I665)
Porsche 970 Panamera 2011-16 (I665)

Shop it here.

 

AIR CONDITIONING (AIR CON) RADIATOR CONDENSER KIT. PORSCHE 991.1 / 981 BOXSTER SPYDER / 981 CAYMAN GT4

Air Conditioning (Air Con) Radiator Condenser Kit.

mahle

Includes:
2 x Air Con Radiators Mahle Brand
4 x Rubber O-rings for radiators
1 x Desiccator
2 x Rubber O-rings for desiccator

Fits
Porsche 991.1 Carrera / Carrera 4 – 2012 to 2016
Porsche 991.1 Carrera S / Carrera 4S – 2012 to 2016
Porsche 981 Boxster Spyder
Porsche 981 Cayman GT4

Shop it here.

 

RADIATOR AIR CONDITIONING (AIR CON) CONDENSER. PORSCHE 991 / 981

The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser.

oematch

Fits Left or Right Side. Price shown is for each.

Fits:
Porsche 991 (911) Carrera 2012>>
Porsche 981 Boxster 2012>>
Porsche 981C Cayman 2014>>

Shop it here.

 

CABIN INTERIOR AIR FILTER. PORSCHE 991 2012>> / 981 BOXSTER / 981C CAYMAN

Replacement panel cabin interior air filter.

mahle

Length: 300 mm
Width: 90 mm
Height: 30 mm
Particulate Filter

Fits:
Porsche 991 2012>>
Porsche Boxster 981
Porsche Cayman 981

Shop it here.

POLLEN PARTICLE FILTER. PORSCHE 981 BOXSTER / 991 CARRERA / 981C CAYMAN

Pollen particle filter.

mahle

Length: 247 mm,
Width: 201 mm,
Height: 41 mm,
Activated Carbon Filter

Fits:
Porsche 981 Boxster 2012>>
Porsche 981C Cayman 2013>>
Porsche 991 (911) Carrera 2012>> MKI
Porsche 991 (911) Carrera 2016>> MKII
Porsche 991 (911) TURBO MKI & MKII
Porsche 991 (911) GT3
Porsche GT4 Cayman
Porsche Spyder Boxster
Porsche 718 Boxster 2017>
Porsche 718 Cayman 2017>

Shop it here.