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3 Common Problems in Car Air Conditioning Systems

How to Fix Them The air conditioning system, commonly referred to as the ‘AC system,’ is an integral component found in every type of car. It plays a crucial role in the comfort of passengers within the vehicle. Primarily, the AC system regulates temperature, humidity, airspeed, and air cleanliness, ensuring a comfortable interior environment for passengers. The AC system consists of various essential components, including: Compressor Condenser Expansion valve Evaporator The operation of the air conditioning system involves a refrigerant, which exists in a gaseous state within the system. This refrigerant serves as the medium for exchanging heat within the AC system, allowing it to regulate the interior temperature of the passenger cabin according to passenger preferences. As a car is used over an extended period, whether it’s for 5 or 10 years, the AC system may gradually deteriorate or experience wear and tear due to its usage lifespan. Therefore, it becomes necessary to perform proper maintenance and repairs. 3 Common Issues in Car Air Conditioning Systems and How to Fix Them Air Not Cold Cause: Inadequate refrigerant or equipment leakage. Solution: Check for leaks and replace faulty components immediately. Intermittently Cold Air Cause: Accumulated moisture causing the expansion valve to freeze. Solution: Replace the expansion valve, receiver dryer, and flush the system. Delayed Cooling Cause: Compressor failure resulting in insufficient compression. Solution: Replace the compressor, expansion valve, and receiver dryer, then flush the system. Weak Cooling Cause: Overly pressurized system due to excess refrigerant or poor heat dissipation from condenser. Solution: Inspect the radiator fan, check for condenser blockage, verify refrigerant levels, and examine the pressure switch. Address issues as needed. Warm Air at the Evaporator Exit Cause: Frozen evaporator exit pipe reaching the compressor or excessive expansion valve opening. Solution: Quickly release refrigerant to remove excess, and examine the valve. If it’s a blockage issue, replace the expansion valve and flush the system.”      2. Loud Noise Sound Coming from the Passenger Compartment Air Conditioning System Cause: This sound often originates from the air conditioning blower motor, which is responsible for blowing cold air from the air vents, or from the valve that injects refrigerant. Solution: Adjust the air conditioner settings or fan speed. Observe if the sound level changes. If the sound becomes quieter or different, it suggests that there may be an issue with the blower motor, which may need to be replaced. Sound Originating from the Engine Compartment Cause: To determine whether the issue is related to the engine or the air conditioning system, you can turn the car’s air conditioner on and off. If there is no sound when the air conditioner is turned off, it indicates a problem with the air conditioner compressor. Solution: Check if the air conditioner compressor is making unusual noises and if it can be repaired. If repairs are not possible, you may need to replace the compressor with a new one.      3. Unpleasant Odor Accumulated Food Residues or Sweat Cause: The accumulation of food residues or sweat in the car can lead to unpleasant odors. Solution: Regularly clean the car by removing unrelated food items and cleaning the interior surfaces consistently. Fungi and Bacteria Cause: Accumulated moisture or humidity in the evaporator coil can lead to fungal growth. Solution: Perform regular cleaning of the air conditioning system using antibacterial cleaning agents. Also, inspect the cooling unit for any potential leaks that may cause fungal growth. Air Filter Damaged or Deteriorated Cause: A damaged or deteriorated air filter may accumulate mold and cause unpleasant odors when the air conditioner is in use. Solution: Replace the air filter with the appropriate model for your car. It is recommended to change the air filter every year or approximately every 20,000 kilometers, or more frequently depending on driving conditions and usage. For example, if driving on dusty roads, the air filter may become dirty faster and need replacement sooner than usual. Special thanks for the technical expertise and knowledge from Denso Car Service Partner. If your car’s air conditioning system has issues, it is advisable to contact a garage or service center for professional assistance in troubleshooting and resolving the problems. Additionally, don’t forget to choose high-quality and reliable products. Denso is another brand that G.P.Auto Parts trusts when it comes to quality and standards. If you are interested, you can reach out to us for more information. ___________________________________ Place an order/Become a distributor. GP MOBILITY PUBLIC COMPANY LIMITED Line id: @gpautoparts or Link  Contact: https://www.gpmobility.co.th/contact-us/ Follow me: https://linktr.ee/gpmobility Service Monday to Saturday from 08:30 AM to 05:30 PM. 02-941-1222 (Auto),02-579-2882


Air Filters: A Critical Component Not to Be Overlooked

When Car air filters should be replaced Air filters play a crucial role in preventing debris from clogging your system, which can lead to the accumulation of moisture and the development of musty odors. This can be a breeding ground for various diseases and bacteria. Additionally, if the air filter is not replaced regularly, the air conditioning system in your car may not cool as effectively, especially during extended use. Dust particles can congeal and form solid blocks, corroding the system and causing larger leaks, further reducing its efficiency. Car air filters should be replaced every year or every 20,000 kilometers. However, if you drive in dusty conditions frequently, you may need to change the air filter more often. Here’s how to replace the air filter yourself: Open the storage compartment under the center console. Open the locks on both sides inside the storage compartment. After removing the storage compartment, you will notice a slot for the air filter on the inside. Remove the air filter cover panel and carefully pull out the old air filter, being cautious not to tear it as it’s made of paper. Insert the new air filter in the same orientation, following the markings on the filter. Close the air filter panel and place the storage compartment back in its place. Order genuine air filters at a special price throughout May 2023. ___________________________________ Place an order/Become a distributor. GP MOBILITY PUBLIC COMPANY LIMITED INBOX : https://bit.ly/3CfE7pT Line id : @gpautoparts or Link https://bit.ly/3fO3YMO Contact : https://bit.ly/3V15A5T Service Monday to Saturday from 08:30 AM to 05:30 PM. 02-941-1222 (Auto),02-579-2882 www.gpmobility.co.th


7 Tips for Car Air Conditioning Care

Why Air Conditioning is very important In scorching hot weather with temperatures soaring up to 40 degrees Celsius, one thing that becomes incredibly important is the car’s air conditioning system. If your car’s AC is malfunctioning or not cooling in such extreme weather conditions, it can be quite uncomfortable. Opening the car windows may not be a good alternative because it not only lets in the intense heat but also exposes you to unwanted odors and the health risks of PM 2.5 dust particles. Today, G.P.Auto Parts brings you tips on how to maintain your car’s air conditioning system. 7 Tips for Car Air Conditioning Care Before starting the engine, it’s advisable to turn off the AC every time. This prevents the compressor from immediately engaging. Let the engine warm up a bit before turning on the AC. If you start your car in the morning, it’s a good idea to turn on the fan without activating the A/C button. This helps expel moisture from the AC system, and you can later turn on the A/C to reduce any musty odors and extend the lifespan of the AC unit. Avoid setting the temperature too low as it can put excessive strain on the compressor. Adjust the temperature to a comfortable level. If your parked car has been in the sun for an extended period, it’s a good practice to open the windows and let the hot air escape before turning on the AC. This helps cool down the car faster. Avoid frequent window openings as it can let external dust and particles into the car’s AC system. When approaching your destination, consider turning off the A/C before reaching there and just use the fan. There will still be some cool air left in the system, and this practice reduces the workload on the compressor and helps expel any remaining moisture. If your A/C is not cooling effectively or not at all, it’s advisable to have a qualified technician check for refrigerant leaks. A malfunctioning A/C can lead to a refrigerant leak, and prompt repairs are essential. Maintenance: Inspect the AC system every 3 months or every 5,000 kilometers. Ensure proper refrigerant levels and top up as needed. Check and clean the AC filter to remove dust buildup. Inspect the A/C belt for wear and tear. Clean the AC unit every 2 years. reference : http://www.powerplus-jumpstart.com/ ___________________________________ Place an order/Become a distributor. GP MOBILITY PUBLIC COMPANY LIMITED Line id: @gpautoparts or Link  Contact: https://www.gpmobility.co.th/contact-us/ Follow me: https://linktr.ee/gpmobility Service Monday to Saturday from 08:30 AM to 05:30 PM. 02-941-1222 (Auto),02-579-2882