Why is my Lexus IS350 AC not working?

Possible Causes of Lexus IS350 AC Not Working
There are several potential causes for the air conditioning (AC) not working in a Lexus IS350. Some of the common causes include:
1. Dirty cabin air filter: A dirty cabin air filter can hinder the normal operation of the AC system and reduce cooling, heating, and air flow. It can also put unnecessary strain on the entire AC system, impacting fuel consumption.
2. Refrigerant leak: A refrigerant leak can cause the AC system to malfunction. If there is a refrigerant leak, the AC may not cool properly.
3. Dirty or clogged condenser: A dirty or clogged condenser can restrict the flow of air and prevent the AC from working effectively.
4. Dirty or clogged evaporator: A dirty or clogged evaporator can also lead to AC problems. The cabin air filter captures most dirt and particles, but some may escape and fall on the evaporator, affecting its performance.
5. Bad blower motor: A faulty blower motor can prevent the AC from blowing air properly.
6. Defective compressor: A defective compressor can result in the AC not functioning correctly.
7. Faulty blend door actuator: A faulty blend door actuator can cause issues with temperature control in the AC system.
8. Electrical system fault: Any fault in the electrical system, such as a faulty relay or control module, can affect the operation of the AC.
It’s important to note that these are general causes and may not be specific to the Lexus IS350 model. It is recommended to have a professional mechanic diagnose and repair the AC system to accurately identify the cause of the issue.
How to Fix the AC in a Lexus IS350
To fix the AC in a Lexus IS350, it is best to consult with a professional mechanic who can diagnose and repair the specific issue. However, here are some general steps that may be taken to address common AC problems:
1. Replace the cabin air filter: If the cabin air filter is dirty, it should be replaced to improve ventilation and prevent strain on the AC system.
2. Repair refrigerant leaks: If there is a refrigerant leak, it is important to identify and repair the leak before recharging the AC system.
3. Clean the condenser and evaporator: If the condenser or evaporator is dirty or clogged, they should be cleaned to ensure proper airflow and functioning of the AC system.
4. Replace faulty components: If the blower motor, compressor, blend door actuator, or any other component is found to be defective, it may need to be replaced to restore proper AC operation.
5. Check the electrical system: If there is a fault in the electrical system, such as a faulty relay or control module, it should be diagnosed and repaired by a professional mechanic.
Remember, these steps are general recommendations and may not apply to every specific case. It is always best to consult with a qualified mechanic for an accurate diagnosis and appropriate repairs.
I hope this helps! Let me know if you have any other questions.

Is AC covered under Lexus warranty?

Covers the repair or replacement of components that fail under normal use due to a defect in materials or workmanship, such as: engine, transmission, steering, brakes (excluding rotors and pads), fuel system, cooling, A/C and heating systems, electrical, and restraint systems.

How much does it cost to recharge AC in car?

A professional AC recharge cost ranges from $150 – $300 on average depending on the make and model of your vehicle.

Is AC compressor worth fixing?

It’s often worth replacing a compressor on an AC unit. Without a properly functioning compressor, your air conditioning system simply won’t work. And the cost of replacing the AC compressor is significantly more affordable than the cost of installing a new HVAC system (an average of $5,700 for central air).

How much does it cost to replace the AC compressor in a Lexus IS350?

The average cost for a Lexus IS350 AC Compressor Replacement is between $820 and $869. Labor costs are estimated between $187 and $236 while parts are typically priced around $633. This range does not include taxes and fees, and does not factor in your unique location.

Is it worth it to fix car AC compressor?

It depends on the age and condition of the equipment and how the compressor failed. A good rule of thumb is that equipment will last 10–15 years. If the compressor failed on a 7 year old system, it is likely worth it to replace the compressor.

Why is my Lexus AC not blowing cold?

Your vehicle’s air-conditioning stopped working likely because of a bad compressor or a freon leak. While these are the simple to spot reasons that the air-conditioner isn’t cooling in your car, a bad belt or a dirty cabin air filter could also be the problem.

How to fix Lexus AC?

How To Troubleshoot Lexus Auto AC

1. Check the Filter. Very often, the reason for reduced power of your Lexus auto AC is a dirty filter.
2. Examine the Condenser.
3. Check for Refrigerant Leaks.
4. Consider the Compressor.
5. Shop for the Vehicle You Are Looking for at Prestige Lexus.

Why is the AC in my Lexus blowing out warm air?

Unusual Noises When AC is On: If you’re hearing strange noises from the AC, the AC belts might be worn out or the compressor could be failing. AC Blowing Warm Air: This can happen due to a clogged condenser, a faulty compressor, or a leak in the refrigerant.

How do I reset my Lexus AC?

And come back to a stop turn the truck off or the car put it back in diagnostic mode and you see if you still have any codes. Easy as that.

Why is my car AC not cooling?

Why is my car air conditioner not blowing cold air? There can be a number of reasons why you can air conditioning is not blowing cold air. The most common reasons could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge (regas) your air conditioning.