Why is my Lexus GS350 AC not working?

Possible Causes of Lexus GS350 AC Not Working
The most common causes that hinder the normal operation of the air conditioning system in a Lexus GS350 include:
– Dirty cabin air filter: A dirty filter can cause reduced cooling, heating, and airflow, as well as unnecessary strain on the entire AC system, negatively impacting fuel consumption.
– Refrigerant leak: A refrigerant leak can lead to a lack of cooling in the AC system.
– Dirty or clogged condenser: A dirty or clogged condenser can hinder the proper functioning of the AC system.
– Dirty or clogged evaporator: Similar to the condenser, a dirty or clogged evaporator can also cause AC problems.
– Bad blower motor: A defective blower motor can result in reduced or no airflow from the AC system.
– Defective compressor: A faulty compressor can lead to a lack of cooling in the AC system.
– Faulty blend door actuator or any fault in the electrical system: Issues with the blend door actuator or electrical system can also cause AC problems.
How to Fix It
To address these issues, it is recommended to:
– Check and replace the cabin air filter if it is dirty.
– Inspect for and repair any refrigerant leaks.
– Clean or unclog the condenser and evaporator.
– Replace a defective blower motor or compressor if necessary.
– Address any faults in the blend door actuator or electrical system.
If these steps do not resolve the issue, it may be advisable to seek professional assistance for a more in-depth diagnosis and repair.
It’s important to note that the specific cause of the AC issue in a Lexus GS350 may vary, and a thorough inspection by a qualified technician is often necessary to accurately diagnose and address the problem.

Where is the AC reset button?

It’s a small, red button usually located on or around the unit. The button should have a clear ‘reset’ label. Once you find the button, press it for around three seconds and observe the AC. Check whether the AC kicks on immediately and if it doesn’t, press the button again for another three seconds.

Is there an AC reset button?

Look for it first around on the exterior of your machine, especially along the bottom edge near the ground. An AC’s reset button is typically red and visible, so it should be easy to spot. If you don’t see a reset button on the outside, it could be located inside the unit behind the service panel.

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.

Why is my Lexus AC not blowing cold air?

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.

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 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.

How much does it cost to replace a Lexus air conditioner?

The average cost for a Lexus RX350 AC Compressor Replacement is between $1,146 and $1,504. Labor costs are estimated between $361 and $455 while parts are priced between $785 and $1,049. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

How do you diagnose a car AC problem?

Start your vehicle and turn on the AC with the fan on high. Then, cycle through the selector options on your HVAC control, feeling for cold air from each position. Positions that don’t blow cold air may have a temperature sensor issue, while positions that don’t blow any air might have a blend door actuator problem.

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.