top of page

Are you dripping anything?

Well our friends, the heat this summer is higher than expected. This means that AC units both home and car need to be running right. At Blackwood Mercedes Service, we care about your safety during these upcoming months. A failing car air conditioning (AC) unit can be identified by several signs. Here are some common indicators that your car’s AC system may be in need of repair or maintenance:

1. Weak Airflow

  • Reduced air pressure or weak airflow from the vents can indicate a problem with the blower motor, a clogged filter, or issues within the ventilation system.

2. Warm Air

  • If the AC is blowing warm or hot air instead of cold, there could be a problem with the refrigerant levels, a malfunctioning compressor, or a problem with the condenser.

3. Strange Noises

  • Unusual sounds like rattling, grinding, or squealing when the AC is on can signal issues with the compressor, fan, or other components.

4. Unpleasant Odors

  • Musty or foul smells coming from the vents can be a sign of mold or mildew growth within the AC system or a dirty cabin air filter.

5. Water Stains or Leaks

  • Puddles of water or stains inside the car, especially near the front passenger area, can indicate a clogged or leaking evaporator drain.

6. AC Cycling On and Off Frequently

  • The AC compressor should cycle on and off to maintain the desired temperature, but if it’s doing so excessively, it could point to an issue with the refrigerant levels, pressure switches, or electrical problems.

7. Visible Refrigerant Leaks

  • Oily spots or visible refrigerant leaks under the hood can indicate a leak in the AC system, which requires immediate attention.

8. AC Doesn’t Turn On

  • If the AC doesn’t turn on at all, there could be an electrical issue, a blown fuse, or a problem with the AC switch or controls.

9. High Humidity Inside the Car

  • If the AC isn’t effectively dehumidifying the air, it could mean there’s an issue with the system's ability to cool and remove moisture.

10. Compressor Clutch Not Engaging

  • The compressor clutch should engage when the AC is turned on. If it doesn’t, the compressor might be failing, or there could be an electrical problem.

What to Do if You Notice These Signs

If you notice any of these signs, it’s important to have your car’s AC system inspected by Blackwood Mercedes Service. Regular maintenance and timely repairs can prevent further damage and ensure that your AC system operates efficiently, keeping you comfortable during hot weather. Take care on those Texas roads our friends.

4 views0 comments

Recent Posts

See All


bottom of page