How to diagnose and repair a climate control system?
Just like any other automotive system, many Climate Control concerns are simple to solve, while others are tricky to diagnose or require repairs to multiple components when one component’s failure damages others. Completing this course helps prepare you for the ASE certification test for Air Conditioning.
What to do when your air conditioner is not blowing cold air?
Try checking the power breakers. If all else fails, give us a call and we’ll be right on it. The thermostats must be set to “on” If you find that your air conditioning unit is blowing cool and lukewarm air on and off. Set your thermostat to “auto” and see if it makes a difference.
How to check the pressure in the a / C lines?
Figure 1. Check the pressure in the A/C lines. If the freon looks good, then continue to Step 2. It may be dirty.
What to do if your a / C unit is leaking?
Purchase an A/C recharging can. Connect it to the lower pressure line. Check the pressure. Make sure the pressure stays in the green recommended zone. After checking the pressure, add more if necessary. If the leak is small enough, you can retain cold air for extended periods of time–until you can properly fix it. Figure 1.
How to diagnose AC system problems by symptom?
DIY Auto Service: AC System Diagnosis by Symptom 1 AC System Diagnosis. The typical complaint for an AC problem is the AC blows warm air. 2 Three-Part Series. This series is divided into three parts. 3 Static AC Gauge Pressures. Static Pressure means the system is not running. 4 Static Pressures. There is a relationship between the pressure in…
What to do if your a / C is blowing warm air?
Another way is to stop in to Pep Boys for a FREE A/C Quick Check (not available in the state of California) and an associate can give a visual inspection of the compressor to ensure that everything looks in order. 3. Problems With The Electrical Eystem
What are the symptoms of a bad AC pressure switch?
The most common symptom of a bad AC pressure switch are that you will notice that the AC compressor is cutting on and off rapidly when you are idling your car. These switches between on and off can be noticeable on the engine’s rpm, and you may see or feel fluctuations from it.
How to diagnose a / C problems in your car?
Check around all fittings to verify that they are all secure. Check hose manifolds on the compressor. Check the front seal and the o-rings sealing the pressure switches on the back of some compressors. Check where the hoses are crimped onto the fittings. Check the Schrader Valves. Check for pin holes in the condenser.