Ac Compressor Test Bench

Test for ac compressor clutch function.

Ac compressor test bench.

Connect the positive or red wire to the positive side of the battery. Open the hood of your vehicle and locate the air compressor. Then attach the black wire to the negative side of the battery. Learn more about this test bench from msg equipemnt.

The test bench performs the following operations. Https bit ly 2kmxwvk r134a freon operated test bench for diagnostics of ac compressors. A reading of 0 00 indicates that there s a short in the windings. In most cars the air compressor is located near the upper left section of the engine compartment.

Connect your negative or black battery cable with the grounded contact in the compressor. Perform an a c clutch coil resistance test with an ohmmeter. Knowing when your ac compressor is running or not is critical to diagnosing the ac system but also for charging the. Typically a clutch coil should be between the range of 2 to 5 ohms and any reading below 2 ohms or over 5 ohms indicates a bad coil.

Step 2 check the belt connected to the compressor for any tears rips or notches on both the inner and outer sides of the belt.