ac pressure switch test

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Or If The AC Does Not Work At All. ...and you should have about 70% difference in pressures between the lines. The AC pressure switch plays such an important role in the operation of the AC system, and yet is at the same time a component that is quite vulnerable to damage.

JeffMy engine fan stays on all the time regardless of the temperature. tranny modulator The compressor is now engaged, turning freely without any strain to the engine. glad you had it fixed. When putting negative cable back on, the a/c clutch actuated, a/c clutch engaged and engine rpm’s went very low stalling the engine. I have been working with cars since I was 16 and I'm specialized with in-depth Automotive diagnostics. Also, which one does my car take?

The diagram tells u to test on the low pressure side and high pressure side. According to my wife it has been shifting fine. This A/C Manifold Gauge Set is designed to test automotive air conditioning systems (using R134A Freon only) by comparing the "high side" and "low side" pressure reading to the vehicle manufacturer’s A/C system specifications.

If the AC compressor is pumping the refrigerant without the right pressure and a loss of oil, it may result in serious damage to the compressor, which may result in prohibitive repair costs.So, we can say that both of these sensors are safety sensors which shut off the AC compressor if anything is not as it should be in the air conditioning system.The replacement of a refrigerant pressure sensor is often pretty easy, but can on some car models be difficult due to the location of the sensor.The location of the refrigerant pressure sensor can differ a lot between car models and depending on whether you are going to replace the high or low-pressure sensor. i am very sorry 3 terminal switch check video i posted here did not work for you. Bad compressor? I'll also add I have over 85psi static on both gauges at 72F ambient. 00 VR6 3 pin fans run, ac wont kick on, systam has a charge help? they usually have wiring diagrams for the switch in the box. I changed the pressure gauge going to my bladder tank because the old one was re... A/C PRESSURE SENSOR (Triple function) When the refrigerant is below 196 kPa (2.0 kgf/cm2, 28 psi) or above 3,140 kPa (32 kgf/cm2, 455 psi), the A/C pressure switch opens the circuit to the A/C switch and stops the air conditioning to protect the A/C compressor. After re- starting the engine, the compressor clutch stayed engaged and the engine returned to normal rpm’s. By logging into your account, you agree to our Cars, SUV's, Vans, Trucks, RV's, Boats and Gasoline Outdoor Power EquipmentPassenger Cars, Mini Vans, SUV Service and Repairs. 97 Posts .

(No Trucks) When it has failed, or if it already failing, it will therefore present with symptoms that are pretty easy to detect. 08-30-2011 10:45 PM #1.

All fuses & relays check OK. High, low pressure switches?Hi Magnus. If thе pressure іѕ nоt right, then thе AC ѕуѕtеm will nоt be able tо start the Aѕ thе рrеѕѕurе switches соntrоl thе оn/оff function оf the The high-pressure sensor ensures that there is not a block in the system that is creating too high a pressure, which may result in a severe explosion in your car.

Hyundai Santa Fe 2005 v6 3.5 thank you!I own a 2000 Chrysler Concorde 3.2.

if anyone knows how to do it and would be able to explain thanks. The other is a high pressure switch, it shuts off the compressor if there is to much pressure. The motor works fine, same with the switch.

camry. If the pressure is getting too high, the refrigerant pressure switch will tell the air condition control unit to shut off the power to the AC compressor to stop it from pumping more pressure in the system.The low-pressure sensor checks that the pressure is not too low in the system, which may be caused by a leak in the system which makes the refrigerant pour out.

It wasn’t easy to replace while still on the vehicle but it can be done.My ac compressor isn’t working,I bought a new one and replaced it,and I made sure the refrigerant is good ,I checked the fuses the only thing that I can think of is the pressure switch .any other ideas would be appreciated.My compressor clutch kicks in when I turn on the a/c. Because оf thіѕ, the AC ѕуѕtеm does nоt nееd to be evacuated рrіоr to ѕеnѕоr removal. Pressure switches are commonly tripped by occurrences like clogged vents or hoses, dirty filters or condenser coils.

2005 Impala--compressor clutch not engaging. 1993 Toyota Camry drivers side power window We welcome your comments and Are there 2 switches on my car? By logging into your account, you agree to our Shop put on gauges,: lo side 30, but high side 400….

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