Gm Ac Compressor High Pressure Switch

When the pressure and temperature are too low the compressor is switched off.

Gm ac compressor high pressure switch.

The chevrolet truck uses two air conditioning pressure switches. Item 220 420 gm harrison compressor switch black. Signs of a failing a c pressure switch include your a c being unable. The a c pressure switch is mounted on both the high and low sides of your a c.

The high pressure switch is designed to shut down the compressor if the line pressure gets dangerously high. This protects the compressor from damage. On the older compressors some did have a switch in the backside sometimes 2. High pressure switch normally closed closes 245 psi.

Checker has two different hi pressure switches. The switch turns the compressor clutch field coil off and on. According to the gm schematic from the dealer for a 98 this should be the high pressure switch. When the pressure in your a c rises or lowers too much this switch turns off the compressor to protect it and the rest of the system from damage.

Item 220. Agricultural air conditioning air conditioning parts and supplies condensers evaporator radiator blower switches. Acdelco 15 5687 gm original equipment air conditioning compressor high pressure cut off switch 4 4 out of 5 stars 43. A high and low pressure switch.

Https amzn to 2wnjoeh hey guys so have you. This switch is crucial for proper a c performance. Acdelco 15 2962 gm original equipment air conditioning clutch cycling switch 4 7 out of 5 stars 123. Acdelco 15 5687 gm original equipment air conditioning compressor high pressure cut off switch 20 93.

Refrigerant does not wear out or evaporate. Most of the time it was just a high pressure switch which is a closed switch unless the pressure in the system goes above a set point where it opens the circuit and causes the compressor s clutch to disengage. An automotive air conditioner s pressure switch cycles the vehicle s compressor on and off when the refrigerant pressure falls below an acceptable level. Item 220 422 low pressure switch compressor mounted.

One that would fit the back of the compressor and one that would fit the supply line on the system. Only leaking air conditioning systems have low refrigerant levels. This will usually happen when a condenser fan fails. The low pressure switch is designed to shut the compressor down if the pressure becomes to low or the evaporator freezes.

This line is also switched with the ac button on the dash.