AC Pressure Switch Repair Cost Guide
Low-Pressure Switch Repair
Typical repair time: 1-1.5 hours
Parts cost: $30-75
Labor cost: $125-187.50
Total estimated cost: $155-262.50
High-Pressure Switch Repair
Typical repair time: 1-1.5 hours
Parts cost: $35-85
Labor cost: $125-187.50
Total estimated cost: $160-272.50
Binary Pressure Switch Repair
Typical repair time: 1.5-2 hours
Parts cost: $45-100
Labor cost: $187.50-250
Total estimated cost: $232.50-350
Trinary Pressure Switch Repair
Typical repair time: 1.5-2 hours
Parts cost: $55-120
Labor cost: $187.50-250
Total estimated cost: $242.50-370
Note: These are estimated costs based on our standard labor rate of $125/hour. Final costs may vary depending on vehicle make/model, switch accessibility, and any additional repairs needed. All repairs include system diagnosis and testing.
Additional Costs May Include:
- Refrigerant recharge: $75-150
- System evacuation: $50-75
- Leak testing if required: $50-100
Replacement Procedures
When replacing or repairing the AC pressure switch in a vehicle, several steps and components are typically involved to ensure the system functions correctly. Here's what is generally included in the process:1. Diagnosis:A thorough diagnosis is performed to confirm that the AC pressure switch is indeed the faulty component. This involves checking error codes, inspecting the AC system for leaks, and verifying the switch's electrical connections and pressure readings.
2. Refrigerant Recovery:The refrigerant in the AC system is safely recovered using specialized equipment. This is necessary because the pressure switch is part of the sealed AC system, and opening it without recovering the refrigerant can lead to environmental harm and safety hazards.
3. Removal of the Faulty Switch:The faulty AC pressure switch is carefully removed. This may require disconnecting electrical connectors and unscrewing the switch from its mounting point on the AC line or compressor.
4. Installation of the New Switch:A new AC pressure switch is installed in place of the old one. We ensure that the new switch is compatible with your vehicle's make and model.
5. System Evacuation and Recharge:After the new switch is installed, the AC system is evacuated to remove any air and moisture. The system is then recharged with the correct type and amount of refrigerant.
6. Leak Check:The system is thoroughly checked for leaks to ensure that the new switch and other components are properly sealed.
7. Testing:The AC system is tested to verify that it operates correctly with the new pressure switch. This includes checking the switch's response to pressure changes and ensuring the AC system cools effectively.
8. Final Inspection:A comprehensive final inspection is conducted to ensure all components are securely in place and that there are no loose connections or other issues. This helps guarantee your AC system will function reliably after service completion.
What is a AC Pressure Switch and what does it do

An AC pressure switch monitors refrigerant pressure levels in the air conditioning system and shuts off the compressor if pressure becomes too high or too low to prevent system damage.
How do I know I need to replace my AC Pressure Switch
AC Pressure Switch Failure Signs & Maintenance Guide
Low Pressure Switch
Signs of Failure:
- AC system constantly cycling on and off
- Weak or no cold air coming from vents
- Compressor refuses to turn on
- Frozen evaporator coil
Service Schedule:
Should be tested during annual AC maintenance. Typically lasts 8-10 years but should be replaced if showing any signs of failure or if refrigerant system is opened for major repairs.
High Pressure Switch
Signs of Failure:
- AC system shutting down frequently
- Compressor cutting out during operation
- Unusual noises from outdoor unit
- System blowing warm air
Service Schedule:
Should be inspected annually during routine maintenance. Average lifespan is 8-10 years. Replacement recommended if system undergoes major refrigerant work or if switch shows any malfunction.
Dual Pressure Switch
Signs of Failure:
- Inconsistent cooling performance
- System failing to start or stay running
- Frequent system lockouts
- Erratic compressor operation
Service Schedule:
Annual testing during regular maintenance is recommended. Typical lifespan of 8-10 years. Should be replaced if either high or low pressure monitoring function shows signs of failure.
Important Note: Pressure switch problems can indicate larger system issues. Professional diagnosis is recommended to prevent potential compressor damage or system failure.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.