Service and Cost
Pressure Sensor Replacement
Part Cost:$50–$150
Labor (0.5 hrs @ $125/hr):$62.50
Total Range:$112.50–$212.50
Wiring/Connector Replacement
Part Cost:$20–$50
Labor (0.5 hrs @ $125/hr):$62.50
Total Range:$82.50–$112.50
O-Rings/Seals
Part Cost:$2–$5
Labor (0.25 hrs @ $125/hr):$31.25
Total Range:$33.25–$36.25
System Recharge (If Required)
Refrigerant Cost:$30–$150
Labor (0.5 hrs @ $125/hr):$62.50
Total Range:$92.50–$212.50
Sensor Housing
Inspection and Cleaning:Check the housing for cracks, corrosion, or physical damage. Any defects indicate the need for a replacement sensor. If the housing is in good condition, carefully clean any dirt or debris from the outside and ensure all mounting surfaces are smooth.
Reinstallation:When reinstalling, make sure the sensor housing aligns properly with the mounting bracket or port. Tighten it to the manufacturer’s recommended torque to avoid damage or leaks.
Electrical Connector
Connector Removal:Gently unclip and detach the connector. Inspect the pins for signs of corrosion or bending.
Cleaning and Repair:If any corrosion is found, use electrical contact cleaner. Realign bent pins carefully. Replace the connector if damage is severe.
Reconnection:Ensure the connector seats firmly and any retaining clip is securely in place to prevent vibration-related disconnects.
Seals (O-rings)
Removal and Inspection:Remove the O-ring from the sensor port, checking for cracks or flattening. Damaged seals must be replaced.
Lubrication and Installation:Lightly coat the new O-ring with refrigerant-compatible lubricant. Carefully seat it without twisting, making sure it’s positioned evenly to prevent leaks.
Internal Sensing Element (Diaphragm)
Visual Check:Disassemble the sensor carefully, if permissible and serviceable. Examine the diaphragm for dents or tears. Severe damage calls for sensor replacement.
Cleaning:Remove any buildup with a soft, lint-free cloth. Avoid excessive force or harsh chemicals that could damage the diaphragm’s sensitive surface.
Recalibration:In some cases, a sensor may require recalibration after service. Follow the manufacturer’s procedure or use specialized diagnostic tools.
Pressure Port
Inspection:Check the thread area for wear or cross-threading. Ensure it’s free of debris and metal shavings that might cause leaks.
Repair and Reinstallation:If threads are damaged, re-tap carefully or replace the sensor. Clean the port thoroughly before reattaching the sensor, ensuring a proper seal.
What is an A/C Refrigerant Pressure Sensor and what does it do
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Sensor Housing
Visible Damage: Cracks or dents may indicate an internal failure.
Fluid Leaks: Refrigerant or oil around the sensor signals a compromised seal.
Unusual Corrosion: Rust or discoloration on metal components can suggest wear or moisture intrusion.
Electrical Connector
Loose Connection: A wiggling or dislodged plug can cause intermittent readings.
Corroded Pins: Green or white buildup on electrical pins affects signal transmission.
Damaged Wiring: Frayed or exposed wires may lead to sensor malfunctions.
Internal Sensing Element
Erratic Readings: Rapid fluctuating pressure readings can point to a failing sensor element.
Failure to Trigger: If the A/C system never cycles on or off, the sensor may be stuck or unresponsive.
Overheating Issues: Sensor failure can cause the compressor to run excessively, leading to overheating.
O-Rings and Seals
Refrigerant Loss: A slow drop in system pressure often points to faulty O-ring seals.
Moisture Intrusion: Dampness or water within the sensor housing can occur if the seal is compromised.
Cracked Seals: Visible splits or wear on rubber components can allow refrigerant leaks.
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.
