Air Compressor Motor
Part Cost:$200 - $400
Labor Time:2 - 3 hours
Labor Cost (@ $125/hour):$250 - $375
Total Estimated Repair Cost:$450 - $775
Dryer
Part Cost:$40 - $80
Labor Time:1 hour
Labor Cost (@ $125/hour):$125
Total Estimated Repair Cost:$165 - $205
Relay
Part Cost:$10 - $30
Labor Time:0.5 hour
Labor Cost (@ $125/hour):$62
Total Estimated Repair Cost:$72 - $92
Pressure Sensor
Part Cost:$40 - $70
Labor Time:0.5 - 1 hour
Labor Cost (@ $125/hour):$62 - $125
Total Estimated Repair Cost:$102 - $195
Mounting Bracket
Part Cost:$20 - $50
Labor Time:0.5 hour
Labor Cost (@ $125/hour):$62
Total Estimated Repair Cost:$82 - $112
Seals/O-Rings
Part Cost:$10 - $20
Labor Time:0.5 hour
Labor Cost (@ $125/hour):$62
Total Estimated Repair Cost:$72 - $82
Control Valve
Part Cost:$50 - $100
Labor Time:1 - 2 hours
Labor Cost (@ $125/hour):$125 - $250
Total Estimated Repair Cost:$175 - $350
Wiring Harness
Part Cost:$30 - $60
Labor Time:1 - 2 hours
Labor Cost (@ $125/hour):$125 - $250
Total Estimated Repair Cost:$155 - $310
Compressor Motor
1. Disconnect the vehicle's power supply to prevent accidental engagement. 2. Remove the motor from the compressor assembly and inspect for worn brushes or damaged internal components. 3. Replace brushes if worn beyond specifications, clean the motor housing, and reinstall with fresh gaskets or seals as necessary. 4. Reconnect all electrical connections and test for proper operation.
Air Dryer
1. Depressurize the air suspension system before starting any work. 2. Disconnect the air lines and remove the air dryer canister. 3. Replace the desiccant media or cartridge to ensure proper moisture removal. 4. Reinstall and ensure no air leaks exist by performing a pressurized test.
Pressure Relief Valve
1. Detach the valve from the compressor assembly. 2. Inspect the valve for signs of corrosion or internal blockage. 3. Clean the valve seats and replace any damaged seals. 4. Reinstall the valve, ensuring it is torqued to manufacturer specifications.
Seals and Gaskets
1. Remove the compressor from its mounting location for adequate access. 2. Carefully inspect all seals and gaskets for cracks or signs of wear. 3. Clean the mating surfaces thoroughly and replace any defective seals or gaskets. 4. Reassemble with correct torque and test for air leaks under pressurized conditions.
Air Suspension Lines
1. Visually inspect lines for cracks or abrasion. 2. Remove damaged sections and install new lines using proper fittings. 3. Ensure routing avoids sharp edges or sources of heat to prevent future damage. 4. Check for leaks by pressurizing the system and listening for escaping air.
Sensors
1. Disconnect wiring harnesses and remove sensors from the compressor assembly. 2. Clean sensor surfaces and inspect for faulty wiring or corrosion. 3. Replace any sensor that fails an electrical continuity or resistance test. 4. Reinstall and recalibrate according to the manufacturer’s specifications.
Relay
1. Verify voltage supply and check the relay’s wiring for loose connections. 2. Remove the relay from its mounting location. 3. Check for internal faults with a relay tester or by using continuity checks. 4. Replace any failed relay and retest system functionality.
Cylinder and Piston Assembly
1. Disassemble the compressor housing to access the piston and cylinder. 2. Inspect for scoring or excessive wear. 3. Replace worn piston rings or damaged cylinder walls as needed. 4. Re-lubricate and reassemble according to torque specifications before conducting a pressure test.
Compressor Housing
1. Remove attached components like the motor, air dryer, and valves. 2. Inspect the housing for cracks, corrosion, or other structural damage. 3. Clean the housing thoroughly and repair any minor defects if possible. 4. Reassemble with all components sealed properly to prevent air leaks.
Inlet Filter
1. Locate the compressor inlet filter and remove the cover. 2. Check for dirt, debris, or clogging. 3. Clean or replace the filter to ensure unobstructed airflow. 4. Reinstall and confirm proper airflow by monitoring compressor performance during a test cycle.
What is an Air Suspension Air Compressor and what does it do
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Motor
- Overheating: Excessive heat or burning smells can indicate worn internal components or electrical issues.
- Slow Operation: If the motor takes longer to start or struggles to reach normal speed, brushes or windings may be failing.
- Loud Noises: Grinding or screeching sounds often mean bearings are worn.
Piston and Cylinder
- Reduced Air Output: Poor compression may be due to scoring or wear on the piston or cylinder walls.
- Excessive Vibration: Damaged piston rings or cylinder coatings can create imbalance.
- Oil Contamination: If oil leaks into the cylinder area, the system’s performance and lubrication can be compromised.
Connecting Rod & Bearings
- Knocking Sounds: Worn bearings may cause metallic tapping or knocking noises.
- Excess Play: Noticeable play in the rod during inspection suggests cracks or wear.
- Vibration Increase: Loose or damaged bearings lead to extra vibration, affecting overall compressor function.
Air Dryer
- Moisture in System: Signs of excess water or condensation indicate the dryer is not functioning properly.
- Clogged Desiccant: Reduced airflow can occur if the drying material becomes saturated or contaminated.
- Frequent Regeneration Cycles: If the dryer cycles too often, it might be failing to properly remove moisture.
Pressure Switch
- Inaccurate Pressure Readings: If the compressor runs too long or not at all, the switch may be stuck or defective.
- Frequent Cycling: Rapid on/off behavior can indicate a faulty switch or miscalibration.
- No Power to Compressor: A failed pressure switch can prevent the compressor from receiving power.
Relay
- Compressor Not Activating: A defective relay may cause a complete lack of power to the motor.
- Intermittent Operation: A failing relay can cause sporadic or unreliable compressor function.
- Burn Marks: Visual signs of heat damage or burning on relay terminals indicate failure.
Seals & Gaskets
- Air Leaks: Hissing sounds or unusual pressure drops suggest failing seals.
- Visible Cracks or Deformation: Physical damage around joints indicates need for replacement.
- Dry or Brittle Rubber: Aging gaskets can harden and stop sealing correctly.
Check Valve
- Backflow of Air: If air moves in the wrong direction, the check valve may be stuck or broken.
- Slow Pressure Buildup: A failing check valve can hinder proper air compression.
- Rattling Noises: Loose or damaged valve internals often cause unusual clicking or rattling sounds.
Mounting Hardware
- Excessive Vibration or Movement: Loose mounts lead to rattling and stress on the compressor housing.
- Damaged Rubber Isolators: If isolation components are cracked or missing, noise and vibration increase.
- Visible Rust or Corrosion: Weakened brackets can eventually break, compromising compressor stability.
Internal Wiring
- Intermittent Power Loss: Damaged or frayed wires can cause the compressor to stop unexpectedly.
- Burnt Smell or Discoloration: Overheating and insulation damage are serious signs of electrical faults.
- Blown Fuses: Frequent fuse failures can indicate short circuits or wiring issues in the compressor.
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.
