The compressor pumps refrigerant around the system and the condenser, mounted in front of the radiator, sheds the heat. AutoTech Clinic replaces failed compressors and damaged condensers at 24100 Michigan Ave in Dearborn, and we flush the system properly when a compressor has come apart internally.
A compressor rarely fails for no reason. Low refrigerant, a blocked condenser or a seized clutch usually came first, and if we do not find that cause the new compressor will fail the same way.
- How Long
- About 3 to 6 hours for most vehicles.
- Same Day
- Usually finished the same day.
- Vehicles
- Foreign and domestic, cars through trucks.
Signs You Need A/C Compressor and Condenser
- A loud grinding, rattling or squealing when the air conditioning is switched on
- The compressor clutch does not engage at all
- The serpentine belt squeals or has been thrown
- No cooling at all, with the system holding no pressure
- Visible damage or stone impacts on the condenser behind the grille
- Metal particles visible in the refrigerant oil
What We Do
- 01
Confirm the Failure
We check clutch engagement, electrical supply, pressures and whether the compressor turns freely before condemning it. A clutch relay or a pressure switch can prevent engagement on a healthy compressor.
- 02
Check for Internal Debris
If the compressor has failed internally we look for metal in the oil, because that debris circulates through the whole system.
- 03
Flush or Replace Contaminated Parts
We flush the lines and condenser where that is effective and replace the parts that cannot be flushed clean, including the expansion valve and the drier.
- 04
Install With Correct Oil
We set the oil charge to the manufacturer specification. Too little kills the new compressor and too much reduces cooling.
- 05
Evacuate, Charge and Verify
We pull a deep vacuum, charge by weight, and verify pressures and vent temperature at idle and at road speed.
Why the Drier Goes With the Compressor
The receiver drier or accumulator contains a desiccant that absorbs moisture. Once the system has been opened to the air for any length of time, that desiccant is saturated and cannot do its job.
Moisture in a refrigerant system combines with the oil to form acid, which attacks seals and metal from the inside. Replacing the drier is a small part cost and it is the difference between a repair that lasts and one that does not.
Condensers and Michigan Winters
The condenser sits at the very front of the car, ahead of the radiator, where it takes stones, salt spray and road debris directly. Over years the aluminum corrodes and the fins fill with grit, and a blocked condenser cannot shed heat.
That shows up as air conditioning that works at highway speed and gives up in traffic, plus high side pressures that climb well above normal. A gentle clean sometimes helps, and a corroded condenser needs replacing.
What Affects the Cost
We quote your vehicle specifically after inspecting it, because these are the things that move the number up or down:
- Compressor type and whether it is a variable displacement unit
- Whether the condenser, drier and expansion valve also need replacing
- Flushing time when the compressor has failed internally
- Refrigerant type and system capacity
- Access, since some compressors require removing other components to reach
Call (313) 277-7200 with your year, make and model and we will tell you what to expect before you come in.
Why AutoTech Clinic
AAA Approved
An inspected facility that has to meet AAA standards for equipment and training.
Photos First
You see what we found and approve the price before anything is taken apart.
Same-Day Service
Parts on hand for the vehicles we see most, so you are not waiting on a delivery.