AC Compressor Repair & Replacement
Also called AC compressor change
The compressor is the pump that moves refrigerant around the air conditioning system. It fails through seized bearings, a burnt-out clutch coil, internal wear or loss of lubricating oil. Repair may mean replacing the clutch and pulley alone; heavier failure needs the whole unit. If a compressor has broken up internally, the pipes, dryer and expansion valve must be flushed or replaced too, or the new compressor will fail the same way.
Signs you need this
- Loud rattle or grinding from the engine bay when AC is switched on
- Compressor clutch does not engage at all
- Belt squeals or has been thrown off
- No cooling at all although the system has gas
- Metal particles found in the refrigerant circuit during service
Not all of these have to be present, and one of them on its own can mean something else entirely. That is what the diagnosis is for.
What the job includes
- Diagnosis confirming the compressor rather than a control or electrical fault
- Refrigerant recovery before the system is opened
- Clutch, pulley or complete compressor replacement as the failure requires
- Receiver dryer replacement, which is mandatory once the system is opened
- System flush where debris from a failed compressor is present
- Vacuum, recharge by weight and performance test
How we do it
Confirm the failure
Electrical supply, clutch gap, pressures and pulley condition are checked so a cheap fault is not replaced expensively.
Recover and open
Refrigerant is recovered properly and the compressor is removed with the belt and mounting inspected.
Clean the circuit
Where the old compressor shed metal, lines and condenser are flushed and the dryer and expansion valve replaced.
Fit and charge
The new unit is fitted with the correct oil charge, the system is vacuumed, then refilled to the specified weight.
Run and verify
Vent temperature, pressures, clutch operation and fan behaviour are checked over an extended idle and road test.
How we work
The same on every job, which is why we can write it down.
Diagnosis before quote
We find the fault first. A price given over the phone for a noise nobody has heard is a guess.
The price is agreed first
You approve the work and the cost before a spanner is picked up. Extra work means another call.
Parts you can check
We tell you whether a part is genuine, OEM, aftermarket or used, and what each one costs.
Old parts returned
Ask and we will hand back whatever we replaced. It is the simplest proof that the job was done.
Book ac compressor repair & replacement
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Tell us the car and the symptom
We will arrange a mechanic at your location, or a slot at the nearest workshop. No payment until the price is agreed.