As we head into winter after what felt like one of the longest summers in years, thousands of drivers across Norfolk and the UK have been reminded that a working air-con system is far from a luxury — it’s a necessity. At Fresh Motors, our air-con servicing has helped customers uncover everything from slow leaks to complete system failures.
Now that the colder months are setting in, it’s the ideal moment to reflect on what we’ve learned from a busy season of air-con diagnostics — and how those insights can help you keep your car comfortable, safe, and efficient all year round.
The Complete Air Conditioning Service Process
Step 1: Initial Gas and System Check
Every air con service starts with a pressure check to see if your system still contains refrigerant. If it holds pressure, we can proceed with the re-gas. If not — we pause the service and look for the reason. A system with no gas usually indicates a leak, and re-gassing without fixing it first would just waste your money.
Step 2: Understanding Gas Types
Different vehicles use different refrigerants.
- R134A: Common in older vehicles.
- R1234YF: Found in most newer models (post-2017), more environmentally friendly but pricier.
At Fresh Motors, we’re fully equipped for both. We’ll always check your vehicle specs and give you transparent pricing before any work starts — no surprises, no mixing of gas types.
Step 3: Diagnosing the Cause — Including Nitrogen Pressure Testing
If your system has no gas, we perform a detailed diagnostic process.
This includes:
- Visual inspection of key parts (compressor, condenser, pipework, seals).
- Checking for signs of corrosion or damage.
- Performing a nitrogen pressure test — a safe, eco-friendly way to detect leaks without releasing refrigerant.
We often waive extra diagnostic labour time because getting it right matters more than rushing.
Step 4: Identifying the Fault and Providing a Transparent Estimate
Once we’ve found the issue — whether a leaking condenser, worn compressor, or damaged pipe — we’ll show you exactly what needs fixing. You’re under no obligation to proceed, but if you do, we’ll re-gas your system as part of the final repair once it’s sealed and safe.