air conditioning FAQS
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Common causes include:
Low refrigerant gas
Leaks in the system
A worn compressor
Blocked cabin or pollen filter
Electrical faults A quick A/C pressure and leak test will identify the issue.
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Most manufacturers recommend an A/C service every 2 years. Express Vehicle Services recommend regular servicing keeps the system efficient and prevents expensive component failures.
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A re‑gas is the process of removing old refrigerant and refilling the system with fresh gas. This restores cooling performance if the system has lost pressure over time.
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Signs include:
Warm air from the vents
Weak airflow
A/C taking longer to cool
Windows not demisting properly
Clicking noises when A/C is switched on
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This is usually caused by bacteria or mould build‑up in the evaporator or cabin filter. Express Vehicle Services can provide an A/C antibacterial clean or new cabin filter which normally solves it.
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We actually recommend this as it helps:
Clear misted windows faster
Keep the system lubricated
Prevent seals from drying out
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A/C servicing is a separate job, but here at Express Vehicle Services we can add it to your service booking on request.
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At Express Vehicle Services most re‑gas jobs take 30–45 minutes, depending on the vehicle and refrigerant type.