Cabin Air Filters

The cabin air filter is responsible for cleaning outside air entering the vehicle. Because up to 100,000 litres of air can be blown into the vehicle’s interior in less than an hour, it can easily become clogged with debris. Unfortunately, a blocked cabin filter will not be effective, resulting in a below-par heating and cooling system, and causing the air inside the vehicle to become more polluted than the air outside up to six times more. Similarly, bacteria and fungi can accumulate in the filter, leading to unpleasant smells in the cabin. Fitting a high-performance cabin filter, such as Delphi, is essential in eliminating these harmful pollutants and odours, safeguarding both you and the air conditioning (A/C) system.

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High-performance media

All our cabin air filters use a high-performance, non-woven fabric to eliminate dust, pollen, bacteria and exhaust particles, amongst others. The specially designed filter fabric contains up to five individual layers, removing near 100 percent of harmful pollutants.

Enhanced protection

Over time moisture can build up in the filter and become a feeding ground for bacteria and mould. This can then spread into the lines of the HVAC system, where it emits unpleasant odours. For the ultimate protection from this and other pollutants, we also offer a range of carbon activated filters. Our carbon activated filters feature the same high quality, non-woven fabric as our particle filters, with the addition of a layer of activated carbon. Sandwiched between two layers of fleece, this highly effective technology removes more pollutants than standard filters, and expels nasty gases and smells too.

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Air conditioning 1 min read

Air Conditioning Repair Recommendations

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General Maintenance and Tips Air Conditioning and Thermal Air Conditioning & Thermal Technical Tip Technicians 1 min read

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In this article, you will find some of our air conditioning repair recommendations.

Equipment Checks

Key devices such as the refrigerant identifier, electronic leak detection tool and temperature gun all need to be tested and adjustments made to ensure they are performing to manufacturer specifications.

Refrigerant Recovery/Recycle & Charging Station

This all-important tool needs a complete pre-season inspection.

Areas of concentration include changing the oil in the vacuum pump, calibrating the scales and gauges, inspecting all hoses for cracks and splits, checking the gauges for leaks, purging the storage tanks of air, replacing particulate and oil filters, and examining the O-rings at the service couplers for wear.

Recovery Reservoir Oil Check

To avoid inaccurate measurements by the recovery reservoir, you should also check it for "leftover" oil from the previous season.

A deep vacuum test is also highly recommended. If your unit can't achieve a deep vacuum, you won't be able to secure a proper charge of the refrigerant and oil following a repair.

An improper refrigerant charge can lead to premature component failures, particularly with compressors.

EPA Certifications

Each technician needs to be certified by the Environmental Protection Agency to handle refrigerants.

Testing is involved to obtain the certification.

Oil and O-Rings

Most A/C system oils and lubricants have an expiration date. Survey your inventory and replace as needed.

Another good supply check is O-rings. They should be inspected for cracks and splitting.

Consider Upgrading Your Tool Box

Unfortunately, spanner wrenches won't work on newer-style compressor clutches. If you haven't invested yet in a compressor turning tool, now's the time.

You might also want to consider adding a tool such as Delphi's new A/C Analyzer to your tool box. This unique device measures eight key air-conditioning system areas to help take the guesswork out of servicing today's A/C systems.

The hand-held, wireless device links to any Bluetooth¨-equipped PDA and services R-134a systems.