Exhausts 36 www.aftermarketonline.net APRIL 2026 Exhausting Business… It doesn’t have to be JLM Lubricants UK explains how a DPF or GPF cleaning spray can help to prolong the life of these sensitive components, at a reasonable cost that will help to build customer loyalty. For any workshop, with one eye on profitability, the other on sustainability, the answer to both can reside in the smallest of actions and decisions. For example, choosing additives that deliver on their promises, in some cases reducing the need for a part, can have a big impact on your footprint and the environment. Nowhere is this more prevalent than in the tricky area of exhaust fumes. The combination of exhaust fumes and other particulates released into the atmosphere is a major contributor to global warming and a growing cause of ill health. Cars are pumping out a heady cocktail of gases, including Nitrogen Oxides, which contribute to smog, Carbon Monoxide, the bane of the older vehicle and Hydrocarbons, which escape from exhausts as unburnt fuel due to incomplete combustion. Add Benzene, a carcinogenic substance which is emitted from the vehicle as unburnt fuel, plus particles of black soot and metal, emitted by diesel engines, and you can see why additives tasked with reducing these harmful emissions are needed. Repair, don’t replace Replacing an exhaust or catalytic converter, especially a DPF or GPF, is expensive. And in some cases, with an ageing car parc, motorists can suddenly be hit with a repair bill that exceeds their vehicle’s value. Motorists want their exhausts and filters to last as long as possible, especially on older vehicles, and they want emissions to be reduced whenever possible. A preventative maintenance programme as part of regular servicing will help keep the catalytic converter and DPF or GPF in top condition. Periodically cleaning the exhaust system will ensure it functions efficiently and will also reduce engine emissions. These two boxes can be ticked with a quality additive such as JLM’s dedicated petrol and diesel injector cleaners. Keeping injectors clean improves combustion, reduces emissions and helps to protect the exhaust and associated emission filters. With diesel, and increasingly petrol vehicles, excessive particulate load will cause clogging of the DPF or GPF. Left unchecked, this will lead to poor performance and the vehicle going into limp mode. But rather than simply replacing the filter, which in many cases is unnecessary, a DPF or GPF can be cleaned on a vehicle in a short period of time, getting the customer back on the road quickly for a manageable cost. JLM’s Performance DPF/GPF Cleaning Spray that enables professional technicians to clean the DPF or GPF without having to remove the component from the vehicle. In addition to identifying and resolving the underlying cause of the contamination, this approach will prolong the component’s life, saving motorists money in the long run. They will thank you and will return to you their trusted workshop, for all their other servicing and repair needs. jlmlubricants.co.uk Exhausts, CATS and accessories
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