Why would a Porsche 911 Carrera 4S start misfiring on cylinder four following a routine spark plug replacement? ALLDATA and Porsche’s OEM repair data can provide an answer.  Problem  Following a standard spark plug change, a Porsche 911 Carrera 4S (Type 992, 3.0L) returned to the workshop after the driver noticed poor engine performance. The ...

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All workshops have at one point or another been told by a customer, “my air con isn’t blowing cold enough”. Well, that’s what this month’s cover star Auto Air Gloucester is seeking to get to the bottom of.   Understanding the Causes and Best Practices for Repair   It’s a phrase almost every automotive technician hears on a ...

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Febi discusses its new intelligent testing device for operating fluids.  What inspired febi to introduce the Fluid Testing Device?   Workshops have long relied on either visual inspection or costly, slow laboratory services to understand fluid condition. We saw a clear gap: professionals needed fast, accurate, on‑site diagnostics without the time delay. The new febi Fluid Testing Device gives workshops advanced, data‑driven insight ...

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The experts at Accu, a leading provider of reliable engineering and precision components, have analysed BMW’s patent (DE469242297), which covers three head styles: cap head, countersunk and flanged button head. Additionally, automotive expert Richard Rackham, former Head of Concept at Lotus Cars, weighs in on what this means for mechanics, manufacturers and owners. Here’s what ...

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Comline is reminding independent workshops of the importance of not applying copper grease to brake pads.  Comline, the brand of choice for many aftermarket businesses and technicians around the world, is urging independent workshops to reconsider the use of copper-based grease on brake pads, as modern braking systems become ever more reliant on electronic sensors ...

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Parts supplier febi discusses timing chain rattle in the EA111 engine 1.4 TSi and what you can do about it.  The 1.4 Turbocharged Stratified Injection (TSi) variant of the EA111 Volkswagen Group engine was produced from 2005 to 2015, after which it was replaced by the current belt-driven EA211 series of engines.  This engine was used in many different models with various power outputs and ...

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Gigacasting is changing vehicle manufacturing – and repair practices along with it. Helpfully, with ALLDATA Repair, workshops and bodyshops can either replace or repair complex aluminium structures, like those on Tesla models.   The body structure differs from conventional vehicles. The manufacturer promotes the use of gigacastings, large-format structural parts that are made of aluminium in a single casting. This ...

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The good news for the UK aftermarket is that the car parc is ageing. But along with the increase in work comes added responsibility to ensure customers’ cars run as smoothly as ever. Here, TotalEnergies outlines how age resistance technology is helping preserve older vehicles.  As the rising cost of living bites, seven out of 10 independent ...

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MANN-FILTER, experts in automotive filtration, explains why you shouldn’t even consider cleaning your customers’ air filters.  The air filter is an often undervalued filter, with the ‘oil and filter’ interim service or perception that the air filter is of secondary importance to the engine commonplace. There are many stories of air filters being cleaned or ‘blown out’ to save ...

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Motaquip reveals some of the techniques required for quick and accurate air mass meter diagnosis.  Air mass meters (AMMs) measure the mass of air entering the engine, providing the ECU with the data it needs to calculate precise fuelling for efficient combustion and low emissions. Using a temperature-controlled platinum sensor, airflow is translated into a signal the ECU can interpret – but what ...

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