...Autobiz Tech Helpline Autobiz Helpline Tim Stock Temperature and pressure relationships in AirCon systems In a recent edition, we explored the common issues faced by workshops diagnosing modern air conditioning systems, and the issue with compressors that had failed to operate, for man...
...Common rail diesel injection has been around for many years now, and technicians have been familiar with the processes required when diagnosing these systems… until now. The vehicle in question was a Ford Galaxy 2.0 TDi fitted with a KNWA engine built from 2010. The vehicle cut out whi...
...Every year, with the onset of the hot weather, we are overwhelmed with requests for A/C system re-gassing. But this year we have been seeing more complex diagnostic issues appearing after a year of lockdown, vehicles have not been used as much, especially the climate control. In the pa...
...Mercedes C CLASS - Non start problem Normally, when the owner of a diesel complains of a starting problem, it is expected to be either low battery or fuel related. So I would expect the job to be either checking the charging rate or the glow plugs. The owner of this 2008 Mercedes C200 Ele...
...Opel Corsa - An easily fixed oil leak Oil leaks can often be very tricky to track down and sometimes difficult to fix. Replacing an oil seal will not always remedy the problem if the system is pressurising. What may appear to be a straightforward job is not always so. The first proble...
...One of my regulars asked me if I would connect up his 2004 VW Golf 1.9 TDi to my scanner, in an attempt to try and identify an ongoing problem he had been having. Every now and again, the engine would start to behave in an erratic fashion and the Check Engine light would come on. The...
...Citroen C3 - Cooling fan problems The fan running constantly and then its failure was due to the water which had penetrated the control module The majority of the driving, that the owner of this 2015 Citroen Picasso had been doing over the past few weeks, was around town. He had paid...
...Škoda Roomster - Steering mishap The impact had been absorbed by the track control arm which had bent and now required replacing Many years ago I worked as a mechanic for a large company, with a large fleet of vehicles. It was a standing joke that if when we came in to work, to disc...
...Mercedes C-Class - Worn water pump With the pump removed the wear on the body from the impeller could be seen, this was the source of the noise The engine bay on modern vehicles has been very efficiently soundproofed to give a quieter and more enjoyable drive. This has an advantage,...
...Tales from the Autobiz Helpline Modern alternators - Modern major issues Typical LIN controller information retrieved directly from the alternator In the beginning, we had a low electrical demand on vehicles and the humble Dynamo coped well. As more electrical systems were added, and th...