The PYD decouples the belt drive from the rotational irregularities of the internal combustion engine, with a specifically designed arc spring isolating the belt pulley from the crankshaft. The PYD is mounted directly on the crankshaft. It usually also contains a torsional vibration damper, which is needed to limit the natural vibrations of the crankshaft …

Nissens Automotive is an established aftermarket air conditioning (AC) expert, with a huge range of premium quality replacement AC components in its considerable armoury. Alongside these Genuine Nissens parts, the company has a vast array of technical information it freely makes available to technicians wishing to expand their knowledge base. It also takes the opportunity …

Advanced driver assistance systems (ADAS) are already part of the basic equipment for many vehicles. The number of these vehicles is growing constantly, which means that workshops have more and more customers who bring vehicles with ADAS for repair. In order to be well prepared for this application, TecRMI provides comprehensive repair and maintenance information …

  Vehicle Performance: How the Right Lubricants Can Extend the Life of your Car Every car requires lubricants. Whether it is engine oil, transmission fluid or even a coolant, the car you are driving will need them to operate. But not every car is the same and a one product fits all approach cannot be …

Cause: Poor quality oil (e.g. water or dirt in oil, used oil) Lack of lubrication (blocked oil nozzles) Very high mileage Corrosion Blocked or not working tensioners Poor running shafts (do not turn smoothly) Note: The damage can be detected by a well-run chain tensioner or by a test measurement of the chain pitch. Cause: …

Certain radiators can be used for multiple engine and transmission combinations. As a result, some connections are not used.

Whether you are replacing a timing belt or timing chain, the “Watch and Work” video series provides practical tips on how to replace drive components correctly. Videos are easy to understand, can be replayed at any time and are always geared to the requirements of technicians in auto repair shops. Topic of the video: V-ribbed …

Tensioner Replacement Tips

Problem: Noise from the timing belt drive Cause: When the timing belt drive is tensioned, not only fastening of the shafts (Figs. 4, 5 and 6) but also loosening the camshaft sprocket and the high-pressure pump sprocket (Figs. 4 and 5) are essential. Otherwise, the belt tension is not distributed over the entire belt drive. …

Clean hubs matter! Remember to always clean the hub faces with a wire brush to remove rust, reduce vibrations and noise! It will ultimately prevent comebacks, especially on older cars!