Understanding modular coolant hose failure

Cooling systems have grown increasingly complex in recent years, as more and more vehicles became turbocharged or were equipped with battery packs that needed cooling. These days, many coolant hoses branch off to various components, and are typically outfitted with connectors and sensors. In this article, we’ll discuss the ways in which these modular hose assemblies, as they’re known, can fail.

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timing belt change


Timing belt change on a VAG 1.0 3-cylinder petrol engine

Engine technology is evolving rapidly, as manufacturers continue to improve their designs to meet increasing efficiency and performance demands. The recent VAG 1.0 3-cylinder petrol engine, with its non-round camshaft pulleys, is a case in point. Ensuring belt tension optimisation, these special pulleys do require a specific timing belt change procedure, which we will elaborate on below.

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electric water pump


The unique characteristics of electric water pumps and the main causes of their failure

A 50% increase in cars with electric water pumps is expected over the next four years. Being a fairly new technology, electric water pumps tend to break down for various reasons, from too much demand placed on the pump, to contamination due to inadequate sealing. In this article, we’ll discuss these causes in more detail, and zoom in on the unique advantages of electric water pumps over their traditional counterparts. 

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Did you know there are different types of bolts for TVD fixation?

As a result of increasing vibrations inside engine compartments, practically all car manufacturers use torsional vibration dampers (TVDs) or harmonic balancers in their engines to reduce vibrations and increase comfort for the driver. But when a TVD needs replacement there are various types of bolts of which some need to be replaced because of technical requirements and others can be re-used.

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Oil contamination can be detrimental to the automatic tensioner


Oil contamination can be damaging to the automatic tensioner

The harmful consequences of engine oil dripping on the timing belt are widely known, yet few people realise that oil has equally detrimental effects on the automatic tensioner. In most engines, oil contamination reduces damping, causing the tensioner to lose control over the engine dynamics and resulting in high arm movement. Ultimately, this will lead to engine failure.

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Tensile cords in automotive belts


Tensile cords in automotive belts: clearing up a common misunderstanding

Every automotive belt is reinforced with tensile cords, which form the backbone of the belt. Without them, your Micro-V® belt or timing belt would be a mere rubber band. When a timing belt or a Micro-V® belt breaks, many mechanics blame the tensile cords, assuming that the point where they are ‘knotted or welded together’ is the belt’s Achilles heel. Read on to find out why this supposition is wrong. 

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The importance of knowing (and following) the torque specs

Torque specs are crucial information whenever you make repairs and you want to do a proper job. In this article, we discuss the consequences of applying too much or too little torque, as well as the importance of using a torque wrench and/or a torque angle gauge.

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Opel/Vauxhall engines and chassis (VIN) numbers: clearing the confusion

Opel/Vauxhall engine numbers and chassis (or Vehicle Identification Numbers, VIN) numbers have long been a source of confusion. When looking for parts or kits, you only have to pay attention to the last six digits of the engine number (the first two digits refer to the production plant). Similarly, the eleventh digit of the chassis (VIN) number identifies the manufacturing plant and does not belong to the serial number itself. Read on to find out more!

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