Diagnostics 34 www.aftermarketonline.net JUNE 2026 Access to accurate information is essential Avoiding a costly mistake on a SEAT diesel repair Aftermarket magazine found out how ALLDATA Europe’s Info Centre team has assisted a customer who needed help identifying the correct positioning of a balance shaft module on a 2018 SEAT Alhambra 2.0 diesel engine. Because the balance shaft module needs to be aligned with the crankshaft, and incorrect handling can lead to serious engine damage, access to accurate information is essential for a successful repair. After searching ALLDATA without finding the required details, a customer with a 2018 SEAT Alhambra 2.0 diesel contacted the Info Centre team. One of ALLDATA’s experts, a former master technician, guided them to the relevant OEM repair information, which clearly stated that the balance shaft module must not be loosened. The alignment between the crankshaft and balance shaft module cannot be restored using standard workshop tools because it is factory-set using specialised equipment and precise reference points that are not accessible during normal repair procedures. This alignment is critical to ensure the balance shafts rotate in sync with the crankshaft to counteract engine vibrations effectively. If the module is loosened and this link is lost, it cannot be accurately re-established with standard equipment, which can lead to increased vibration, component wear and potentially serious engine damage – making this guidance essential to completing the repair correctly. By gaining access to this information, the technician saved time, avoided potential pitfalls and ensured an accurate repair. Without manufacturer-specific references, there was no clear guidance for correct assembly, meaning reliance on experience, markings, or assumptions would have amounted to guesswork. This would have increased the technical risk, labour time and costs, and potentially exposed the workshop to liability if the repair led to component failure or engine damage. Minimize errors and reduce risk While ALLDATA provides access to over 107 million technical articles and more than nine-and-a-half million wiring diagrams and drawings, covering more than 165,000 vehicle combinations – the equivalent of 97% of vehicles on Europe’s roads – certain procedures can be complex, open to interpretation or difficult to locate. In these scenarios, the Info Centre gives subscribers direct access to experienced in-house specialists. They can quickly identify the correct guidance, clarify critical details and highlight essential warnings that might otherwise be missed. This not only saves valuable workshop time, but also helps ensure repairs are carried out accurately, reducing the risk of costly errors and potential liability. www.alldata.com/gbr/en
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