Abstract
This paper concerns the assessment of the impact of tyre pressure and additional vehicle loading which is inconsistent with the manufacturer’s requirements on the results of wheel alignment measurement. a sample of results from tests performed on a second generation Toyota Prius and a fifth generation volkswagen Passat are presented. The tested vehicles differed in the types of front axle wheel suspension. an analysis of the obtained results was conducted. The analysis revealed differences between the results of reference tests performed in accordance with the requirements of vehicle manufacturers and those conducted for incorrectly prepared vehicles. The values of these differences depended, inter alia, on the type of suspension.