Due to the different measuring and manufacturing processes of V-belt manufacturers, length specifications are different from one manufacturer to another. The pitch length describes the measurement of the length at approximately 3/4 of the belt height according to din 2215. In addition, the tension of the belt specified by the vehicle manufacturer must also be taken into consideration for a reliable measurement of the length, since this is also an important factor in the production process. Due to these different measurement methods, there may be different V-belt sizes from different manufacturers on the same vehicle. Since it is located behind the variomatic and is not immediately visible, it is always worth taking a look behind the variomatic to check the condition of the oil pump belt an.
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