With a six-cylinder engine, all auxiliary units are powered by a wide drive belt - a V-ribbed belt. Thanks to the automatic tensioner, this belt should last 120,000 km before a preventive replacement is made.
With a four-cylinder engine, there is also such a multi-ribbed belt with automatic tension for the generator, servo pump and viscous fan. But in this case, there are other belts:
Traditional non-adjustable V-belt for water pump.
Short V-ribbed belt with rigid tension adjustment for the air conditioner compressor.
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