The Audi 90 was the final evolution of the Audi 80. It appeals to drivers with high-quality 90 timing belt idler pulley parts. The timing belt idler pulley is installed through the center of the engine, so the smooth part of the timing belt rotates the pulley to dampen the friction and heat. A faulty timing belt idler pulley can lead to stalling, an overheating engine, and the surface can become corroded.
Whereas, the worn timing belt idler pulley parts need to be repaired or replaced for better performance. The 90 timing belt idler pulley parts are used to help ensure the timing belt is routed correctly. Signs of the worn-out 90 timing belt idler pulley parts include: belt slips off the pulley, pulley no longer spins, and squealing noise coming from the device. There are much better and smarter 90 parts and devices. We are here for you 24/7 online.