Fan belts and other rubber drive belts can squeak or squeal if they’re not correctly adjusted for tension. Usually, a too-loose belt will be the cause, and to fix it, you need to slacken off the ...

Despite the complexity of modern vehicles, they still use technologies that have been a part of humanity’s toolbox since The Holy Roman Empire. Pulleys are believed to have been used in ancient ...

One common misconception is that belts will slip more frequently on composite pulleys than on metal pulleys. Not so! The wedging action of V-belts is so efficient that slip should never be an issue; ...

Serpentine drive belt systems have been standard equipment on new vehicles for quite some time. Much more efficient than multiple V-belt drives due to reduced friction, a single, flat drive belt also ...

Replacing belt-driven fans with hydraulic fan drives makes off-road vehicles more productive and fuel efficient and helps OEMs meet Tier IV clean-air standards. • Belt-driven fans pull air through the ...

Fatigue failures observed in a belt-driven engine cooling fan indicated the presence of significant vibration activity. A testing and analysis program was undertaken in an effort to measure the fan ...