Obtaining perfect balance is important to your engine's performance. The harmonic balancer reduces torsional vibration of the crankshaft, which is the motion naturally generated during each power ...

QUESTION: My friend Sammie has been nursing along a 1989 Pontiac Bonneville with a 3.8 liter engine that has what her mechanics call a “bad harmonic balancer.” As I understand them, these devices are ...

Question:I have a 1993 Ford F-150 with the 5.0-liter engine, E40D transmission, and four-wheel drive. The harmonic balancer is rattling loose on the crankshaft end. Is it pressed on? How do I remove ...

A clever invention, it’s called a harmonic balancer repair sleeve, or “seal saver,” and not only is the device a fast, easy, and inexpensive means to rehabilitate a worn-out harmonic balancer, the ...