Q: I have a 2006 Kia Optima with 64,000 miles and it sits outside 24/7. When it’s wet, the car makes a screechy noise in the morning as I leave for work. It lessens as I accelerate, but when I start ...

Despite doing so much, most of us forget the serpentine belt even exists — let alone that its tension matters. But it does. A lot. Too tight and it'll grind bearings to dust. Too loose and you're ...

The Volvo D13 engine is a highly reliable and efficient engine widely used in commercial vehicles. Like all internal combustion engines, it requires proper maintenance to ensure that it runs smoothly ...

If you have an internal combustion engine that actually runs, then your camshafts are spinning twice as fast as your crankshaft. Change the rate at which either of the two spins in relation to one ...

Over-tensioning shortens not only the life of V-belts but also that of the sheaves, electric motor, and driven equipment bearings. In extreme cases, it can even bend or break a motor shaft.