and absorb some of the heat generated by a running engine. The oil pump provides the force that delivers oil through galleries and passages around the engine. Oil pumps are usually either inside ...

This pump adjusts oil pressure depending on the oil temperature and engine speed. Anyone who understands the basics of a car's lubrication system knows that in a traditional pump, the pressure ...

Read more: 15 Popular Oil Filter Brands, Ranked Having a failed CP4 pump on your diesel engine would be bad enough. To begin with, new or remanufactured CP4 pumps can cost between several hundred ...

An $8,000 repair this early into ownership has one BMW X5 owner facing a tough decision, and her story might change the way you look at luxury car ownership.