A water pump is vital to a car engine’s operation because it ensures the coolant keeps moving through the engine block, hoses and radiator, and maintains an optimum operating temperature. It is driven by a serpentine belt (aka accessory belt or auxiliary belt) from the crankshaft pulley.
The brake shoe is a curved piece of metal with high-friction material (the brake lining) attached to the outside of it. It is attached to the backing plate inside the brake drum with a series of springs and levers, and rests against the hydraulically operated wheel cylinder.
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A hill holder is an automatic device, also known as hill hold by VW and hill-start assist by Audi and Ford, that activates when you press the foot brake when the car is at a standstill and usually on an incline.
The lifespan of a vehicle is almost impossible to quantify. That’s because any vehicle is made up of thousands of individual components, each of which has been designed and engineered to last a certain amount of time before age and fatigue cause it to fail or need to be replaced.
An expansion tank is one part of a complex overall car cooling system that’s designed to keep the engine operating at exactly the right temperature. In the sealed cooling system that’s present on most cars, it is partially filled with air. The air in the expansion tank provides a ‘cushioning’...