What is Muffler and How does it wok? Mufflers are part of your vehicle’s exhaust system and are located at the rear, bottom of your vehicle. They aid in dampening vehicle emissions and engine noise. They are made of steel and are coated with aluminum to provide protection from the heat and chemicals released from the exhaust system. Mufflers are used mainly to dissipate the loud sounds created by the engine’s pistons and valves. Every time your exhaust valve opens,...

The oil pan is mostly made of the thin steel plate and equipped with oil stabilizing baffle plate inside to avoid the right side vibration and splash caused by diesel engine bumping, which is conducive to the precipitation of lubricating oil impurities. A dipstick is installed on the side to check the oil quantity. In addition, a drain plug is installed at the bottom of the oil pan.  Dry oil pans are used in many racing engines. It does not...

Valve Cover Replacement A valve cover is pretty much what it sounds like: A metal cover that sits inside the engine that covers the gasket and keeps the oil inside.  That is a good thing. The valve cover is sealed with a cork or rubber seal that keeps any oil from leaking out.   Oil is used in your engine to keep the internal parts lubricated and working well.  Without the oil, the engine would part seize, or freeze together.  When...