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A Brief Guide to Exhaust Manifolds

5/2/2012 6:20:48 PM | by Anonymous


Exhaust manifold is a vital part of a car engine. A malfunctioning manifold affects the other parts of the car until it totally destroys the engine. Any car would not run for long without an effective exhaust manifold.


Manifolds are long tubes with several lateral inlets or outlets used to collect or distribute liquid, oil or gas. An exhaust manifold receives exhaust gases from the cylinders and moves the gases toward the catalysts and mufflers and out of the exhaust pipe. It can be made of iron, tubular steel or lightweight aluminum. It is intended to be heavy duty in order to withstand high temperatures. To resist cracking and improve strength, those with thicker castings are preferred to be used nowadays. Exhaust manifolds is a manifestation of the differences in the performance and total output on every car’s engine. It can increase power output and improve fuel economy. This is one reason why a vehicle runs better and faster compared to others.


Time is the biggest villain of every object and that includes engine parts. No matter how careful you drive or frequently wash your car, there are specific components that need to be maintained. It is recommended to have manifolds checked every few years. An unclean manifold will develop rust and over time will accumulate resulting to prevention or blockage of water flow. The engine will then overheat creating a terminal damage. There are signs to let you know when an exhaust fold is deteriorating. It is nearly failing when the engine is difficult to start and running roughly, and the vehicle is producing white smoke. If you can hear a tapping, ticking or popping sound, it may be an indication that you have a leaking exhaust manifold. You might miss these signals so it is best to have the manifolds looked at by a mechanic.

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