The Ford Expedition exhaust manifold that you have should effectively route the exhaust gases from the cylinder head to the exhaust system. This manifold also has to serve as the connection point for your Expedition’s exhaust pipe. There might be two exhaust pipe connections in your Ford depending on the engine configuration and the number of exhaust manifolds. The year, make, and emissions equipment installed can also affect the exhaust manifold’s mounting location for hardware of the air injection system or for an oxygen sensor. To effectively run with such functions, you should have a high-quality Replacement Exhaust Manifold. Some exhaust manifolds have heat riser valve, controlled by a temperature-sensitive spring. This valve is designed to help divert hot exhaust gas into a different passage within the intake manifold so that better warm-up drivability is attained. Though your exhaust manifolds are not replaced with other exhaust system parts, you should check their conditions periodically to assure that they are tight and free from cracks. Such maintenance will keep the exhaust pipe securely mounted. A ticking noise during acceleration or the sound or smell of leaking exhaust may stand as a sign of leak at the manifold or its connections. This leak will let the exhaust gas out and allows oxygen to enter the exhaust stream. In case you are looking for a new Replacement F960766, our online store is here to assist you. Equip your Ford Expedition with high-quality parts from Replacement so as to assure that you will run it with complete ease. Call us toll free for further queries and clarifications about your Replacement products.