Stainless steal or cast iron typically
cast iron
Intakes can be plastic, aluminium, or iron (steel). Exhaust manifolds are always steel or cast iron.
It seals the exhaust manifold to the cylinder head so it doesn't leak and is made of a high temp material.
The exhaust manifold needs to have a gasket in place to help seal the juncture between the manifold and the engine. After the gasket and gasket sealer are in place, tighten the bolts for the exhaust manifold. The exhaust pipe can then be replaced on the new exhaust manifold.
The purpose of the exhaust manifold is to connect the exhaust ports on the cylinder head to the exhaust pipe.
exhaust manifold is where exhaust pipe hooks to engine!
In the exhaust manifold behind the engine.In the exhaust manifold behind the engine.
In the exhaust manifold on the back of the engine.In the exhaust manifold on the back of the engine.
You will need to remove the exhaust manifold retaining bolts in your 1993 Chevy Astro. Remove the exhaust manifold. Remove the exhaust manifold gasket and clean the surface. Reverse the process to install the new exhaust manifold gasket.
an exhaust flange gasket, is the gasket,commonly called a donut that is used to seal where the exhaust pipe is bolted to the exhaust manifold
Screwed into the exhaust manifold.Screwed into the exhaust manifold.
Where is the leak coming from. Most likely you will need to replace the exhaust manifold gasket which will require removing the exhaust manifold.