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It's a big chunk of cast metal that bolts to the exhaust ports of an engine and joins up with the exhaust pipe. In a 4-cylinder engine, usually all 4 ports connect to just one exhaust pipe. In a six, usually the exhaust ports are combined 3+3 and then each bank of 3 either has its own exhaust pipe, or they are combined again somewhere underneath the car into just one pipe.

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Q: What is an exhaust manifold?
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How do you install an exhaust manifold on a Renault?

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.


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In the exhaust manifold on the back of the engine.In the exhaust manifold on the back of the engine.


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