Mopar 4556730 Exhaust Manifold

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To remove the exhaust manifold, unbolt the negative battery terminal connection from the ground stud on the left shock tower. Release the parking brake and turn rear wheels and raise the front part of the car and firmly place it on jack stands. It is recommended that penetrating oil be applied to the head exhaust pipe fasteners so as to ease removal; the fasteners joining the exhaust pipe to the exhaust manifold are then to be removed and the two separated. Unbolt or unclasp the seal ring or gasket if any, and disconnect the wire harness from the upstream oxygen sensor, unbolt the heat shield to the exhaust manifold bolts, and then, take the heat shield out. After that, unlock the exhaust manifold bolts and wrench out the exhaust manifold; it is possible to also need to pull off the exhaust pipe to do this. For inspection, scrub the exhaust manifold bolts using the wire brush and replace all those that have a damaged thread. Scrape all gasket material off exhaust flange surfaces and make you do not harm the sealing surface also check the exhaust manifold-to-cylinder head mating surface and the cylinder head with a straightedge and a feeler gauge; if it warps beyond specification, replace or resurface. For installation, clean the mounting bolt threads with Loctite No. 271, replace with a new gasket that does not require any sealant and tighten the manifold and bolts in three step sequence in a progressive outward manner to the prescribed torque. Last but not the least, follow the backward sequence to complete the remaining steps of the task and before tightening the final nut connecting the exhaust manifold and the exhaust pipe make sure to place a new gasket or seal ring and rev up the engine to look for exhaust leaks.

Remove the power steering pump bracket and detach the exhaust system from the manifold, which may require partial removal of the exhaust system.