Mopar 5037390AB Intake Manifold

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Disconnect the cable from the negative terminal of the battery.

To remove the upper intake manifold, start by relieving the fuel system pressure and disconnecting the battery cable. Then, remove the air filter housing and label and disconnect the hoses and electrical connectors attached to the intake manifold and throttle body. Remove the bolts securing the EGR pipe and the brackets from the throttle body and upper intake manifold. Loosen the upper intake manifold bolts and lift the manifold from the engine. Clean the mounting surfaces and inspect the O-ring gasket. If it's in good condition, it can be reused. Install the gasket into the groove in the upper intake manifold and then install the manifold onto the lower intake manifold, tightening the bolts in a circular pattern.

Loosen the lower intake manifold mounting bolts/nuts in reverse order until they can be removed by hand. Carefully break the gasket seal without prying between the manifold and the heads.

Relieve the fuel system pressure.

To install the upper intake manifold, align it with the lower intake manifold and tighten the bolts according to the specified torque.

To remove the upper intake manifold, start by relieving the fuel system pressure and disconnecting the battery cable. Then, remove the air filter housing and label and disconnect the hoses and electrical connectors attached to the intake manifold and throttle body. Remove the bolts securing the EGR pipe and the brackets from the throttle body and upper intake manifold. Loosen the upper intake manifold bolts and lift the manifold from the engine. Clean the mounting surfaces and inspect the O-ring gasket. If it's in good condition, it can be reused. Install the gasket into the groove in the upper intake manifold and then install the manifold onto the lower intake manifold, tightening the bolts in a circular pattern.