Mopar 4892154AD Exhaust Manifold And Catalytic Converter

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Block the rear wheels, set the parking brake, raise the front of the vehicle, and support it securely on jackstands.

Begin by removing the engine cover and disconnecting the negative battery terminal.

Start by raising the vehicle and securing it on jackstands. If applicable, spray penetrating oil on nuts and bolts for easier loosening. For 2.4L engines (2014 and earlier), remove the oxygen sensor and rear portion of the exhaust system, then detach the converter from the exhaust manifold. For 2.7L engines, remove the front exhaust manifold/catalytic converter by disconnecting oxygen sensors and other components. For rear exhaust manifold/catalytic converter, remove the engine cover, splash shield, crossunder pipe, and oxygen sensors. For 3.5L engines, remove the front and rear exhaust manifold/catalytic converters by disconnecting oxygen sensors and other fasteners. For 3.6L engines, remove the rear catalytic converter by loosening clamps and fasteners, then guide the converter out from the bottom. Before installing the converter, use anti-seize compound on threads and tighten the fasteners securely. Installation is the reverse of removal for all models.

Tighten the mounting bolts starting in the middle and working outward in several increments to the specified torque.

Disconnect the downstream oxygen sensor connectors and remove the under-vehicle splash shield if equipped. Unbolt the exhaust pipes at the exhaust manifolds.

Remove the heat shield and manifold brace, unplug the oxygen sensor connector, and unscrew the mounting bolts to detach the manifold along with the old gasket.

On the rear manifold, remove the right front driveaxle, lower the vehicle, and take out the exhaust manifold heat shield mounting bolts/nuts to remove the heat shields.

Start by raising the vehicle and securing it on jackstands. If applicable, spray penetrating oil on nuts and bolts for easier loosening. For 2.4L engines (2014 and earlier), remove the oxygen sensor and rear portion of the exhaust system, then detach the converter from the exhaust manifold. For 2.7L engines, remove the front exhaust manifold/catalytic converter by disconnecting oxygen sensors and other components. For rear exhaust manifold/catalytic converter, remove the engine cover, splash shield, crossunder pipe, and oxygen sensors. For 3.5L engines, remove the front and rear exhaust manifold/catalytic converters by disconnecting oxygen sensors and other fasteners. For 3.6L engines, remove the rear catalytic converter by loosening clamps and fasteners, then guide the converter out from the bottom. Before installing the converter, use anti-seize compound on threads and tighten the fasteners securely. Installation is the reverse of removal for all models.