Mopar 5192090AB Valve-EGR

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For the first 60,000-mile interval in specific states, Dodge dealers perform EGR valve cleaning at no cost. To clean the EGR valve on diesel models, remove it along with the EGR valve motor and shim, then disassemble the valve components, including the keeper retainer, keepers, and valve spring. Clean the valve housing surfaces and other areas with a plastic scrub brush and soak the assembly in a solution of Mopar EGR system cleaner and water. Rinse, dry, and reassemble the valve components before installation. For EGR cooler cleaning on 6.4L HEMI and diesel models, disconnect battery cables, drain the cooling system, and remove various components like the air filter housing, turbo outlet tube, alternator, and more to access the cooler. Remove the EGR cooler and discard the gasket, then clean it with hot tap water and a cleaning solution. Rinse, dry, and reinstall with a new gasket. Finally, reset the "Emissions System Service Required" light by following a specific procedure involving the accelerator pedal and key positions without starting the engine.

To remove the EGR valve, first remove the air intake duct and the air filter housing. Disconnect the electrical connector from the EGR valve. Then, remove the EGR tube mounting flange bolts. Next, remove the EGR valve mounting bolts and discard the old gasket.

The EGR system reduces NOx by recirculating exhaust gases from the exhaust manifold through the EGR valve and intake manifold, diluting the air/fuel mixture and cooling the combustion chambers to reduce emissions.

For diesel engines, remove the cover from the EGR crossover tube, loosen clamps, remove bolts, disconnect wiring, pry off the valve assembly, clean sealing surfaces, and replace gaskets. Diesel models may also have an EGR cooler located under the intake manifold or on the exhaust manifold.

To clean the EGR valve on diesel models, you need to remove it along with the EGR valve motor and shim. Then, disassemble the valve components, including the keeper retainer, keepers, and valve spring. Clean the valve housing surfaces and other areas with a plastic scrub brush. Soak the assembly in a solution of Mopar EGR system cleaner and water. Rinse, dry, and reassemble the valve components before installation.