Chrysler 5080395AB Valve-EGR

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Function of Exhaust Gas Recirculation (EGR) is to lower oxides of nitrogen (NOx) and to prevent detonation due to high combustion temperatures caused by the-recirculation of a small amount of charge gases into the intake manifold. It comprises an EGR valve, EGR control assembly or transducer as well as metal tube installed between the exhaust manifold and the EGR valve. EGR valve is of vacuum diaphragm type which opens in response to a vacuum signal from the intake manifold, the extent of opening depending on the strength of vacuum as modulated by the control assembly/transducer. First, in order to replace components you must take out the air filter housing along with the air intake duct of the vehicle Next, you must retract the Power Distribution Center or POC from the air filter housing bracket and set it aside. Then, the case: unbolt the EGR tube the intake manifold; unclip the EGR transducer bracket; disconnect the vacuum supply hose to the EGR vale control assembly and the backpressure hose to the transducer. Remove the electrical connector from the transducer, and the vacuum line from the EGR valve Then, remove the bolts holding the EGR tube at the EGR valve side and take out the EGR tube noting the location of the O-ring at the intake manifold end, it maybe deformed and should therefore be replaced. Last of all, pull off the two bolts of EGR valve to get the EGR valve and transducer assembly out, and get rid of the old EGR valve gasket; in addition, when reinstalling the valve, replace the gasket and tighten the EGR valve and EGR tube bolts to the standard torque setting.