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How to Replace an EGR Valve in a 3 8

The exhaust gas recirculation valve is an essential part of your engines emissions system. Its job is to recirculate a precisely measured amount of exhaust gases back into the engine, thereby decreasing unwanted nitrogen oxide emissions. On older model vehicles, the EGR valve is typically mechanically controlled. With newer model vehicles, the EGR valve is most commonly electronically controlled.

Instructions

1

Disconnect the negative battery cable from the battery, using the socket wrench and the appropriate sized socket.

2

Locate the ERG valve on your engine. It will either be bolted to the intake manifold or the exhaust manifold depending on your 3.8 engine.

3

Disconnect the air supply hose, vacuum hose and/or electrical connections from the EGR valve. You might need the screwdrivers for this step.

4

Remove all the bolts that mount the EGR valve to the intake manifold/exhaust manifold, using the socket wrench with the appropriate size socket.

5

Remove the old EGR valve and gasket.

6

Install the new gasket and EGR valve after making sure the mounting surfaces are clean. You may use the putty knife for this step.

7

Attach all hoses, wiring and bolts that were previously disconnected.

8

Reconnect the negative battery cable to the battery, and then take the vehicle out on a test drive.

Posted by Unknown at 4:45 AM

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