Question about Cars & Trucks
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Posted on Jan 02, 2017
Hi, The EGR valve itself is on a set of flexible pipework - usually stainless steel - which runs between the inlet manifold and the exhaust manifold. The EGR actuator valve is pneumatically / vacuum operated by a solenoid valve, controlled by the ECU ( aka the brane). It's not usual for the EGR valve itself to fail, more likely the solenoid valve or its electrical connector getting dirty. If you google for VAG TDI N75 valve you should get all the info you could possibly ever need :-)
Hope this helps, D.
Posted on Jul 16, 2008
Sometimes you can remove them and clean the carbon build up off of them and lubricate it before you reinstall it. Make sure you can find a new gasket before you take it off. Usually you ruin the gasket removing the EGR. Good luck. Please rate me so I know how I'm doing. Thanks.
Posted on Dec 30, 2008
You have to the EGR valve (sometimes the Intake manifold to EGR Vlalve line also). After you remove it take a drill bit the about 20 % smaller than the actual hole of the outlet side and rotate the drill bit with your hand to dig out the carbon. Aditionally the line coming from the intake manifold to the EGR valve will clog near the connection to the EGR valve. I use either a single piece of copper wire or the wire that you would use to tie ribar together to clean the line. When your done cleaning take a piece of vacuum line and connect it to the diaphram side and **** on it... then plug the line well with your thumb. Grasp the valve and blow thru it... Air should blow thru it freely. Remove your thumb from the vacuum line and try blowing again.. No air should pass thru the valve.
Then reinstall the valve and start the vehicle with the vacuum line disconnected (but blocked off) Use another piece of vacuum line connected to the diaphram again and **** on the line.. The vehicle should die or run really bad. If it does this then you cleaned it correctly.
Posted on Jan 20, 2010
SOURCE: egr valve cleaning
Hello! Cleaning works at times...The EGR is bolted to the back-side of the intake manifold...Two bolts hold it in place...More than likely it's fouled with carbon...However, looking at the age of the vehicle I would recommend replacing it...
Auto Zone sells them for $74.99...The part # is EGR3173...Guru........Saailer
Posted on May 08, 2010
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