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Thread: Blocking the EGR Valve

  1. #501
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    So my guess is that solenoid and EGR 'related' butterfly valve per photos is not directly part of the porting of exhaust gasses from the exhaust manifold to the intake or inline on that system. But it's there. and plumed into somthing. I'm guessing exhaust post turbo to aid in ensuring EGs are recirculated and forced to by the part closure of the exhaust system?

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  3. #502
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    So its for closing the main exhaust for forcing EGR... 6.JPG

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    Quote Originally Posted by quicksand500 View Post
    So its for closing the main exhaust for forcing EGR... 6.JPG
    what you are looking at here mate is not what is on your Patrol. The pics I uploaded above are. What you have highlight looks like an exhaust brake setup.
    Last edited by mudski; 4th January 2019 at 03:30 PM.

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    Quote Originally Posted by quicksand500 View Post
    So my guess is that solenoid and EGR 'related' butterfly valve per photos is not directly part of the porting of exhaust gasses from the exhaust manifold to the intake or inline on that system. But it's there. and plumed into somthing. I'm guessing exhaust post turbo to aid in ensuring EGs are recirculated and forced to by the part closure of the exhaust system?
    Look at the two pics I put up. The top is the butterfly thingo I mentioned, showing the diaphragm, the second is the EGR system, From the pipe post exhaust, around the back of the motor to the EGR cooler, and then the EGR valve at the front.

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    Yeah I understand the differences in the setups per your pics. Only that per my ACTUAL photo i posted of the diaphragm, this exhaust butterfly is part of my emissions system, that functions via the solenoid also in photo. I thought it was plumbed directly inline with the the porting of EX gasses in the EGR system and could be disabled in lieu of blanking plates. Turns out this is just as bad and forces gasses to be recirculated many times over while the main exhaust is cut.

    Guessing i'll be placing EGR blanking plates as well as disabling or removing the exhaust butterly parts!

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    Quote Originally Posted by quicksand500 View Post
    Yeah I understand the differences in the setups per your pics. Only that per my ACTUAL photo i posted of the diaphragm, this exhaust butterfly is part of my emissions system, that functions via the solenoid also in photo. I thought it was plumbed directly inline with the the porting of EX gasses in the EGR system and could be disabled in lieu of blanking plates. Turns out this is just as bad and forces gasses to be recirculated many times over while the main exhaust is cut.

    Guessing i'll be placing EGR blanking plates as well as disabling or removing the exhaust butterly parts!
    Up to you, but you will be wasting your time removing the exhaust butterfly parts on a CRD. Or A Di for the matter. Its a total intake removal job. And the benefits you may think you will gain by doing this, wont be so. Been there,done that...
    Blocking the EGR, as said, is a five minute job. If you've got time on your hands, go for it, might as well give the manifold a good clean out too while your there.

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    Yeah I just went out to grab some pics but can't see the damn thing, plus is well over 40C here so will try later.

    I have the plates for both ends for blocking EGR off. Will do that first then. Keep hearing about inconsistent boost control thereafter and needing daws valve. And throwing engine codes to keep resetting?

    The diaphragm I can see the vacuum lines going to is waaaaay down behind the block. Are you sure that will require the complete intake removed?123123.JPG

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    Hi guys, I'm in need of some help. I'm trying to block off the EGR, but not sure where it is all located... yeah ok may seem a silly question to some... bit its driving me insane please help....

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    Quote Originally Posted by Mel77 View Post
    Hi guys, I'm in need of some help. I'm trying to block off the EGR, but not sure where it is all located... yeah ok may seem a silly question to some... bit its driving me insane please help....
    There's no silly questions just silly.. oh.. never mind. Head over and post an introduction. Then come back and read this thread from the start. If you've still got questions after that I'm sure some of these knowledgeable folk will help you out.

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