Wanted to clean EGR but what have those engineers done now
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Northstar Engines and System Technical Discussion Discussion, Wanted to clean EGR but what have those engineers done now in Cadillac Engine Technical Discussion; Went to pull the EGR valve on my 95 Deville Coucours, should be simple right? Two bolts holding it on ...
  1. #1
    jsjag is offline Cadillac Owners Member
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    Wanted to clean EGR but what have those engineers done now

    Went to pull the EGR valve on my 95 Deville Coucours, should be simple right? Two bolts holding it on and away we go but nope. Some engineer decided to mount the fuel rail on top of the oine EGR mounting bolts. What!!!!!!

    Really? Seriously? Will this simple 15 minute job turn into hours or am I missing something?
    Attached Images

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  3. #2
    amunderdog is offline Cadillac Owners Enthusiast
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    Re: Wanted to clean EGR but what have those engineers done now

    It probably looks totally different with the engine on a stand.
    We always swore the engineers should be the first ones to work on there creations.

  4. #3
    jsjag is offline Cadillac Owners Member
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    Lightbulb Re: Wanted to clean EGR but what have those engineers done now

    Been reading about this matter. There may have been a recall or retrofit to the stainless fuel rail. I'm guessing that it was out of the realm of engineering to create a two part fuel rail attachment at the EGR that would allow removal from the EGR bolt.

    Engineering disasters cost we the consumer a lot of money and I consider this EGR arrangement to be a disaster.


    Quote Originally Posted by amunderdog View Post
    It probably looks totally different with the engine on a stand.
    We always swore the engineers should be the first ones to work on there creations.

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Wanted to clean EGR but what have those engineers done now

    Nope, you're not missing anything. I can't recall for sure, but I though it was a bit easier after the recall was accomplished and the SS fuel rail was installed. You have had that done, right?

  6. #5
    jsjag is offline Cadillac Owners Member
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    Re: Wanted to clean EGR but what have those engineers done now

    We got the car in 07 and it had already had an engine replacement. If it is SS it is poor quality because I can see rust on the outside but maybe it is poor quality. Other than the engine transplant that the previous owner had done, I've only done tuneup stuff.

    If there was a recall could it still be in effect? Is there a dangerous defect hazard that I don't know about. Sometimes things for as long as the life of the car. My attack seat belts in the Jaguar are warrantied for life.

    If the recall still used the same method to attach the rail, I doubt if it is easier. If there is a lifetime recall I could call the local caddie dealer and maybe they can run the vin. It is a Calif. car and I am in the northeast.

    Quote Originally Posted by Ranger View Post
    Nope, you're not missing anything. I can't recall for sure, but I though it was a bit easier after the recall was accomplished and the SS fuel rail was installed. You have had that done, right?

  7. #6
    Ranger's Avatar
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    Re: Wanted to clean EGR but what have those engineers done now

    Recalls are safety related and I do not believe there is an expiration date. If your recall was done you will have a SS fuel rail. If not, it will be a black nylon rail (yellow arrow) running from injector to injector like the picture.


    This diagram shows the individual nylon "rail" between injectors.



    This is what the SS rail will look like.

    Attached Images

  8. #7
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: Wanted to clean EGR but what have those engineers done now

    call any cadillac dealer and have them run your VIN through the warranty/recall system and it will show up if it is still out there
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership - family owned and operated in Wilmington, NC since 1946
    We offer all forum members deals on parts and freight - e: parts@rippyautomotive.com ph: 800-RIPPY-22
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  9. #8
    jsjag is offline Cadillac Owners Member
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    Re: Wanted to clean EGR but what have those engineers done now

    The car is at work with my wife but I am fairly certain that I have the second picture with the SS rail.

    But if I remember the supply lines look like those in the first picture and I definitely have the connector piece that fits over the EGR bolt.

    I don't have a quick connect tool to loosen the fuel rail/supply lines but I can get one.&nbsp;&nbsp; I'm just PO'd at the moment that I have to go through the extra work to remove the rail that IMHO is crazy. I have 6 cars in my house and I am always busy on them. Well make that 5 cars because two weeks ago the XJ40 engine seized and I have no idea why.

    This I do know, I've had the EGR off every one of our cars (to clean them) except the Caddie and without an exception I had them removed in 15 minutes or less.

    Quote Originally Posted by Ranger View Post
    Recalls are safety related and I do not believe there is an expiration date. If your recall was done you will have a SS fuel rail. If not, it will be a black nylon rail (yellow arrow) running from injector to injector like the picture.


    This diagram shows the individual nylon "rail" between injectors.



    This is what the SS rail will look like.


  10. #9
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Wanted to clean EGR but what have those engineers done now

    The straight runs on the steel fuel rail are covered in a black plastic shield that incorporates the injector locks. Don't let the black plastic sway your view- the rails LOOK very different.

    If the XJ-40 engine is anything like the old XJ-140 MC engine, the crank split in half at the center main bearing.

  11. #10
    jsjag is offline Cadillac Owners Member
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    Re: Wanted to clean EGR but what have those engineers done now

    I put a socket on the crank pulley nut and had a big breaker bar, that sucker would not budge! Had the car 13.5 years and got my money's worth but now I am jag-less. The first time in almost 19 years that I am jag-less.

    I know that I saw rust (#00 steel wool would probably take off) on the outside of the rail and it has to be metal. IMHO it isn't the best grade of SS. I have a SS counter out of a commercial kitchen and I use it outside. It has been sitting outside for 30 years and there is only rust at one or two the weld spots.

    I'll double check tonight when my wife gets home and post a picture.

    Quote Originally Posted by Submariner409 View Post
    The straight runs on the steel fuel rail are covered in a black plastic shield that incorporates the injector locks. Don't let the black plastic sway your view- the rails LOOK very different.

    If the XJ-40 engine is anything like the old XJ-140 MC engine, the crank split in half at the center main bearing.

  12. #11
    vincentm's Avatar
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    Ive always like Jaguars

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    Ranger's Avatar
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    Re: Wanted to clean EGR but what have those engineers done now

    Quote Originally Posted by Submariner409 View Post
    The straight runs on the steel fuel rail are covered in a black plastic shield that incorporates the injector locks.
    Not if it was a recall replacement. As I recall those where plain old shiny SS.

  14. #13
    jsjag is offline Cadillac Owners Member
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    Re: Wanted to clean EGR but what have those engineers done now

    Here is what my fuel rail looks like.
    Attached Images

  15. #14
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Wanted to clean EGR but what have those engineers done now

    Quote Originally Posted by Ranger View Post
    Not if it was a recall replacement. As I recall those where plain old shiny SS.
    Yup ^^^ - Whole different critter from the 2000 and later rails. Live and learn.

  16. #15
    maeng9981's Avatar
    maeng9981 is online now Cadillac Owners Connoisseur
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    Re: Wanted to clean EGR but what have those engineers done now

    I remember it was quite easy to shift that out of the stud.

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