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  1. I

    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Yes, Jeff - my worries were also as you bored into - the oil properties essential for doing the job. Of course, in the study of automotive oils, as many know the additive packages are what is key to lasting. From what I understand the base will last much much longer than the additive packages...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Anyone checked out the 'gasket' material on those tensioner covers? My guess is that this material is the culprit of all this related nonsense since w/o it's failures we likely have no reduction in oiling. I would also guess that the bean counter got involved. Just like the last version of...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Andy - good for you, let's keep in contact with each other. Can you share with me what's going on with your fuel? I hope you've reached out to Ford on that. Jeff - let's see if this works - first time attaching. The only number of note is iron, hence why I'll swap now and trend. I hope...
  4. I

    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    WOW - quite the activity in a few days. Thanks for all who provide constructive comments. Suffice to say that some of y'all (Southern term) might be amazed (unlike I) that the boys from Blackstone who did my analysis might even suggest that I keep the same 15,000 mile change interval. Yes...
  5. I

    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Do you have particular part numbers for those pieces? They don't look to be very involved. I would almost think as a preventive measure replacing them (if easy) would be a proactive thing to do at some point in time. In my usta career, gaskets was one of my areas of expertise. It's hard to...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    If, in fact the pressure on this rail is metered (i.e. a small orifice on the feed side), then a ruptured gasket like that can have significant effects on pressure. It depends on total flow (design) through the line and how much extra flow these gasket leaks can allow.
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Thanks for the feedback, gents. Trainmaster - I had not yet learned of what you purport regarding gaskets - I'll try and dig further on that. Your explanation makes much more sense to me regarding oil pressure degradation due to a failing gasket and my local bud/shops explanation of damage...
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    Battery issues advice...

    Clearly proper charge is key. As an FYI, however, temperatures where the battery sits have an impact on life. I see a Texas flag - we're lucky to get three years out of batteries ubder the hood in So. Fla. My Genesis on the other handlasted a long time in the trunk.
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    OK - how about a reset. I just got a nice private apology from one of the above dudes (I'll let him mention who he/she is if so inclined). I'll now apologize for my post immediately above this one; as much as I try and let it go by me, sometimes my button gets pushed as well. So... back to...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    I did NOT ask for anecdotes. I simply asked what folks have done with regard the use of objective data and oil analysis in the prediction of subject failures. That's a far cry different than asking people to piss on my parade since I choose different bases for my maintenance schedule. Go back...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Can you just please let it go? I'm being respectful. Please try on your own part. I don't wish to go down that path. You are entitled to your opinions. I don't have to agree, but I respect it. You are part of the large population of folks that think mileage (and perhaps color of the oil) is...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Aye, Vey! Sometimes I wonder. Anytime you folks wish to opine on topics with or without data on topics not related to what is respectfully asked, please do so somewhere else. I'm simply trying to see if this topic has been addressed. I've seen two affirmative comments regarding how "An oil...
  13. I

    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    Passages being blocked may be due to poor filtration or introduction of foreign material; modern day quality filters are just starting to be efficient at their job approaching 15K miles. The passages that purportedly are being 'blocked' are FAR, FAR greater in size than the particulate matter...
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    Oil analysis as a predictor for cam phaser/timing chain/cam/follower issues?

    I have a '12 EL XLT with 67,000 miles on it. Other than leaking front struts right at warranty expiration that Ford would not warranty and the tow/haul button that recently fell apart, it's been an excellent vehicle. One of my buds who is in the business and was religious about oil changes...
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    Towing, tow package?

    Here's what I tow!
  16. I

    Towing, tow package?

    Too funny!!! Obviously a fat fingers day when originally building the references. Now corrected to 2012. Do you still want a photo?!!
  17. I

    Towing, tow package?

    How much are you planning on towing and how often? Generally factory ratings have some conservatism in them. If you are towing at or near the rating infrequently, I would not worry about extra cooling unless you've actually tried it out and seen where you cannot maintain the normal...
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    2010 Ford Expedition XLT

    My OEMs started leaking right at end of warranty, Ford woudn't do squat. Yes, Bilsteins here as well. Great warranty, great shocks. I had to grind my control arm a tad to get the old ones out.
  19. I

    2012 - Safe to change plugs myself without breaking any plugs

    And the simple engineering involved is that cylindrical clearances increase with temperature, thereby reducing the opportunity for binding (being galling or whatever). Furthermore, the yield temperature (i.e. the point at which the material plastically deforms) of the aluminum alloys in the...
  20. I

    2012 - Safe to change plugs myself without breaking any plugs

    Manuporshutup - you may or may not know that manuals are NOT written at a time where there is alot of field experirience to the recommendations. The techs (after ALOT of practice) are usually the folks that tell the best means to an end. I'm sure the retired tech is not analy extracting as you...
  21. I

    2012 - Safe to change plugs myself without breaking any plugs

    Sorry - damn android! I was saying for cars where the intake comes off, I was planning on doing coils at same time. For the expo, are coils holding up? Does the intake have to come off for plug R&R?
  22. I

    2012 - Safe to change plugs myself without breaking any plugs

    How are the coils? My last 2 cars I had coil issues near the 100K mark, so I have relegated myself to doing
  23. I

    Solved! Another fuel pump disaster

    Please keep us posted. Yes, ground issues can do very strange things. Way back in the day I built a Cobra replica based on 5.0L Mustang parts. I was smart enough to test each circuit as installed, so when I was done I wouldn't have issues running the car. When I went to run the car, it ran...
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    Why an Expedition?

    Bought a 2012 EL XLT 3 years ago with 24K miles. Needs? 4500# boat (dry) - with trailer, full tank of gas and full load of gear approaching 7000#. Have a bud who has had an excursion, then a 2011 Expedition and loved the Expedition. As others have stated, GMs engineering lags Fords. The...
  25. I

    Solved! Another fuel pump disaster

    You obviously know troubleshooting well, and did the right stuff. If I had to guess, you have a bad cell (or even 2) - where they short intermittently. Typically under load the cells will heat up, the plates then move a little - it they touch - boom - a short then loss of that 2.2V per cell...

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