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still clattering on cold start

Thread in 'Maintenance / Service' started by Ed Fenwick, Jan 15, 2020 at 3:09 PM.

  1. Ed Fenwick

    Ed Fenwick Well-Known Member 1st Gen Owner

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    Well, I just had a Motorcraft rear timing chain tensioner put in. The clatter is just the same, (a split second on cold start). The mechanic assured me that he primed the thing before putting it in!
    So now is there anything else other than lifters that require oil pressure that would clatter?
    I have some Lucus oil stabilizer, it says that it will prevent dry starts. Shall I put 5 quarts of that in? Maybe just 1 but I am getting frustrated with this motor. Approaching $4500. so far.
    thanks God bless Ed
     
  2. Todd Z

    Todd Z Well-Known Member 2nd Gen Owner V6 Engine V8 Engine

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    Worn timing chain, or Broken plastic parts for the timing chains... Common problem.... you don't have a dry start issue.... you have a slack or broken parts issue... Changing tensioners will not fix it.
     
  3. Ed Fenwick

    Ed Fenwick Well-Known Member 1st Gen Owner

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    Thanks Tod, in August I had the chains and tensioner plus related stuff replaced. Someone suggested that since it was a NAPA tensioner it may have failed. Also, some folks don't think it necessary to prime the tensioner. So I made sure that this mechanic did prime the thing. The clatter is still there. Today I will have my ear under the hood and listen, but from inside the cab, the sound is the same as it always was.
     
  4. EddieS'04

    EddieS'04 Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    ED, Get a mech- stethoscope or a piece of garden hose. listen up and down the valve covers.
    If you have new chains and all the rest. It maybe a bad rocker or a lifter.
    Just guessing.
    Lord Bless..
     
  5. Ed Fenwick

    Ed Fenwick Well-Known Member 1st Gen Owner

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    Yea but the thing is if I drive 10 miles or more, it sounds quiet the next morning. Just like pumping up the oil pressure. otherwise, it clatters.
     
  6. Todd Z

    Todd Z Well-Known Member 2nd Gen Owner V6 Engine V8 Engine

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    What oil filter do you run?
     
  7. Ed Fenwick

    Ed Fenwick Well-Known Member 1st Gen Owner

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    Motorcraft, Napa Gold, Wix premium, Mobile 1, no difference
     
  8. Todd Z

    Todd Z Well-Known Member 2nd Gen Owner V6 Engine V8 Engine

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    Any one ever take the oil pan out to see if their is a failure?? Some people have had internal tensioners ( jack shaft) leak and cause this.
    You could have plastic parts in the pan causing low oil issue too.
     
  9. Ed Fenwick

    Ed Fenwick Well-Known Member 1st Gen Owner

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    Thanks Todd, when the mechanic replaced the chain, guides et all, he saw that the oil pan had a lot of plastic which he cleaned out.
     
  10. Todd Z

    Todd Z Well-Known Member 2nd Gen Owner V6 Engine V8 Engine

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    yes, But there may be damage again and parts in the pan, OR the pump was damaged. Just because there is new stuff doesn't mean it didn't fail.
     
    swshawaii likes this.
  11. swshawaii

    swshawaii Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    ^ Ditto Todd. We're going in circles here.
    "NONE OF THIS WILL HELP IF YOU HAVE A BOTCHED TIMING CHAIN JOB OR THE NEW PARTS ARE FAILING."
    https://www.sporttrac.org/threads/motocraft-oil-filter.122412/#post-1037706

    "Ed, BEFORE installing a pre oiler you must diagnose your intermittent oil pressure problem. Praying you won't find plastic tensioner guide bits clogging the oil pick up tube and passages, but that's what it sounds like. If you're RWD it's pretty easy to drop the pan. 4WD is a little more involved because of frame clearance issues. Good luck, we're hoping the best for you."
    https://www.sporttrac.org/threads/motocraft-oil-filter.122412/#post-1037715


     
  12. Ed Fenwick

    Ed Fenwick Well-Known Member 1st Gen Owner

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    Oh Todd, I really hope not. I don't want to go through this again. The Ford is not worth selling my house. Is it easy to get the pan off? Ed
     
  13. EddieS'04

    EddieS'04 Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    Yes if you are 4x2. The bottm pan is just a flat peice of metal. The upper aluminum part is mainly a girdle and windage tray.
    If you drop the flat steel portion. You should be able to check for trash...
     

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