1983 Fleetwood Brougham d'Elegance Project - Page 8
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 1983 Fleetwood Brougham d'Elegance Project in Past Cadillac Vehicle Discussion; Did the photo he posted look like a leather wheel to you? I thought it looked just like the new ...
  1. #106
    talismandave's Avatar
    talismandave is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Did the photo he posted look like a leather wheel to you? I thought it looked just like the new one he put on, but with an after factory cover sewn on it.

  2. #107
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    It is an original leather one underneith the cover.



    Regards
    Felix

  3. #108
    talismandave's Avatar
    talismandave is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Ahh!...nevermind....

  4. #109
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Ok, today I took the driver side valve cover off. It was leaky and oil dropped onto the spark cable of the last cylinder.

    someone took some cans of bathroom silicone and built an artwork of silicone. The whole "V" between the intake and cyl.head was filled up with silicone.


    everywhere silicone


    valve cover


    the silicone artwork




    new stuff


    before cleaning


    after... chrome is not perfect, but better than before.


    this is the reason, why I stopped it today. There is oil in the head and it doesn't flow down to the oil pan. Is it normal?? I haven't found any holes where the oil could flow downwards. Does the 4100 cylinder heads have no oil holes???
    Oil is running into the cylinder. When I started the car the last time, it smoked hell like oil at the beginning. That can't be normal.


    just a provisorium. Looks strange to the rest of the engine.


    best Regards
    Felix

  5. #110
    csbuckn is offline Cadillac Owners Connoisseur
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Interesting find on the oil in the head. It should have drainback holes in there somewhere. I wonder if this is a major reason why the 4100s have bearing issues...lack of oil at higher rpms. I'd be tempted to suck it out and find the drainback holes. I dont think I'd poke around in fear of pushing a clump of gunk down to the oil pan. Also a good catch on the silicon, that would really do a number on your oil pump also.

  6. #111
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Googled some pics and looked into the Shop Manual. Haven't found oil holes!
    Here are a lot of people with HT4100, does anybody have pulled off the valve cover someday and could say something about my problem?

    I think I will take off the other valve cover too. If there is no oil, I have to look for the holes.
    I will took out the oil of the driver side head and look for them.



    Regards
    Felix

    ----------

    EDIT:

    look at this... I don't see any drain holes.

    Link

    Regards
    Felix

    ----------

    EDIT:

    now I am on the right way....
    There can't be any holes!!!
    The HT doesn't have a classic "block", it has only 4 cylinder bearings and around it there is only coolant water. There is no way and space for an oil drain.
    So the only way the oil can go is about the push rod holes. It should be totally normal that the oil is standing in the head.

    Look at the block.... Link

    Regards
    Felix

  7. #112
    Big_Al1911 is offline Cadillac Owners Member
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    As painful as this is to post (I have an '85 with HT4100): http://www.popularhotrodding.com/fea...obile_engines/
    Scroll down to the second mention of the HT4100.

    "The cylinder heads were fitted with very small oil drainbacks that were no larger than a pencil. This spelled disaster when teamed with excessively loose valve-stem-to-guide clearance. It was common for an HT 4100 to fill the valve covers with oil after the drain backs plugged. Then the oil would get sucked past the valve guides, creating not only excessive oil consumption, but carbon in the guide. This resulted in sticking valves."

    Now I'm thinking I should check mine.


    -Big Al

  8. #113
    grauhst's Avatar
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    You're correct!
    Searched the Service Manual again and there they say that there are 2 little drain holes:

    "Oil drains from the cylinder heads into the valve lifter compartment thru two drain holes and retrns to the oil pan through the gap between the lifter carrier and the block."

    What do you think, could that be possible?



    Regards
    Felix

  9. #114
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    jayoldschool is offline GM RWD V8 addict
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I know on my mother's 84, when I change the oil, if I pour the fresh oil in too quickly, the valve cover will fill up, and oil will leak quickly out of the back of the valve cover gasket. Pretty sure it is where the "V" in the gasket meets the intake. I'll try and run a pipe cleaner in those holes when I do the gaskets.

  10. #115
    grauhst's Avatar
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Damn, I believe I have a bigger problem...

    Found the holes and tried to make them free. There was very hard oil coal and mud in there (don't know the american words for it).
    I wasn't able to make the whole hole free, because it doesn't go a straight way. It turns half way into another direction. How the hell can I clean them?
    I fear, that I have to take off the intake and go from this direction....





    Aaaaargh.....

    Any ideas? Does anybody have a disassembled cylinder head and could look for the holes where they are on the intake manifold side?
    Are they any chemicals that could dissolve the oil mud/coal in these holes?

    Felix

  11. #116
    csbuckn is offline Cadillac Owners Connoisseur
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    Compressed air?

  12. #117
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Flexible bore brush. For rifles. I'm sure that they make them for engines, too.


  13. #118
    Bro-Ham's Avatar
    Bro-Ham is offline Cadillac Owners Connoisseur
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    Great project thread! Great car! I love reading these stories of hard work keeping these lovely old cars going, and also looking fantastic! Keep it up!
    Cadillacboy and grauhst like this.

  14. #119
    Big_Al1911 is offline Cadillac Owners Member
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I don't know if a bore brush is going to make it. A rifle has a straight bore--they are not designed to turn corners. But if one could come at it from both sides those wire bore brushed would be the way to go. You can get them in a diameter that would be a slight interference fit to clear the crud out.

    I don't know how sharp the turn is, but perhaps a small spring could be used to fashion something similar to a drain auger, like one uses to clear a sink drain?

    I must say, this does not sound like a very effective design for draining the oil.

    -Big Al

  15. #120
    talismandave's Avatar
    talismandave is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Two things come to mind.

    Bunn coffee makers like are sold for commercial use give you a flexible spring about a 1/4in dia. for cleaning them out. It is designed to bust calcium deposits out of the copper tubing that spirals around inside of them and quite effective. We just had to go to a restaurant supply and buy one for our machine at work for a couple bucks.

    The other is a 1/4 dia. drain snake. They are very similar and about $6.00. Cut the coil off the end and it may work. They do not seem as flexible as the Bunn cleaning rod.

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