1983 Fleetwood Brougham d'Elegance Project - Page 12
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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; I agree!!!...
  1. #166
    carnut is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I agree!!!
    grauhst likes this.

  2. #167
    grauhst's Avatar
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Yes I noticed this way described in the manual.

    But as I did it the first time, it wasn't possible to retract the plunger far in. It was fully extended. That's why I want to set it to the fully retracted position as long as the battery is still disconnected. I hope that it is the better starting situation while setting it later to the hot engine.

    For the ISC it wasn't possible to come out because it was fully out. That's why it makes that "bump bump" at the beginning.

    This video shows it:


    I will let you know how this turns out when connecting the battery the first time and starting the engine.

    Btw the ordered rocker arm pivot still hasn't arrived yet. This is annoying... weather is getting worse and finally I want to register it...

    Regards
    Felix

  3. #168
    carnut is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    The battery must be connected as well as the wiring at the ISC to retract it! Turn the key to run, wait for the "bumping" to stop, THEN press on the extended shaft till it retracts, then QUICKLY remove harness to the ISC. Now turn in the ISC shaft (its threaded) until the throttle arm rests on the minimum idle screw on the throttle body. Continue to turn the shaft till you have .060 gap. In normal operation the ISC is always touching the throttle arm at idle.
    grauhst likes this.

  4. #169
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Aaah... did I understand it correct that the plunger automatically retract when I push it in? I believe this is my problem because it seems that it doesn't work. The last time when I tried to set the ISC it hasn't done anything. It was just the complete way out.

    Felix

  5. #170
    carnut is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    You must keep constant pressure on the shaft to have it retract. Again, key on, battery connected, wiring connector plugged into ISC. Once retracted, quickly remove wiring plug on the ISC or you will short out the ECM.
    grauhst likes this.

  6. #171
    cadillac_al is offline Cadillac Owners Connoisseur
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Quote Originally Posted by carnut View Post
    You must keep constant pressure on the shaft to have it retract. Again, key on, battery connected, wiring connector plugged into ISC. Once retracted, quickly remove wiring plug on the ISC or you will short out the ECM.
    Don't you have to give it some throttle to make it retract?

  7. #172
    carnut is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    You have to open the throttle to be able to press on the shaft!

  8. #173
    grauhst's Avatar
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Ok it seems that something is wrong there.

    Today the rocker arm pivot arrived and I put everything together:



    valve cover and new vacuum pump


    water hose and air cleaner housing without cleaner element. That's if timing is too early and it fires back while starting it the first time. Don't want to burn my hood insulation.
    As I said previously I will paint these parts next year in summer.




    As I filled up the new coolant, it immediately leaked out at the thermostate housing. That was what I have expected, it was a hell to install and I thought that it maybe won't be tight.

    Ok startet the engine and it fired right up. This video was taken immediately after starting it:
    Don't wonder, the valve lifters are very loud but they went quiet a few moments later.


    That's it. Can't set the timing because I am still waiting for the timing scale.
    Tried to set the ISC but it is not possible.
    That was before starting it the first time:


    But it doesn't retract again....
    I don't understand it, the engine runs faster and faster and it wasn't possible to set it. I pressed the plunger in but nothing happened. I think something is broken.... maybe the ISC?

    Anyone have an idea?

    Regards
    Felix

  9. #174
    carnut is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    You must press hard and continue pressing it till it slowly retracts. Should take 20 seconds or so to retract. You will feel it bottom, then quickly unplug its wire harness. I have the harness partially disconnected prior to retraction, in other words, the retainer clip unlatched, so it pops off quickly. I hear belt noise on the 1st video. Is the smog pump belt tight?

  10. #175
    grauhst's Avatar
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Pressed hard and a few seconds but 20 seconds?? Haven't expect that. Will try again.

    You're correct with the smog belt.

    Felix

  11. #176
    carnut is offline Cadillac Owners Master
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Best to do the retraction with the engine running and up to temperature! Remember, .060 in. clearance done with a flat feeler gauge between the tip of the ISC shaft and a fully closed throttle arm. If the gap is correctly set, the car will idle very very low, like 450 to 500RPM. That's why I say to do this with the engine to normal temperature. If its not warmed up, it might stall out with the idle that low. Fix the coolant leak first! If the smog pump belt is loose, the alternator will not fully charge the battery. You must tighten the belt from under the car.

  12. #177
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    It doesn't sound like it's idling that high in the first video; seems to run kinda rough though. The 2nd video, the ISC is opening the throttle so it seems like it is working to me. I think your getting close.

  13. #178
    grauhst's Avatar
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I tried everything, pushed the plunger about 30 seconds very heavy but nothing happened.
    Everytime when I put the key to "run" the ISC expand. Now it is fully extended again and make that "bump bump".
    I think there is something broken with the ISC. It doesn't retract itself.

    Look at it, it is fully extended:


    I think I will look for a new ISC motor. Maybe some contacts are broken or whatever.

    I will uninstall the water pump to tighten the thermostate housing again. Started today:



    Have to take off the steering pump pulley and waiting for the special tool.

    Regards
    Felix

  14. #179
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    pulled off the pulley




    water tube from thermostate housing to intake


    thermostate housing


    took off the water pump


    installed the water pump again. took off the smog pump too because it wasn't possible to tighten it.

    that was the reason.. wrong direction.


    put in everything again. Still waiting for the timing scale. If it will arrive, I can put the water pump and crankshaft pulleys in and look if everything is tight now.


    Best regards
    Felix

  15. #180
    Cadillacboy's Avatar
    Cadillacboy is offline Cadillac Owners Connoisseur
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I admire your consistency , you never step back and nothing daunts you bringing back such a beauty back to it's pristine condition
    talismandave and grauhst like this.

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