1983 Fleetwood Brougham d'Elegance Project - Page 3
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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; Wow those came out really good! Nice work....
  1. #31
    outsider is offline Cadillac Owners Connoisseur
    Automobile(s): 1987 Brougham D'Eligance, 1969 Calais Sedan, 1995 FWB
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Wow those came out really good! Nice work.
    grauhst and grauhst like this.

  2. #32
    Robin Banx's Avatar
    Robin Banx is offline Cadillac Owners Fanatic
    Automobile(s): 1983 Fleetwood Brougham
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Those emblems you have restored look great. You must be a watchmaker!! BTW your car is very nearly the twin to mine. As an aside, when I watched your startup video, I noticed that your ISP motor (Idle Speed Control) was bumping the throttle before you started cranking. The reason it does that is because it has either been replaced and the proper sequence steps have not been followed during the re-connection or someone has disconnected the original and not followed the proper steps in reconnecting it. When you turn the key to on and before you crank the engine, you should not hear a "bump, bump, bump" from the engine room. BTW, I'd like to see your engine room after you clean and detail it. It should clean up really well.

    Cheers.......R.
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  3. #33
    lacville78 is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I love seeing posts like these! Thanks for joining.
    grauhst and grauhst like this.

  4. #34
    1980coupe's Avatar
    1980coupe is offline Cadillac Owners Connoisseur
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    there's a guy on layitlow that goes by MR.LAC and he sells them brand new and NOS and they're inserts..for those who would like to restore their emblems...

  5. #35
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
    Automobile(s): 1983 Fleetwood Brougham d'Elegance, 1974 Lincoln Mark IV
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Thanks alot,

    @ Robin Banx,
    great hint with the ISC Motor. I was wondering, what's pumping there, but you're right, it is the ISC Motor.
    I made a short video to be sure.
    I will set is as described in the Service Manual, but at first I need the ECC Control Module to check out for trouble codes.



    I also made a picture. Anybody knows, what is the upper green plug is for? It is disconnected.



    I have another problem. The car doesn't have enough vacuum. I take notice when braking. It is almost like without brake boost. (If I am driving a minute, brake boost is normal)
    Cruise control is not able to work properly too. I take notice of a movement in the throttle pedal, but it is not strong enough to hold the speed.

    So I have to look for a vacuum leak. Could it be possible, that the vacuum pump is worn? Is it common? How can I test it, if I wont find a vacuum leak?

    @ Robin Banx,
    great, that we own almost same cars.
    Do you have some pics of yours, what are the differences? Yours is in Woodland Haze too?

    Best Regards
    Felix

  6. #36
    TopherS is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    I believe the green plug is used for electrical testing, but I'm not sure what plugs into it and what it is testing. Others could tell you better. My 1987 Brougham (5.0L V8) has the same thing.

    Regarding your cruise control not holding speed; I've had a couple of cars that had the same problem (1984 Oldsmobile Cutlass Supreme (3.8L V6), 1986 Chevrolet Caprice (5.0L V8)) and a friend's 1988 Oldsmobile Custom Cruiser (5.0L V8) also had the same problem...I recall hearing that this is a somewhat common problem with GM cruise control systems. If I remember correctly, it is a vacuum leak causing the problem. I never got mine fixed (never had the money or the know-how) and it was over 20 years ago, so I cannot remember exactly what was needed to fix the problem. Hopefully others can chime in with the solution for you.

    Good luck and keep us posted.

  7. #37
    Robin Banx's Avatar
    Robin Banx is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Felix, it looks as if your A/C compressor belt tension lock bolt and block is missing. I will snap a photo of mine and try to post it here but up to now I have never been able to post pix from "My Pictures" folder to the forum. And yes my car is the same colour as yours but is called "Light Briar Brown" as far as I know. On the firewall tag it shows 62 top and 62 bottom. I will try to send you a PM.

    Cheers..........R.

  8. #38
    Vitaqueen is offline Cadillac Owners Member
    Automobile(s): 95 fleetwood brougham, 01 Seville, 06 dts
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Your cars are very beautiful. Very nice job on the tranny rebuild. I had a 1987 Brougham that I was in love with. Sweet memories! Enjoy every mile, my friend.
    grauhst and grauhst like this.

  9. #39
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Thanks alot to you.

    I will look for either a vacuum leak, a false connected- or a worn vacuum pump.

    Regards
    Felix

  10. #40
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Hi,
    today i looked for the vacuum system.
    There is no leak and the pump is connected correctly.
    The service manual says that the vacuum pump has to reach at least 29". I checked mine with a vacuum gauge and it reaches ~10", so it is totally worn.
    I will repace the pump and it should be enough vacuum again.
    Regards
    Felix

  11. #41
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Hi, today the ECC Control Head arrived.
    Now the Fuel Monitor works great. ECC too, but the blower and AC doesn't work. Could it be possible that the power module on top of the evap. core is broken too? Seems to be typical.

    Trouble Codes:
    27: "Open Throttle Switch Circuit"
    33: "Map/Baro Sensor Correlation"
    52: "ECM Memory Reset Indicator"

    I haven't look for the solutions yet to repair them. Maybe anybody have ideas for them?



    Thanks
    Felix

  12. #42
    lacville78 is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    "the 52 code will set every time the battery is disconnected. It will disappear after a number of engine starts. Disconnecting the battery is almost always a bad idea. When power is disconnected: the RAM of the computer is wiped-out and the control system reverts to the default ROM to run everything engine related. The ROM was used when everything was brand-new out of the box. The RAM is what the computer uses to 'tweak' the control systems in order to obtain the best possible performance given the less than brand-new out of the box conditions. Until the RAM is rebuilt the engine will not perform the best it can. RAM is the 'learned history' and dumping it isn't a good idea."

    27: Likely the ISC motor will need to be replaced...although some have dissassembled the ISC motor and cleaned and lubed the closed throttle switch contacts with success.....

    33
    e33 - Open MAP Sensor Signal (make sure MAP sensor is plugged in or replace)

  13. #43
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Thanks a lot for the tips.
    The battery was disconnected, because as I bought the car, there were no battery in. But now the battery is fastened in permanently.

    The ISC Motor needs to be set again anyway. Maybe some has disconnected it sometimes and havent connected it the right way.

    Thank you for the tip with the MAP sensor. I will replace it.

    When i read out the trouble codes, the "outside temp" lamp was on too. The service manual says something with A/C cluth operation.
    I made a short video of the trouble codes.

    Anything I made wrong? Does it say anything else information?

    Thanks
    Felix

  14. #44
    jamespowers is offline Cadillac Owners Enthusiast
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    52: engine oil temperature circuit, low temperature indicated

  15. #45
    grauhst's Avatar
    grauhst is offline Cadillac Owners Fanatic
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    Re: 1983 Fleetwood Brougham d'Elegance Project

    Are you sure?

    I think, lacville78 is correct.
    My service manual says:

    "Code 52 indicates that the "long term" memory in the ECM has been reset.
    This will be the case whenever power is removed from the ECM (i.e. disconnecting battery cables, disconnectin P-1 (blue) ECM connector, etc.)
    This code should be "cleared" from memory after resoring the ECM's power supply."

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