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  1. Classic Cadillac Forum
    Hello, I recently bought some LED headlights and changed them out from the halogen bulbs on 1984 Cadillac Eldorado Biarritz. They all work when I tried them, but now the outer two won’t come on. So the middle 2 closest to grill come on, but the outer two won’t. I verified each one worked...
  2. Seville and Eldorado Forum
    I was on my way home last night from a friends at about 2am, while driving on the freeway I was coming up on my exit and started to ease up on the gas pedal. All of a sudden I feel the car basically start slowing down, a lot, so I try to accelerate and it’s not. I put it to the floor and...
  3. Seville and Eldorado Forum
    I’ve had this issue in the past where my wipers were stuck on no matter what I did, at one point I jiggled the wiper motor and got it to turn off. Then when I turned it back on in the rain they were stuck on again. What ended up fixing that was I tightened the battery connections because they...
  4. Seville and Eldorado Forum
    1984 eldorado with bad 4100, can a 368 motor be used? If so what else would be needed to make the swap successful. Thanks !
  5. Seville and Eldorado Forum
    I have an 84 Eldorado that I recently purchased a few months ago. After I bought it I had to get the transmission rebuilt. Once it was rebuilt I drove it for the first time from the shop to my house, about 80 or miles. The drive started off fine but along the way it acted like it didn’t want to...
  6. Seville and Eldorado Forum
    I’m new to the Cadillac family and I recently purchased a 1984 Cadillac Eldorado Biarritz and I didn’t know until I got there that the car would not go in gear. You can shift it but it never catches any gear. I had someone look under the hood and everything is connected as it should be. I called...
  7. Seville and Eldorado Forum
    I just got a 1984 Eldorado Convertible Biarritz. Runs ok but it was shutting off on me after a 30+ minutes of driving. Local Mechanic did a engine pressure test / drove it around and told me I would need to rebuild my engine. I do need some restoration stuff on it too. I am in the Los Angeles...
  8. 20201101_130036.jpg

    1984 Cadillac Eldorado biarritz (ruby) with the top down. This is a car i am restoring from being in a scrap yard
  9. Seville and Eldorado Forum
    I successfully rebuilt A/C system on my 1984 Eldorado Biarritz hardtop with a new compressor and dryer and converted it to R-134a. The A/C system itself now works well as I get very cold (35-40 degrees lower than ambient temperature) when I set the system to either "Low" or "High," even on the...
  10. HT4100 4.1, 4.5, 4.9
    Hello, my name is Alex and I recently purchased a 1984 Cadillac Eldorado Biarritz with the horrid, faulty, problematic HT4100. I’m really starting this thread to learn and grow as a mechanic and to learn more about my car. So, so far, this is what I know! There are very obvious stains in the...
  11. Eldorado Parts For Sale or Wanted
    Hey guys, i recently purchased an 84 Eldorado, project car. 86k original miles, great condition, no rust, no body work just needs to be maintenanced. As i am learning the hunt for parts is not easy, but it is fun. I am currently looking to find the door lock knobs, one broke. Or if i can just...
  12. 984 Eldorado Cadillac

    I never owned a cadillac before.
  13. 1984 Eldorado Cadillac

    I just bought it from my Buddy.
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