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BodybyFisher

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BodybyFisher last won the day on May 4 2023

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About BodybyFisher

  • Birthday 07/07/1953

Previous Fields

  • Car Model and Year
    91 Seville & 96 Deville
  • Engine
    Northstar 4.6L V8 (LD8/L37)

Contact Methods

  • AIM
    mike44ny

Profile Information

  • Gender
    Male
  • Location
    Northeast
  • Interests
    Northstar, Cadillac, Computers, Electronics, Tools, Pools,

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BodybyFisher's Achievements

  1. 1991 Eldorado & Seville Service Manual 1994 Deville/Eldorado/Seville Service Manual 1996 Deville/Eldorado/Seville Service Manual 1988 Eldorado/Seville Service Information Manual 1988 Product Service Publications Hydra-matic 4T80-E transmission technicians guide 110 years of Cadillac (Assouline) history Northstar waterpump socket (cast unit not stamped) Northstar flexplate lock 1996 Cadillac dealer brochure detailing all models Cadillac 1950s (55/56 a guess) original bulb kit in box. Tech 2 OBD 1 and 2 reader, bi-directional capability, live data (knock off unit) no programming capability These items have served me well and should be with someone who needs them. If there is any interest direct message me for prices, condition and photos.
  2. First I have ever heard of anything like this.
  3. Sounds like you have narrowed down the problem. Do this when you get a moment, tear off the end tank (bend the tabs/flange) on the intake side and look at the cross tubes, my gut tells me they are going to be gunked up. I would have the engine professionally reverse flushed if you are finding rust. Dumb question I don't know the answer to >> does the LT1 have cast iron heads?
  4. July 7th, my birthday! 70! I am hoping for a 70th edition C8, we will see 🙏😄 The learning never stops. If this 11,000 mile waterpump is toast already things are worse than I thought. Do you recall where it was made? You can't even assume an 11K part is good anymore, amazing. Can't wait to see the result here You gotta stop winding that Fleetwood out to 9,000 RPM Adallak lol
  5. PLASTIC? I'm looking forward to the solution on this one, Armen 🍿🍿🍿
  6. I would buy the Harbor freight block tester and test the coolant, to eliminate that from the potential list of problems. While at idle check that the upper hose is holding pressure. If the upper hose were cold it would indicate that no coolant flowed through it. 11,000 miles on the pump should eliminate that unless the impeller backed off but that would be a fluke. I can't help but think the radiator is plugged and gunked up.
  7. Keeping my fingers crossed you get back to a cool 181° 👌 good luck with that radiator swap
  8. I think that is a smart thing to do. It is very possible that years of cooling system tablets has built up and is clogging up the radiator. Looking forward to your results. Don't forget to add more tablets 😉😀 I also didn't think the 5.7 needed the tablets, I know the 4.9 and NS needed them.
  9. You have no misfire or vapor out of the exhaust, so my initial feeling is no blown headgasket. You can use the block tester to test for hydrocarbons in the cooling system, I recently saw the block tester kit at Harbor Freight at a good price compared to the $50 balkamp make. You have checked to make sure all air is out and you aren't getting cavitation? Intermittent fans, might be difficult to diagnose if a fan motor is stopping when it should run. Check the lower hose for collapsing How old is the radiator? I don't think 195 is anything to panic over, even though you saw lower temps yesterday. AC is operative? Check for "tar paper" material blowing over the radiator partially restricting the air flow through the radiator. Are you getting any transmission codes? A slipping torque convertor clutch might generate more heat. Just brain storming here.
  10. Yea the easiest thing to do would be to buy an ac Delco thermostat to eliminate that possibility. Air in the system will cause bad heat and overheating if anything.
  11. Ok, so you don't have a fan clutch. You have electric fans. Are they turning on 100%, because of a fault in say the AC compressor? Some faults cause the fans to default on when they shouldn't be on at all for safety. Can you pull codes?
  12. I just edited my comment reread it regarding the fan clutch
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