98 Cadillac Eldorado HELP

  • V8
  • 2WD
  • 202,000 MILES
I have a 98 Cadillac Eldorado, It is in good Condition, and I want to keep it going down the road. Right now I have 202,000 miles, and it take a sec for it to start up. It blows Smoke when Started and I am leacking Antifreez somewhere, we cant find fluid on ground or anywhere else, it is loosing it but we cant find where, we have replaced radiator and put Anti Leak Powder in Antifreeze, also the engine heat gauge sometimes gets hot and than cools back down. I am wanting to either buy another motor or rebuild the one I have, can you give me some of your input on this.
Do you
have the same problem?
Sunday, July 17th, 2011 AT 10:28 PM

1 Reply

The hard start, coupled with the smoke and coolant consumption suggests an internal leak. The overheat is another indicator. To confirm this you can have a block test for the presence of combustion gases in the cooling system. Since you have quite a few miles on the vehicle, you may opt to have it repaired, as that may be the most inexpensive route. The problem is, having the trust in the person working on the vehicle, and that they are going to restore it into factory condition. A major repair performed by the wrong person, can lead you to continual problems, expense, and frustration. The proper repair would include the installation of thread inserts to restore the threads in the engine block, a common reason that the leak occurred in the first place. There are special tools that have been created for this procedure, and they do work. If you were to get 1)a used motor or, 2) a rebuilt, there is no guarantee(or way to tell) that the thread inserts are there. With that amount of miles, and since the powertrain has to be disassembled, you may also consider having other procedures done, to take advantage of the long term savings in labor. Things like oil leak correction if the lower crankcase is leaking, transmission repairs, etc.
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Sunday, July 17th, 2011 AT 11:56 PM

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