Question about 1998 Cadillac Eldorado

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Over heating changed trmo and water pump still over heats on highway

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The radiator could be blocked either internally or externally you need to have a good look at the radiator core it may be blocked with insects or other matter,if so you may be able to flush it out with a garden hose from the inside, also check that the bottom radiator hose hasn't gone soft & flattens restricting the water flow,check this when the engine is at normal running temperature by revving the engine & watch to see if the hose is flattening, there are not too many other things that can cause this problem........cheers

Posted on Aug 06, 2010

  • lpizzini Aug 07, 2010

    Took radiator out and had it cleaned and it check out ok. Bottom radiator hose has a wire spring in it and is not flattening. Sure could use some help.

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