Olds. Aurora 98 Overheat..

1998 OLDSMOBILE
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INTELLECT2505
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Please help. I have an Olds. Aurora 98 that overheats excessively. I have changed the thermostat 3 times along with repl. the water pump. ac tensioner w/belt, new radiator and bottom raiator hoses.The thermostat appeared. to work after replacing.This is my last ultimatium b4 considering buying engine ( I love the car) please help me.. I can not afford any more guesses. There is alot of white smoke coming from the exhaust. The vehicle is at 150,000 miles.
Oct 22, 2007 at 6:39 PM
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RASMATAZ
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Sounds like headgasket is gone, could also be the head or block is cracked

Have it block and pressure tested-do the block first to pinpoint a combustion leaking into the cooling system or a gas analyzer to sniff for hydrocarbons at the radiator fill neck.

Pressure test: do not do a pressure test if there's leakage at the headgasket this might cause coolant into the cylinders and lock it up or bend a connecting rod if cranked thereafter. The headgasket should be repaired before doing the pressure test.
Oct 22, 2007 at 6:52 PM