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Re: i have a 1997 chevy lumina 3 1 litter and looks like...
To many years on the road probably was mistreated--don't want to make u feel bad but it may be head engine that is about to die--make sure that the tank water always full,fuel pump clean AND all plugs ok
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sounds like possibly head gaskets, when you overheated probably warped heads causing coolant in oil and coolant in cylinders therefore partially hydrolocking...antifreeze does not compress like fuel vapors .check oil and see if looks like creme to light chocholate color. this means coolant in oil, this is very ******* bearings, eats them up and if thats the problem you loose oil pressure cause bearings are sloppy from being worn. Bottom Line.you might be looking for another enj.or rebuild
check fuel pressure most likely bad fuel pump.
also check your oil sending unit or gauge. chevys run the fuel relay to the oil pressure switch in case the oil is so low the car wont start. sometimes the relay in between this circuit goes bad as well. if all is well check or replace the ignition module (located directly under coils) or distributor integrated if it has a distributor
You don't remove the water pump to change the thermostat, that's not where it is. It's at the engine end of the upper radiator hose that connects the radiator to the engine. How do you know that you need one? Are you overheating? In a car of that age you could easily have a plugged up radiator, you would want a reverse flush; watch the newspaper ads for a discounted price on that service. If the coolant is dirty, not bright green it will be deteriorated and will overheat. For extra they'll also change the hoses and thermostat. It can add up so shop it around.