Question about 1998 Buick Park Avenue

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'98 Buick Park Avenue running hot

I just replaced my radiator and thermastat on my '98 Buick Park Avenue and the mechanic checked the water pump. My car was running a little hot is the reason I took it in. Now it run between 220 and 230 when it is hot outside. The mechanic said it is designed to run at 220 and the fans come on at 230. This seems hot to me. Before this started my engine ran at around 205. The mechanic seems to think it will be fine but I am not so sure. Please help

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Alot of cars have two cooling fans. If one isn't coming on with the a/c then it could run hotter than usual at slow driving speeds and idle. 205-210* is pretty normal for most cars where 220-230 is a little hot. If everything is functioning properly and it still runs hot you should have the coolant tested for exhaust gases as you may have head gasket issues lurking. Try another mechanic as well, not all of them have a clue!

Posted on Jun 16, 2009

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Replace the thermostat just to be safe. not to do so is what i call to gag on a nat and swallow a hog. then pressure check the cooling system to make sure it is not making pressure above what is on the radiator cap. if it is you may have a blown head gasket. make sure yer not gettin antifreeze in the oil.

Posted on Jun 16, 2009

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