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Old 09-13-2010, 10:08 PM
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Huskymaniac Huskymaniac is offline
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Join Date: Jul 2010
Location: Corning, NY
Posts: 1,872
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Re: Wants to overheat

Found this as a test for a stuck closed thermostat:

"If the upper radiator hose is hot at the engine end and cool at the radiator end, coolant is not circulating. The upper hose is normally cooler than the lower hose due to cooling via the radiator."

and

"Compare the temperatures between these two hoses. Keep in mind that when operating normally, your lower radiator hose should be warmer than the top hose. If one hose is a lot warmer than the other, then it’s highly likely you have a stuck thermostat. "

I suppose it is also possible that the radiator is clogged.
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
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1992 Red Ferrari 348 ts, 82,XXX, Redline everything

Last edited by immortal_suby; 09-14-2010 at 02:29 PM. Reason: removed quote
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