Question: if a car been sitting up for a while can the old oil make it run hot?


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Answer #1:

Nope, not the oil. You got bigger problems. Were the hoses rotted or had they actually burst? If they burst you need to look at the water pump. Flush the system, make sure you have flow through the radiator (use a non contact thermometer) and then replace the water pump if the radiator looks good.

Answer #2:

my guess is you got a plug in your cooiling system some were more then likly in your rad get it flushed or flush it yourself the reason i suggest this is because the hoses had burst so the pressure built up behind the blockage and burst the rad hose

Answer #3:

many times the reason a hose busts or something gives out on the coolng system is that the radiator is clogged, the thermostat is stuck closed , or there is a clog somewhere else in the system. As mentioned Flush all of the cooling system. Using radiator flush . Then don't forget to "bleed the system.' Bleeding the system means you have to let the air out of the system by turning a bleeding screw. Or lifting the car up on the the side you put the coolant into and slowly pour the coolant and water 1/2 and 1/2 of each. That way no air bubbles will form. I really believe that the system was not bled and it busted the hoses with the pressure.

Answer #4:

Actually in some technicians oppions it could, the thick gross oil would cause poor preformance and further more make the parts of the vehicle work harder, causeing more friction, making the engine hotter, but from experiance i would say its most likely something else





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