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vehicle engine temperature question?
in the winter, i can't use my car heater until the engine temperature hits 150 because if i turn on my heater, the engine temperature will stop going up. so if i turn on my heat at 150 degrees, the engine temperature will stay at 150 degrees. if i idle, the temperature drops literally 25 degrees. so if i am idling with a temperature of 170 and i turn my heat on, the engine temperature will drop to 150. if i drive around, it will increase though. i pulled my thermostat and checked that it is functioning properly and it opens at 200F and it is not stuck open or closed.
what else can i check? my car never over heat, so i do not suspect the water pump. operating temperature is 195F and it gets there no problem if i leave my heat off.
2 Answers
- Anonymous3 years ago
Sometimes it's so cold out that the engine sheds heat faster than it can produce it even with a functioning thermostat. If it gets that cold you'll see trucks with blinders or blankets in front of their radiator, some people fabricate cardboard shields to partially cover it on their car. If you do this and slip it down between the grill and radiator don't forget to remove it when the weather warms up again.
- Anonymous3 years ago
Nothing wrong with your car . Sometimes it is just cold.
Try this. Flush the coolant and the heater core. Make sure to put the correct coolant. Replace the thermostat.