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Would a thermostat set for a higher temperature keep the heater from blowing hot air?

No. The thermostat controls the flow of water through the radiator, not the heating core. Using a thermostat with a higher temperature rating delay the opening of the thermostat (and the flow of water to the radiator) until that higher temperature is reached. This will cause the coolant to run hotter.


How do tell if thermostat is bad?

One way to easily tell is to check the bottom radiator hose, if the hose is extremely hotter than the top hose, the thermostat is not opening fully or stuck in the closed position.


Why does your 1992 areostar overheat in -30 temp?

The coolant could have frozen in the radiator. If that happens the coolant in the engine will just get hotter. It could also be the thermostat.


I have 327 chevy the motor water temp in the back of the motor About 150 hotter then the front rad Is 180 and the back of motor is 250 plus?

Yes, that is because the radiator is cooling it, the running temp should be about 195 or so when the thermostat opens to let the hotter coolant in to the radiator to be cooled.


How can you make your hot tub hotter?

hotter water turn up the heat using the thermostat on it


Your 1998 seems to run hotter in the winter now than in the summer just past--is that a computer control issue or do you have a problem that will show up later?

Engine temperature is controlled by the thermostat. An engine can often run hotter if the thermostat has started to fail or if the radiator is partially blocked. The computer is not involved in temperature control. Have the rad and cooling system flushed and change the thermostat at the same time. Have the heater core pressure tested and flushed out.


What temperature thermostat should be used on a 350 Chevy?

It's dependant on what you want. If you live in a hotter climate, select a lower temperature thermostat; that causes the thermostat to open sooner, keeping the engine a little cooler... hopefully. If you live in a climate that is either normally cooler or seasonably cooler, a hotter thermostat can help the heater work better. A hotter thermostat has been demonstrated to be SLIGHTLY (almost insignificantly) at helping the engine run more efficietly.


Why does my 1999 sts run hot when ac is on cools down after ac off?

I assume you are talking about the car`s temperature gauge. The reason you are seeing this is because the ac condenser is in front of the car`s radiator. So when the ac is operating the air entering the radiator is hotter causing the car`s coolant to run hotter. It actually overheats and a/c automatically shuts down. possible causes for the overheating? Can you drive it all day long without the ac? Or does it only overheat with ac on?Check to see that both the ac condenser and the radiator are clean and clear of any foreign matter, maybe you picked up a plastic bag or something like that impeding air flow. Does the fan operate properly? Does the heater blow hot air? If not the thermostat may be the culprit.


Why is the top radiator hose hotter than the lower Is it normal for the top hose to be two to three times hotter?

The coolant comes from the engine at it's hottest through the top radiator hose, cooling as it goes lower and lower in the radiator until it comes out the bottom radiator hose at it's coolest temperature and back into the engine.


Do the thermostat need to remain in a 03 impala to prevent overheating?

Yes, too much flow through the radiator does not allow the water to cool properly (or enough) so it returns to the motor hotter than it should be, which in turn raises the temperature even more.


Nissan primera si 1997 my temp gauge goes just under red quikly but when driven at 50mph it goes back down as if ive just driven it for 5 minutes air filter and sparking plug replaced but still same?

The temperature gauge goes down when you drive faster because more air is passing over the engine to cool it. Sounds like you need a new thermostat. This is part of the cooling system, and has nothing to do with air filters or spark plugs. A thermostat is easy to replace. It will be where the upper radiator hose connects to the engine block. Remove the hose clamp, pull the hose off the nipple, and it is sitting right there. The thermostat is supposed to sense when your coolant is getting too hot. Then it should open and allow the coolant to run into the radiator, where it is cooled off. The water pump then pushes the cooled water back into the water jacket surrounding the engine block, where the hot water rises to where the thermostat is, to begin the cycle again. When a thermostat goes bad and does not open, the water stays in the jacket and gets hotter and hotter, and has no chance to cool down in the radiator. Eventually the engine overheats, unless you drive fast enough that the air rushing by keeps the temperature under control. In an emergency when the car is overheating in traffic, turn your heater's temperature to the maximum heat position. Even with the fan off, this will work. It sends the hot coolant through the heater core, which is like a mini radiator and will help cool down the coolant.


Would a thermostat make the heat blow hotter?

Yes, if the original stat was stuck open.