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What is the use of thermostat? is it true that by removing the thermostat, it will help in reducing overheating?

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Thermostat is there to send a signal to your radiator fan whenever further air vent is needed to cool down the engine.A faulty thermostat will not activate the fan or else you can bypass it by allowing the fan to start everytime you turn the ignition is on.Hope this helps.Good luck.

Posted on Jul 14, 2010

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A thermostat maintains the engine to a pre determined temp which is most efficient for operating.by removing stat you will never reach/maintain the correct temp,so use more fuel,and cause more engine wear.to reduce the risk of overheating,keep the car maintained correctly,and if towing/climbing high terrain,fit a secondary electric fan in front of the radiator.fitted with a on off switch for when not needed.......(normal useage).

Posted on Jul 14, 2010

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Why did my 2011 DTS Cadillac overheat?


An overheated engine can be caused by anything that decreases the cooling system's ability to absorb, transport and dissipate heat; therefore engines can overheat for a variety of reasons. Let's take a look at some of the most common causes.
Cooling System Leaks
This is the primary cause of engine overheating. Possible leak points include hoses, the radiator, water pump, thermostat housing, heater core, head gasket, freeze plugs, automatic transmission oil cooler, cylinder heads and block. Perform a pressure test. A leak-free system should hold pressure for at least one minute.
Wrong Coolant Concentration
Be sure to use the coolant recommended by your vehicle's manufacturer. The wrong type of coolant and/or mixing the incorrect concentration of coolant and distilled water can also result in engine overheating. The best bet is to perform a complete flush and fill.
Bad Thermostat
A thermostat is a heat-sensitive valve that opens and closes in response to engine temperature. Heated engine coolant passes through to the radiator when the thermostat is in the open position. In the closed position, it prevents the flow of coolant to speed up the warming of a cold engine. When the thermostat gets stuck in the closed position, coolant stays in the engine and quickly becomes overheated, resulting in engine overheating.
Blocked Coolant Passageways
Rust, dirt and sediment can all block or greatly impede the flow of coolant through the cooling system. This can limit the system's ability to control engine temperature, which may result in higher operating temperatures and engine overheating. Once again, a flush and fill is recommended to remove debris.
Faulty Radiator
By passing through a series of tubes and fins, coolant temperature is reduced in the radiator. Leaks and clogging are some of the most common causes of radiator failure. Any disruption in the radiator's function can lead to elevated engine temperature and overheating.
Worn/Burst Hoses
A hose that contains visual cracks or holes, or has burst will result in leaks and disrupt the flow of engine coolant. This can result in overheating.
Bad Radiator Fan
A fan blows air across the radiator fins to assist in reducing the temperature of the coolant. A fan that wobbles, spins freely when the engine is off, or has broken shrouds will not be able to reduce the temperature to proper level, thus possibly resulting in engine overheating.
Loose or Broken Belt
A belt is often the driving link that turns the water pump at the correct speed for proper coolant flow through the cooling system. If a belt is loose or broken, it cannot maintain the proper speed, thus resulting in poor coolant flow and ultimately, engine overheating.
Faulty Water Pump
Known as the 'heart' of the cooling system, the water pump is responsible for pressurizing and propelling engine coolant through the cooling system. Any malfunction of the water pump, including eroded impeller vanes, seepage or wobble in the pump shaft, can prevent adequate coolant flow and result in engine overheating.

Oct 13, 2016 | 2011 Cadillac DTS

3 Answers

Is it ok to run my 04 grand prix without the thermostat


It is not the best but can be done.
Don't remove the whole thermostat only the center part and fit the frame back in the housing.
If you remove the whole thermostat you can end up with cavitation problems and this can cause hot spots in the engine.

Jun 08, 2015 | 2004 Pontiac Grand Prix

1 Answer

How to change thermostat in 2009 Saturn Outlook?


follow the hose from raidiator on top back to bellhousing take that off thermostat

Feb 18, 2014 | 2009 Saturn Outlook

2 Answers

My Engineer removed my thermostat and said its not needed in our weather. that it will cause overheating when faced with traffic pressure


Hello ayo, that information is simply not true. I think the Honda engineers know more about their cars than yours does. If your cooling system is clean and all the componets are working as designed, the thermostat should not need to be removed. In fact, i have seen many cases that when the thermostat is removed, it causes the engine to run ever hotter and overheat. The reason being, with the thermostat out, the coolant is circulating faster, it passes through the radiator so fast that the air coming through the radiator fins don't have time to cool it before it re-enters the engine. If you are in extreme heat this is what i suggest you do. Thermostats come in different heat ranges, which means they open when the coolant reaches a certain temperature. You can replace yours with a cooler one. If you have a 200 degree install a 180, or one that is 15-20 degrees cooler. Always run a clean mixture of 50/50 coolant. keep your radiator clean inside & outside and the cooling fan blades clean and turning freely...you should have no problems.

Good luck, hope this helps & thanks for using FixYa!

Jul 14, 2011 | 1995 Honda Accord

1 Answer

Is overheating when stop at lights


Check fan belt tension and/or coolant thermostat. When the engine is cold, no coolant flows through the engine. Once the engine reaches its operating temperature (generally about 180-200 degrees), the thermostat opens. By letting the engine warm up as quickly as possible, the thermostat reduces engine wear, deposits and emissions.

Jun 16, 2011 | Ford Fiesta Cars & Trucks

3 Answers

Took out the thermostat, replaced the radiator, the water is circulating in the radiator but it is still running hot. what do i do next?


Overheating can seriously damage a car's engine if left unchecked. Although overheating simply means that a car's engine temperature exceeds normal operating temperatures, the causes of overheating are varied. What follows is a brief list of some of the most common causes of engine overheating.

    Faulty Radiator
  1. A car that overheats will often have a faulty radiator. A radiator is responsible for cooling hot engine coolant that picks up heat from inside a car's running engine. A radiator "radiates" the heat from engine coolant out into the outside air. A faulty radiator loses its "radiating" effects and allows engine coolant to become overheated, thus rendering it ineffective at adequately cooling and engine.
  2. Faulty Water Pump
  3. A faulty or malfunctioning water pump prevents adequate engine coolant flow and can cause a car to overheat. A water pump serves to pressurize and propel engine coolant throughout a car's engine and radiator to increase the heat-reducing capabilities of engine coolant. A faulty water pump loses its ability to adequately pump and propel engine coolant, and can cause a car to overheat.
  4. Coolant System Leaks
  5. A leaky engine coolant system reduces the level of circulating engine coolant, which increases engine temperature and leads to engine overheating. Radiators, water pumps, and coolant system hoses and seals--all of these coolant system parts can develop leaks, which can result in low coolant levels and engine overheating.
  6. Faulty Thermostat
  7. A car thermostat regulates the flow of engine coolant. A thermostat is a heat-sensitive valve that opens when a car engine reaches a set operating temperature and closes when a car engine is cold and warming up. If a thermostat gets stuck in the closed position, coolant will be prevented from reaching the engine, which will quickly lead to engine overheating and potential engine damage.
  8. Low Engine Oil Level
  9. Engine oil, in addition to lubricating an engine's internal parts, helps to keep engine operating temperatures reduced by eliminating friction within the engine. If engine oil levels are low, friction and heat build up inside an engine, a condition that causes increased engine operating temperatures and can lead to engine overheating.

Jan 15, 2011 | 1998 Isuzu Rodeo

5 Answers

My 1987 corvette coup motor gets hot real fast , I check therostat and thats not the problem , any idea what else it can be ?


Could be a faulty temperature sensor, at wost it's going to be a bad head gasket or intake manifold. Sorry for the bad news and hope that it's just a faulty temp sensor.

Thank you for using fixya and check your engine oil to make sure there is no coolant mixing in with your engine oil. Coolant is corrosive to your engine's internal bearings.

Sep 21, 2010 | 1987 Chevrolet Corvette

1 Answer

Radiator fan not turning on 02 intrepid


maybe the sensor that turns on the fans might of gone bad . . and turning on the ac when engine is gettin hot is not going to help instead turn on the heater to reduce the heat , also overheating causes hoses and gaskets to get soft and get destroyed

May 27, 2009 | 2002 Dodge Intrepid

2 Answers

Overheating


The thermostat is behind the upper radiator hose...remove the upper radiator hose and loosen and then remove the two bolts on the outlet (where the upper radiator hose ends) The thermostat is inside that outlet...Another thing to check is if there is water in the oil...If there is water in the oil then it could have a head gasket problem..Did you ever replace the thermostat? If it is stuck then it would also cause overheating...Excessive exhaust backpressure because of a clogged catalytic converter could also cause overheating..Also check belt tension and condition. A loose belt that slips may prevent the water pump from circulating coolant fast enough and/or the fan from turning fast for proper cooling...Another thing it could be is a faulty Water pump -- Any wobble in the pump shaft or seepage would call for replacement. In some instances, a pump can cause an engine to overheat if the impeller vanes are badly eroded due to corrosion or if the impeller has come loose from the shaft. The wrong pump may also cause an engine to overheat. Some engines with serpentine drive belts require a special water pump that turns in the opposite direction of those used on the same engine with ordinary V-belts... Also check the Fan -- With mechanical fans, most overheating problems are caused by a faulty fan clutch, though a missing fan shroud can reduce the fan's cooling effectiveness by as much as 50% (depending on the fan's distance from the radiator) which may be enough to cause the engine to overheat in hot weather or when working hard.

Feb 28, 2009 | 1997 Nissan Maxima

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