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Heating AC and Engine Cooling
Heating, air conditioning (AC) and engine cooling require a radiator to transfer heat. Heating a cabin requires heat to be transferred from an engine block. Engine cooling blows the heat out of the engine. AC uses refrigerants to cool air.
2,065 Questions
Does removing thermostat in a 4G15 engine helps cool the engine?
from what im experiencing right now...i still have have a lot of work to fine tune my 4g15 piston carburetor for my 1995 1.5 wira...okay now the answer is yes...it helps better cooling but...the heat up from cold start will confuse the auto choke...it takes forever for you to heat up in the morning plus...chances are black smoke and poor idling will occur...and will lead to future problems....best to keep the thermostat....you can buy a lower thermostat valves in the after market shops...maybe something around 72'c should be fine because OEM is 82'c...dont forget that the carburetor also plays a major part in this process...too lean will heat the engine and too rich will cool the engine..if too rich you will get black smoke and unsteady idle...if too lean..a very hot exhaust air blows out means you will lost peak power and damaging the spark plug....email me if any of you have a questions about this engine at kutan_86@yahoo.com
How many types of cooling systems in an engine?
what are the types of engine cooling systems and what are the advantage and disadvantages pdf
Do you need to install a new accumulator when you install a new car AC compressor?
It is usually required for the warranty to be valid.
How pour oil in rotary ac compressor?
You do not pour oil into an ac compressor, It goes in just like the "freon",,,under pressure. You can but an oil charge kit from any good auto parts store but only use it if you absolutely know it needs oil. Too much will ruin the compressor and clog the separator.
What device cools a cars engine?
Hi,
The main device that cools a cars engine is the radiator, however to state that is not exactly true. Car engines run hot, and this is to increase the efficiency of the engine. The thermostat in the engine, and the temperature probe in the radiator are all set to keep the engine at a predetermined factory set temperature. The cooling fan behind the radiator will only work when the temperature of the engine goes over the predetermined temperature, to bring it back down. Notice the word temperature not cool in the explanation. Like the human body temperature is monitored.
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There's some inaccuracies in the above answer. The radiator does not directly cool a car's engine - it cools the coolant which passes through it.
The whole cooling system is the "device" you're referring to. That would be the water pump, radiator, hoses, and thermostat. When the thermostat reaches a predetermined temperature, it opens up and allows coolant to flow through the motor. The most basic law of thermal dynamics is that heat always flows to a cooler object. Thus, the heat from the engine flows to the coolant in a heat exchange. The heated coolant then is cycled to the radiator, where another heat exchange takes place - this time, the heat from the coolant transfers to the air which is passing through the radiator. This is why it's important to keep air flow to the radiator (as well as the air conditioning condenser) unobstructed.
Additionally, the airflow over the motor created by the engine fan also creates a heat exchange, where heat from the engine is transferred to the cooler air flowing over the engine.
Can driving with a broken thermostat on your car eventually make your water pump go bad?
Probably not in the context you had in mind. If the thermostat is constantly open, however, it can cause the water pump to run excessively or even continuously, and that'll cause the pump to wear out faster.
Could needing freon cause the engine to run hot when the air conditioner is on?
No, that's most likely the result of low coolant, burned out coolant, or a thermostat in need of replacement. A defective water pump may also be to blame, or possibly even loose belts
As previous OP stated, but to elaborate, the condenser is located in front of most radiators, when you turn your a/c on the condenser will produce a good amount of heat, almost "preheating" the air going through the radiator. Your cooling system must be in good order to dissipate the additional heat. Also most vehicles if equipped with electric fans will have i.e. one or two cooling fans that will come on when the ecm or high pressure switch on the a/c indicates high pressure due to excessive heat in condenser (high head pressure). Also, look at condenser for bent fins, leaves or debris between condenser and radiator, proper electric fan operation and if it's a belt driven fan, some have temp operated clutches, the hotter they get the more air the fan will pull, if this fan clutch has leaked oil, it will cause this issue. Shut vehicles off HOT and look at the fan, if it keeps spinning freely and slowly comes to a stop, its shot, if it stops after a few revolutions its most likely in good shape. Year, make and model would help BUT for most part, if it runs cool until a/c is on, then you have a marginal issue, most likely fans, radiator getting plugged or possibly thermostat, however some VW and other vehicles use plastic impellers that fracture and others that impellers slip on the shaft, again - year make model helps...
Where is the ground wire to heater blower on a dodge?
Year make model aside, most have power going to motor and grounds are through the blower motor resistor, setting speeds by using different resistors on the board, or in the case of automatic climate control, a power resistor control board, usually located in the heater box near the blower motor, google or ebay for one for your vehicle, get a picture of it in your head and look around the blower motor. They have diodes in them that fail and you will lose all speeds and other times, one or two.
It depends on which Whitestone you are talking as to whether or not it is cool. Whitestone, Queens is a wealthy neighborhood and many think that it is cool to live there.
Why does a thermostat turn a house's heating unit on and off?
The short answer is that it's what it was designed to do. It is so designed in order to keep an indoor area at a constant, comfortable temperature.
Inside of the thermostat is a coil. The coil expands and contracts with the temperature. When the coil expands to the point it's supposed to, it makes contact with an element detached from the coil, thus allowing an uninterrupted circuit to be made, which in allows power to get to the HVAC system.
What are the main features which determine whether the engine is ether air or liquid cooled?
The main features that determine whether an engine is air or liquid cooled include the cooling medium used and the design of the cooling system. Air-cooled engines rely on ambient air to dissipate heat, often utilizing fins to increase surface area, while liquid-cooled engines circulate coolant through a closed system involving a radiator and water pump. Additionally, air-cooled engines are typically simpler and lighter, whereas liquid-cooled engines provide more efficient temperature regulation and can handle higher power outputs. The choice between the two often depends on the application and performance requirements.
WhAT has the greatest effect on the operating temperature of an air cooled engine?
engine oil quality/quantity
Why is the water not circulating in the engine?
More often than not, what is perceived as water not circulating is not seeing the water in motion when the radiator cap is removed. On some radiators, you'll never actually see the water in motion. But on most, if it's not in motion, the thermostat hasn't opened yet.
If the radiator is full of coolant and the temperature gauge climbs very high, accompanied by other more reliable evidence of engine overheating like pinging (guages and their sending units can go bad) and steam coming out of the radiator eventually, or the radiator is cold but the engine is hot, it's usually a "stuck" thermostat, or one that isn't opening.
Personally, if I suspect this, I remove it, note the temperature at which it's supposed to open, put it in a pan of cold water with a meat or candy thermometer, put it all on the stove and bring the temperature up until you phycially see the thermostat open. Look at the thermometer. Right temp? It's a good thermostat but make sure it doesn't go in backwards or it'll be reluctant to open. If it's opening at a much higher temperature or not opening at all, replace it.
Three more reasons water might not circulate and I'm just throwing them out here because though they're pretty intuitive, they're still technicall reasons water might not circulate:
1. The water pump isn't being turned by the accessory belt.
2. There isn't enough water in it. Typically if your temperature gauge goes up and you turn on the heater and get only cold air, you're low on coolant.
3. The engine isn't running.
How do you change freeze plug behind motor mount?
You will have to remove the long bolts that go through the motor mounts and raise the engine up and support it / brace it so it don't fall and tear a hand off. Then you will have to remove the 3 bolts that hold the mount to the engine block. Now replace the freeze plug.
What can be done with the refrigerant trace gas and nitrogen after the leak is found?
Released to the atmosphere.
Where is the cooling fan relay and fuses located on 1999 holden vectra?
The relays are numbered and there are no labels to explain which one is which. The numbers are not explained in the drivers manual. How do you figure out which number is for which relay?????
Where is the cooling fan relay switch located on a polaris 500 ho touring?
The cooling fan relay switch on a Polaris 500 HO Touring is typically located under the front hood, near the main wiring harness. It's usually mounted on or near the fan assembly or the engine compartment. To access it, you may need to remove some panels or components for easier visibility and reach. Always consult the specific service manual for your model for precise location and instructions.
How does a fan shroud aid in cooling?
It collects and directs the air flow for a more efficient heat transfer.
Where must a suction-line drier be placed in a heat pump after a motor burnout?
between the comp and the reversing valve
burnouts are the best espically whenyou do reverse burnouts in the paddock. when you get in the club sport it lives massive amounts of rubber on the road.
