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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

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.

Is whitestone cool?

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.

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.

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.

Are burnouts cool?

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.

What is a cool answer?

an empty answer

(emptyness..........)

arent i so cool?

Is qwertyuiop cool?

Apart from being the top row of letters on a keyboard, qwertyuiop is internet slang for "bored". If being bored is considered cool, then qwertyuip would be cool.

Where is the cooling fan relay on 2001 vauxhall corsa 2001 1.0?

On a 2001 Vauxhall Corsa 1.0, the cooling fan relay is typically located in the engine compartment fuse box. You can find this fuse box near the battery, often on the driver's side. Refer to the diagram on the cover of the fuse box for the exact location of the cooling fan relay, as it can vary based on the specific model and configuration.

What happens if you over charge a ac system?

Usually there is no immediate result except for reduction in cooling proficiency. If the system is overcharged it will not cool properly, of course, this depends on how much over charging you are talking about. As more refrigerant is added the system's pressures will increase. At some point these pressures will become excessive and this will result in damage to the system usually over time. An A/C system is designed to run on a specific amount of refrigerant. Any deviation from this will cause less cooling ability.

How do you fix a crack in top of radiator?

For metal radiators, ideally, it needs to be braised (not usually a do-it-yourself job). However, if there is too much metal fatigue, it must be replaced.

For plastic radiator parts, ideally, the part should be replaced, and any other plastic radiator parts should be inspected for signs of impending failure since they are likely to have similar life spans.

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