Heating AC and Engine Cooling
Air Conditioning and Coolant
Should AC compressor runs when the windshield defroster is running and the temp knob is turned fully to hot and the AC light is turned off Dealer says this is Normal 2005 KIA Spectra?
Should the electric fans on the radiator cycle on and off on a 1995 Plymouth Neon when the windshield defroster is turned on?
The fans will probably stay on while the defroster is on because the A/C compressor is running. ...
What is making Wheel tightens when defroster is on?
It sounds like you have a very tight running or bad a/c compressor since most all systems will engage the compressor when the defroster is on............... ...
Asked in Cars & Vehicles
When running the heat with defroster on will it cause condensation on air com presser?
yes, because the a/c compressor in operating in the defrost mode.
Asked in Fuel Economy and Mileage
Does using the defroster affect gas mileage?
Yes, it will decrease fuel mileage slightly. Reason being is that on all modern vehicles when the defroster is run the A/C compressor is also running. The compressor is driven by the engine and this extra load on the engine will require slightly more fuel. The benefit provided by the defroster far outweighs the slightly more fuel you will use. ...
Where is the daytime running lamp sensor usually located in a Vehicle?
I have an Impala, and the sensor is located on the top of the dash, near the defroster vent opening. (for the windshield) ...
Do you check the AC with the compressor running or not running?
with the compressor running.
How can a hermetic compressor be tested for efficiency?
There are a few ways to test a hermetic compressor for efficiency. Compressor Vacuum Test Closed-Loop Compressor Running Bench Test Closed-Loop Compressor Running Field Test Compressor Running Test in the System ...
Asked in Mufflers and Tailpipes, Toyota RAV4, Plumbing
You have a 2004 RAV4 and when using the defroster and heater water drips from the engine compartment as if the AC has been running The dealer said this was normal but you have never noticed this befor?
it is normal. when you use the defroster, the air conditioner is also working to help dry the air passing over the windshield. this moisture is condensed by the cool evaporator and drained through the floor of the car. ...
Will a heat pump compressor burn out if the circulation fan does not work?
If the fan outside is not running the compressor will overheat and if the fan inside the house is not running the compressor will get liquid refrigerant back to it and lock up! Neither is good for the compressor. ...
Asked in Cars & Vehicles
Why is fan loud when air or heat is on?
The electric fans used to cool the engine are designed to switch on to full speed when the air conditioner compressor is being used. When you turn on the heater/defroster the air conditioning compressor also turns on to help remove moisture from the air. Since both when heating or cooling your car the air conditioner compressor is working the fan will be running at high speed and makes more noise. ...
Asked in GMC Suburban
Why does my 1999 Suburban passenger carpet get wet after running the defroster?
Plugged evaporator drain?
Why is the fan running in the unit outside but no air blowing on the inside?
compressor not running
How do you know your ac compressor is to blame for hot air?
Is compressor running? If refrigerant charge is low it will not
If compressor has failed will air conditioner run?
If the compressor has stopped running altogether the AC will not work.
Can a mechanic recharge air conditioning without the compressor running?
yes but if the compressor does not work there is no reason for it.
Asked in Refrigerators
Why is your refrigerator not cooling?
If the compressor is running, either the compressor has an internal fault or the refrigerant has been lost. If the compressor is not running the thermostat or the compressor may have failed. If the compressor is getting hot and switching off at regular intervals, the refrigerant has been lost. In any case a refrigeration engineer visit will be needed to prove the fault. ...
Asked in Dodge Caravan
If clutch on air compressor is disengaged and noise continues is the compressor bad?
If the clutch disengages properly then the compressor should not be running. Most likely the clutch itself is bad instead of the compressor. ...
Asked in Cars & Vehicles, Lincoln Navigator
Why does your air ride compressor stay running on your 1998 Lincoln Navigator it is new?
The compressor will stay running only because there is a leak in the air system somewhere and the compressor is trying to play catch up.It will burn out if left to run continuously ... ...
Is rotary screw type compressor is mass flow compressor?
It depends on the size and application of the screw. If you are thinking of underhood screw compressor then they are very good compressors for running an air system. but beware of the abuse your engine will take running one of these ...
Asked in Cars & Vehicles
Can you heat a car without running the compressor?
In a car the heat usually comes from engine "waste heat". You just need to be running the engine. The compressor is part of the air conditioner, which is used for cooling not heating. ...
What should you do when your central air compressor is running but the cooling fan is not working?
Check the capacitor located inside the outside condensing unit,usually the fan,compressor are wired together,if one is running the other should be running ...