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Q: Does car need to be running when vacuum car a c?
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Which of these is not considered by economists to be a need A shoes B a hamburger C a cabin D a vacuum cleaner?

A vacuum cleaner is not considered to be a need.


Water Leaking underneath my car passenger side under the car?

If you are running the A/C then this is normal and is just condensation from the A/C unit. If you are not running the A/C then it may be coolant. If your coolant is low then check for a leak at the connections for the heater hoses going inside the car.


What fire extinguisher do you use for a vacuum on fire?

A vacuum is nothing. A nothing can't burn, so there is no need to put it out. If you are talking about a vacuum cleaner (electrical appliance) on fire, that is an energized electrical fire, which is a Class C fire. You will need a UL class C rated fire extinguisher for this emergency (i.e., ABC, B:C, or C). If you can unplug the vacuum safely, then do so. This converts the fire from Class C to "ordinary combustibles", UL Class A.


Why your car is running out of freon fast?

Freon cooler is leaking from A/C system.


How much vacuum should a air condition system be able to hold?

On a car's A/C system you should pull a vacuum to a -29 and it should hold for at least 30 minutes.


Auto air conditioner diagrams?

need a/c wiring and vacuum diagram for a 72 chevelle


Why would the air only blow out of the dash vents but not my floor or defrost vents in my 2005 Chevy cavalier?

Check the following.......... 1. Vacuum leak, broken vacuum line or disconnected vacuum line. 2. A/C - heater inside car door operation.. 3. A/C - heater controller..


What are hoses for in a car?

Radiator hoses,Heater hoses,Power Steering hoses,Air Conditioning hoses,Vacuum hoses,


Why does your 1986 300zx turbo without turning on the ignition make noise like some electrical is running?

Could be the fan running after your drive the car. It will run until the car cools down. Also some turbo cars have a pump that circulates oil to the turbo after shutdown to avoid damage. Your car has electronic fuel injectors in it. They start with your keys in the on position. Answer On turbo models there is a vacuum motor under the front bumper that will come on when the ignition switch is turned on IF there is a leak in either the heater water solenoid line, cruise control line, or heating and a/c vacuum control lines.


Why would a 1997 Chrysler LHS car make a whirring noise when I accelerate while the Ac is running.?

A/C compressor? A/C compressor?


When stopped at a light why does car rev up and then back to normal?

There could be many reasons for this. If your A/C is on, or if your defroster is using the A/C, the PCM could be revving the engine slightly to keep the additional drag from stalling the engine. It's also possible you have a vacuum leak, such as from a disconnected vacuum hose, under the hood. Or a problem with the EGR system. Is the check engine light in your car on?


Do electromagnetic waves move in a vacuum?

yes, at 'c' the speed of light in a vacuum.