'It's a myth', warns mechanic about turning off AC before killing engine – and says leaving it on can help avoid smells | 3W665CX | 2024-03-31 12:08:01
The YouTube creator is a Toyota Master Diagnostic Technician, in line with his account.
In a
AN AUTO repairman has informed drivers why a extensively believed apply is definitely only a fantasy.
The YouTube creator is a Toyota Master Diagnostic Technician, in line with his account.
In a video he shared on the platform, the mechanic referred to as The Car Care Nut (@TheCarCareNut) addressed the myth that drivers should flip their A/C techniques off earlier than chopping off their ignitions.
Display textual content the creator added to the video learn: "Do you have to flip off your automotive A/C before shutting it off?"
"Otherwise it'll trigger injury," the creator stated within the clip.
"That's what the parable is people. For those who own a really previous automotive and once I say very previous automotive, something earlier than the 1990s, that's probably the case."
He stated that's "because of the traditional electronics that that they had" at earlier than the 2000s.
"However anything 1990s and now, principally any automotive with pc controlled HVAC or computer-controlled engine administration system, you don't really need to try this," the mechanic defined.
So, he stated having to show off your A/C system in your car before shutting it off to take care of a great engine "is a fable in this case."
"So the thought of you need to turn off your compressor or turn off your AC so the compressor would shut off is, you don't want an abrupt shut off," the auto professional said.
"And then whenever you begin the automotive that compressor continues to be engaged and that sort of creates a jarring impact within the A/C system."
This isn't the case with trendy automobiles, the tech stated.
<!-- End of Brightcove Player --> "Once you shut off the automotive, the computer is definitely shutting off that compressor or disengaging the clutch earlier than the engine even involves a full rest," the YouTube creator stated.
"And when it restarts, which is an important thing, it gained't permit the compressor to return on until the engine is idling and it sees that issues are protected then it kicks on the compressor."
The mechanic explained that many more recent automobiles "truly don't also have a compressor clutch."
"They've a variable compressor that doesn't also have a clutch," he stated.
"So that basically takes that entire fantasy out of the window."
The mechanic additionally let viewers know what he advises drivers do "as an alternative of worrying about shutting off your AC."
"When you have a automotive with auto AC that's trendy, use it because there's a lot logic built into that automated mode that'll truly do a drying cycle whenever you shut off the automotive," the technician knowledgeable viewers.
"Some automobiles will truly activate the fan to drive the evaporator as a result of leaving that moisture there not solely will cause smells, it truly cause evaporator leaks over time."
The submit has been seen over 300,000 occasions.
"Greatest automotive technician on YouTube bar none," a viewer commented.
"No one is extra educated in Toyotas and Lexus fashions."
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