As the title says…what are you all doing?
Telling someone that I’m on my way. Finding music to listen to. Figuring out what my next errand is or checking if I have anymore errands.
You’re supposed to let the engine warm up for at least a minute before driving
Myth and lie.
You are absolutely not supposed to do that. In fact, you’re supposed to do the opposite. Letting your car idle to warm up kills it faster because the oil pump isn’t running because the car isn’t moving.
The exception to this is:
A) when it’s really freezing cold out, and then still not more than a minute (not “at least a minute”. No more than a minute. 30 seconds is plenty in winter. To be clear, if it isn’t cold out, this doesn’t apply, and you shouldn’t wait at all.
B) if your car is ancient, like with a manual choke or similar. Well over 40 years old.
C) if the manufacturer says so for that model.
The car doesn’t have to be in gear for the oil pump to run. If the engine is running the oil pump is on. That’s why there’s a red light that looks like an oil can when the key is on before you start it but it turns off when the engine is running because there is oil pressure. If that light is on when the engine is running you need to shut it off immediately or you’re going to be replacing an engine.
Oh so if the manufacturer says so? So it’s not in fact a myth or lie? With three exceptions.
One thing I have found really annoying about Lemmy is there are tons of trolls just here to be contrarians. I’m here for debate and to learn. But so many people are just assholes, miserable in their life and looking to bring down everyone else. Unnecessarily rude.
to be fair, the last point more so covers margin cases that are more likely to be covered if the user/driver informs themselves than trying to list every margin case here.
You are absolutely not supposed to do that. In fact, you’re supposed to do the opposite. Letting your car idle to warm up kills it faster because the oil pump isn’t running because the car isn’t moving.
That is absolutely not true. The engine runs the oil pump, so the pump is working as long as the engine is spinning, assuming the pump is not faulty, of course. I’m not aware of any car engine ever built where that isn’t true.
That being said, idling your (modern) car for longer than a minute, or as long as necessary to defrost the windows in the winter, is a waste of fuel and, consequently, emissions. It’s also an unnecessary wear on mechanical parts, but not because the engine is cold or hot, but simply because it’s in use.
This is 100% correct. There’s a lot of “tips and tricks” that are extremely out dated, and typically for vehicles prior to the implentation of fuel injection.
They said the oil pump isn’t running when the car isn’t moving. That’s definitely 100% wrong.
The oil pump is running but it is generating less pressure at idle.
You should however keep the revs lower, not as low as idle as you point out but also don’t red line it. If it’s a turbo try not to generate lots of boost either.
sometimes you gotta just sit and breathe for a minute, man.
well, I usually roll a few cigarettes for the road, put directions on Google maps, and adjust my seating/coffee/whatever else I need to be comfortable. In total it takes a minute or two.
Loading up my favorite podcast
Checking pbone, eating food, looking for cord, checking pockets, enjoying the view, making sure mirrors are adjusted properly, adjusting chair, adjusting steering wheel. Could be any number of things.
Waiting for Android Auto to load up
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Brushing off the snow and scraping off the ice from my windows
Transmission is slow on startup (especially when cold) so the first shift always takes a while to engage, and I have to watch the lights to see if I still have enough coolant (fun leak)
Some people claimed that one of those stop-leak/stop-slip transmission treatment will help, maybe you should give it a try.
Those can also fuck up your cooling pump
I did, this buddy is too far gone, 3rd gear practically doesn’t exist
uConnect sucks. It will literally take 10 to 15 seconds to finalize the connection in my wife’s van. Sometimes I wait for it and sometimes I just have Bluetooth off and listen to my phone through its own speakers.
Responding to this post, can’t comment and drive
Taking a breather goddamn.
Setting up music, navigation, and letting it defrost
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