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I just bought an 06 toyota corolla s this past june, and my borther in law recently bought a toyota mini van, he said the guy at the car dealership told him not to prestart his car in the winter. He said it had something to do with the oil not lubricating right away? Is this true? I don't want to hurt my new car, so I thought I would ask!
 
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it just takes a minute or two for the oil to circulate. obviously oil goes down to the oil pan when the car is off. so it has to travel from the pan to the head which will take some time. nothing to really worry about. the sales people just try to sound smarter than they really are. FYI 60% of engine damage is from letting your car warm up in winter. with that said, my car has 154,xxx on it and I let it warm up for 5 minutes every morning prior to getting in it. starts every time, doesnt burn or leak anything.
 

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ghost_ryder35 said:
it just takes a minute or two for the oil to circulate. obviously oil goes down to the oil pan when the car is off. so it has to travel from the pan to the head which will take some time. nothing to really worry about. the sales people just try to sound smarter than they really are. FYI 60% of engine damage is from letting your car warm up in winter. with that said, my car has 154,xxx on it and I let it warm up for 5 minutes every morning prior to getting in it. starts every time, doesnt burn or leak anything.
I'd like to know where you got the info that said 60% of engine damage is caused by letting your car warm up in winter. Granted, excessive warm up isn't good for your car, but the numbers you quoted sound a little unrealistic. If you a have a link please post it.

As long as you have oil pressure, no need to let newer vehicles warm up. Usually 30 seconds is all you need. Long warm ups are not required for the car - only the user.
 

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Flashmn said:
I'd recommend a Defa engine-preheating system.
Plug it in for few hours in -20C weather and leave with a lukewarm engine. :thumbup:

http://wup.defa.com/en/wup_products_preheaters.html
Read about them.


Also next winter my corolla will have an eberspächer petrol/diesel heater system. 15mins, and your engine is 80-90C and interior is 22C, its frigging great :thumbup:
Yeah, I agree they are awesome!!

Ghost, I've never heard of over-warming your car can cause that much damage to your engine . I actually heard that heating it a little longer actually helps in expulsing the condensation in your motor.
 
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stubborn1 said:
I'd like to know where you got the info that said 60% of engine damage is caused by letting your car warm up in winter. Granted, excessive warm up isn't good for your car, but the numbers you quoted sound a little unrealistic. If you a have a link please post it.

As long as you have oil pressure, no need to let newer vehicles warm up. Usually 30 seconds is all you need. Long warm ups are not required for the car - only the user.
Bentley Service Manual 89-96(or 95 dont remember) 5 Series BMW.


costadragon220 said:
Ghost, I've never heard of over-warming your car can cause that much damage to your engine . I actually heard that heating it a little longer actually helps in expulsing the condensation in your motor.
I dont recall saying anything about over-warming the car
 

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these are Toyotas, not Bentleys or BMWs. ;)
 

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if you're not suppose to warm up the car, how are you suppose to drive it in the winter. :ughcool:

when i got up this morning, i had to let the car warm up just so i can steer :\ it's -16 F, here in the midwest
 

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yet another company who doesn't make a manual for my car. :(
 

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All you need is 30 seconds to allow the oil to circulate in temps below 10deg F to not cause engine damage. IF you use synthetic oil, you can get away with 10 seconds. The car will last longer if it doesn't idle for a long time with a rich mixture as it does with pre-starting. Driving the car like a grandma until it warms up will give you better results and your catalytic convertor will thank you for not pouring raw gas into it.

Living in a cold climate my whole life and this is all that is required.
 

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Dragonmaster said:
All you need is 30 seconds to allow the oil to circulate in temps below 10deg F to not cause engine damage. IF you use synthetic oil, you can get away with 10 seconds. The car will last longer if it doesn't idle for a long time with a rich mixture as it does with pre-starting. Driving the car like a grandma until it warms up will give you better results and your catalytic convertor will thank you for not pouring raw gas into it.

Living in a cold climate my whole life and this is all that is required.

Totally agree!
 
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