best time to check oil - Subaru WRX Forum
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#1 Old 08-18-2011, 11:53 PM
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best time to check oil

So is it better to check your oil when your car is warm? Or is it better to wait for the car to be cold and for all the oil to drain back to the pan? It will obviously show different levels after the oil drains back from the turbo and heads and stuff Right?

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#2 Old 08-19-2011, 04:36 AM
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Based on my experience with my car, I have found that the most reliable reading comes when the engine is cold or when the car has been sitting for awhile. While it is possible to take a reading when the car is hot, I have not found it to be as accurate.

However, I believe one should try to take readings in multiple situations to get a good feel for what the dipstick is actually reflecting. That is the only way I came to my conclusion with respect to my car.

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#3 Old 08-19-2011, 05:41 AM
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In the AM when the car is cool.

Remember, the oil is better underfilled (within reason) than overfilled.

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#4 Old 08-19-2011, 07:05 AM
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Better to check when it's cold.
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#5 Old 08-19-2011, 07:06 AM
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Every other weekend on Sunday morning is when I check mine and the wife's. Actually I give them a once over each time. I am OCD about these tings for some reason....

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#6 Old 08-19-2011, 08:28 AM
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First time I've ever heard people recommend cold checking. It doesn't take hours for the oil to drain back into the pan, at least not 99% of it.

I always just check it when I fill up since it's generally warm enough at that point. I'm also pretty sure the F on the dipstick is the cold max, and the notch is the hot max. Anybody confirm that?

-Chris
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#7 Old 08-19-2011, 11:47 AM
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^^Suprised about that.

Heck, in this heat waiting all night has netted me the same results as in the AM... haha

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#8 Old 08-22-2011, 08:13 PM
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My tuner says every other fill up...to make sure its doesn't go below a QT. Which is bad......mmkay.

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#9 Old 08-23-2011, 12:19 AM
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How can I tell when my car need it's oil changed?
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#10 Old 08-23-2011, 12:35 PM
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I hope you are joking...

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#11 Old 08-23-2011, 02:16 PM
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I hope you are joking...
Trollol.
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#12 Old 08-23-2011, 02:24 PM
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You AND Kirt.... hahahaha

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#13 Old 08-23-2011, 03:39 PM
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Quote:
Originally Posted by helloimD4NNY View Post
How can I tell when my car need it's oil changed?
When you don't see any on the dipstick... <---that was sarcasm, do not believe what you have just read...

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#14 Old 08-23-2011, 03:47 PM
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A noob is going to see these posts and not get the sarcasm. Then you'll all feel sad.

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#15 Old 08-23-2011, 04:02 PM
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Originally Posted by Vew View Post
A noob is going to see these posts and not get the sarcasm. Then you'll all feel sad.
There I fixed mine...

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