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3 minute wait to check oil?

11K views 38 replies 14 participants last post by  fishycomics  
#1 ·
So today I tried an experiment.
I drove my 18 Touring long enough for it to warm up then parked it.

I waited three minutes and checked the oil level via the dipstick and noted the level.
It was right on the full mark..

I then waited three more minutes and checked again. Same results..

I then waited until ten minutes had passed since I shut it off and checked again.. Same as first check at three minutes..

This pretty much confirms what I have said before when others say three minutes is not a long enough time to wait to check the oil..

It appears it is.

0w20 oil is thin enough when warm and the 1.5 turbo engine is compact enough that oil drains back quickly so three minutes is sufficient wait time.

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#3 ·
I bet you'd also get the same results when checking it at 1 minute and 2 minutes.

The dipstick is not a precise, calibrated, scientific measurement device.

It is not precise enough to pick up the oil level difference between these time intervals.
 
#4 ·
Huh?
The dipstick method is more than precise enough to indicate even a half quart difference at one minute versus ten minutes..

And that is as precise as it needs to be and has been since autos first his the road.

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#12 ·
Oil level is always slightly higher not when cold, but after sitting long enough because all the oil drains back to the pan.

First thing in the morning is NOT the time to check the oil. If it doesnt read over full in the morning then your low on oil. Anything of 1 minute to several minutes after shutting engine off is more than sufficient and all the time you should be waiting to check the oil. Waiting overnight an engine can read up to .5qts over full (bigger engines) but even a small engine will be noticeable over full on the stick if it's perfectly full when checking it while getting gas.

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#17 ·
It doesn't really matter when you check the oil, The main thing is to check it the same every time. I do mine on a cold engine because it is convenient for me. Simply always do it the same. You will then have an accurate record of whether you are diluting or not.
 
#20 ·
^^^^This exactly^^^^

......and for those doing their own oil changes, I doubt they are re-filling with HOT oil.
 
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#26 ·
Hey Mr. Fish, I remember learning how to drive in a 1963 Ford p/u with 3 on the tree......when it got low on oil, the oil light would flicker when you hit the brakes hard. LOL :jawdrop:
 
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#30 ·
imagine every three minutes you're checking the oil and wiping it..

Or lets say how many miles do we have to check it/// better yet every time you go in the car at some time would be a smart thing to check.

you check your mirrors, your seat, your belt, you even check your tires. and you always check your speed, gas. but yet check the oil. but back to the topic

3 minute or 1 second I check the oil when I feel the car is comfortable to the touch.
 
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#33 ·
Not really. Heck they started disappearing for transmissions and then came back. But transmissions dont "burn" the fluid off like engines do. The most precisely and perfectly engineered standard engine will use oil.

Never going to happen on engine oil. Too many lawsuits waiting to happen they do that. Why the transmission dip sticks have been returning, people fought back and cost companies money.

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#37 ·
Wonder how much oil is absent from the pan when the motor is running? Maybe 10%?, 25%?, 50%?:Dunno:
 
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