Slightly overfilled crankcase.

[Luisraul924]

So as the subject describes... I overfilled my crankcase by approximately half a quart. I started the vehicle and saw exactly one tiny bubble. My OCD/paranoid/parentlike attitude toward my car started to think that it might be too much. I took it for a spin and now the dipstick is marked well above the full dot but exactly zero signs of bubbling/foaming/aeration of the oil. Should I still be concerned?

tldr: Overfilled crankcase with .5 qt but no signs of aeration, should I be worried?

 

[SatinSilver]

No, sweat something else like what to have for dinner.

edit: besides the Scion will gobble up the excess oil in a few hundred miles.

I also drive a Toyota product.

 

[WobblyElvis]

You have a greater chance of meeting an honest politician than this oil level causing a problem.

 

[Luisraul924]

Originally Posted By: satinsilver
No, sweat something else like what to have for dinner.

edit: besides the Scion will gobble up the excess oil in a few hundred miles.

I also drive a Toyota product.


Dinner will probably be pizza and beer. My 2AZ seems to sip on oil, it'll drink up about 1 qt per 5K miles. Toyota products are pretty awesome.

 

[Vern_in_IL]

It's good, 1/2 a quart won't mean a thing. There got to be some safety margin built in, like think about sloshing going around tight corners at high speed.

I would not overfill over 1/2 a quart..

 

[bluestream]

This must be the 1500th post about 1/2 qt overfill...

 

[Falken]

Half a quart = more safety margin.

A quart extra I'd dump some.

 

[webfors]

Half a quart over is fine.

 

[Luisraul924]

Originally Posted By: Bluestream
This must be the 1500th post about 1/2 qt overfill...

1500th really?! Do I get like a cookie or an award or something? I feel awful special now

So in all seriousness though I understand others may have had questions but not everybodies' crankcase is the same so overfilling say a Honda 1.6 motor with half a quart would probably have a bit more repercussions than say overfilling a Mopar 392. That's why I asked, hoping someone else with either 2AZ experience or at least Toyota experience would be able to chime in. And they did

 

[SumpChump]

Originally Posted By: Luisraul924
Originally Posted By: Bluestream
This must be the 1500th post about 1/2 qt overfill...

1500th really?! Do I get like a cookie or an award or something? I feel awful special now

So in all seriousness though I understand others may have had questions but not everybodies' crankcase is the same so overfilling say a Honda 1.6 motor with half a quart would probably have a bit more repercussions than say overfilling a Mopar 392. That's why I asked, hoping someone else with either 2AZ experience or at least Toyota experience would be able to chime in. And they did

My Camry 2AR was over filled by a quart maybe more. I made them drain it. Half quart and id have let the car eat it. She seems to eat it down about 1/4 inch from the full line and then just stay there for the rest if the oil interval. Hmm, oh well.

 

[Dave Hess]

Zero problems half quart extra oil.

 

[901Memphis]

Some engines actually can consume more oil at a higher level in the sump but it's fairly normal and I've done it myself on purpose with 4.5 quart sump and the whole 5 quart jug.

 

[Bud_One]

The 1.8 1ZZ-FE Toyota sourced 4cyl in my Vibe I keep at 0.5 qt overfilled. No ill effects and it has over 180k miles on it.