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Maintenance, Troubleshooting and Diagnosis Need help? Having troubles with your GT? Need some maintenance tips? Ask your questions here.

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Old 03-06-2018, 09:13 AM   #1
aaronpawlak
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Default Overfilled engine oil is bad?

Hi,

I got my car's engine oil and filter changed by a mechanic and it looks the oil is overfilled by about 1-1.5 cm above the max line on the dipstick. Are there any bad effects running engine with this much overfilled oil or should I unscrew the filter and drain some oil out of the engine?

Please help.

I didn't find the right solution from the Internet.

References:-
http://forums.whirlpool.net.au/archive/2130912
Best video production service

Thanks
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Old 03-06-2018, 09:31 AM   #2
KS 82 GT
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I think the biggest thing it would do is the crank would be in the oil. This wouldn't hurt anything, but it could make it sluggish. It's enough oil I think I would drain some out, but do it out of one of the drain plugs, not the filter. Since your mechanic overfilled it, he should be willing to fix it for free.

So others might chime in, 1.5 cm = .591"
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Old 03-06-2018, 11:24 AM   #3
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If your oil level looks like this Ford say it's fine
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Old 03-19-2018, 12:13 AM   #4
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Yep, up to the F is safe.
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Old 03-19-2018, 05:42 PM   #5
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Quote:
Originally Posted by ALMOST STOCK View Post
If your oil level looks like this Ford say it's fine
I had never seen that graphic before.
After 5 qts, including filter, it's always up to the "F".
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Old 03-19-2018, 09:35 PM   #6
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Quote:
Originally Posted by Blown88GT View Post
I had never seen that graphic before.
After 5 qts, including filter, it's always up to the "F".
It's in the 1989 Mustang Shop Manual.
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Old 04-10-2018, 12:46 AM   #7
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Quote:
Originally Posted by Blown88GT View Post
I had never seen that graphic before.
After 5 qts, including filter, it's always up to the "F".
Its in the Service Manual for my 92.
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Old 07-05-2018, 09:45 AM   #8
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Yep.


It's extra to deal with oil consumption between oil changes. With Mobil 1, I have experienced high oil consumption because the oil evaporates easier for some reason.
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