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Why have to wait to add oil until at tbottom line? #4466956
07/22/17 08:03 AM
07/22/17 08:03 AM
Joined: Jun 2008
Posts: 192
Texas
AnarchyX Offline OP
AnarchyX  Offline OP
Joined: Jun 2008
Posts: 192
Texas
So the manual says to not add oil if it is low until it gets to the bottom line.

Coming from the old school of keeping the oil level filled at all times, why is the car company (Ford in this case) saying to not fill it to the full line until it goes one quart low? And will something go wrong if I do?

It just doesn't make sense to have a "full line" if it doesn't have to be kept full.

Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466960
07/22/17 08:13 AM
07/22/17 08:13 AM
Joined: Oct 2015
Posts: 2,792
Balearic Islands , Spain
FordCapriDriver Offline
FordCapriDriver  Offline
Joined: Oct 2015
Posts: 2,792
Balearic Islands , Spain
It makes no sense, disregard it...
What Ford is it?


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.

Finnish expat in Spain.
Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466964
07/22/17 08:14 AM
07/22/17 08:14 AM
Joined: Mar 2013
Posts: 5,020
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 5,020
The Midwest
Because it's not needed and the auto makers don't want you to feel like you must add oil if it only needs 1/2 a pint. That and they don't trust the average person to not overfill the engine with oil. Me? If it's 1/2 way between the full and the add mark, I'm adding oil.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Wanted: 2019 Ford Ranger
Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466967
07/22/17 08:19 AM
07/22/17 08:19 AM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
Waco, TX
Originally Posted By: AnarchyX
So the manual says to not add oil if it is low until it gets to the bottom line.


What does the manual say, verbatim?
Does is specifically advise against it?

I'm also in the camp of "1/2 way down, add 1/2 quart"


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Why have to wait to add oil until at tbottom line? [Re: skyactiv] #4466973
07/22/17 08:25 AM
07/22/17 08:25 AM
Joined: Jul 2015
Posts: 3,772
MD
AirgunSavant Offline
AirgunSavant  Offline
Joined: Jul 2015
Posts: 3,772
MD
Originally Posted By: skyactiv
Because it's not needed and the auto makers don't want you to feel like you must add oil if it only needs 1/2 a pint. That and they don't trust the average person to not overfill the engine with oil. Me? If it's 1/2 way between the full and the add mark, I'm adding oil.


Yip!!

Re: Why have to wait to add oil until at tbottom line? [Re: Linctex] #4466974
07/22/17 08:26 AM
07/22/17 08:26 AM
Joined: Jun 2008
Posts: 192
Texas
AnarchyX Offline OP
AnarchyX  Offline OP
Joined: Jun 2008
Posts: 192
Texas
Originally Posted By: Linctex
Originally Posted By: AnarchyX
So the manual says to not add oil if it is low until it gets to the bottom line.


What does the manual say, verbatim?
Does is specifically advise against it?

I'm also in the camp of "1/2 way down, add 1/2 quart"



From the manual:
"Note: If the oil level is between the
maximum and minimum marks, the oil level
is acceptable. Do not add oil"

Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466977
07/22/17 08:29 AM
07/22/17 08:29 AM
Joined: Mar 2008
Posts: 5,960
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,960
South Florida
I keep it near the top. Why? Why not. If I go on a last minute 15 hour long drive I know that the oil is good, and not near the bottom.


17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 Maxlife Syn 5W30
06 GMC Sierra Nextgen 10W30


Re: Why have to wait to add oil until at tbottom line? [Re: skyactiv] #4466978
07/22/17 08:32 AM
07/22/17 08:32 AM
Joined: Dec 2014
Posts: 1,684
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,684
'murica
Originally Posted By: skyactiv
they don't trust the average person to not overfill the engine with oil


Yup. Remember the pictures that everybody saw last week where washer fluid was poured in the sump?

Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466982
07/22/17 08:38 AM
07/22/17 08:38 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: AnarchyX
Originally Posted By: Linctex
Originally Posted By: AnarchyX
So the manual says to not add oil if it is low until it gets to the bottom line.


What does the manual say, verbatim?
Does is specifically advise against it?

I'm also in the camp of "1/2 way down, add 1/2 quart"



From the manual:
"Note: If the oil level is between the
maximum and minimum marks, the oil level
is acceptable. Do not add oil"


There is nothing in that instruction that says you have to keep your oil at the MAX or FULL line either.

The manufacturer is saying that the MIN on the dipstick is sufficient to provide proper lubrication to your engine.

Sit back, enjoy your morning coffee and revel in the fact that the biggest worry in your life is whether to add 1/2 quart of oil or not.

In other words, LIFE IS GOOD.


Multiple Diesel and Gasoline vehicles
Re: Why have to wait to add oil until at tbottom line? [Re: Ethan1] #4466984
07/22/17 08:39 AM
07/22/17 08:39 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: Ethan1
Originally Posted By: skyactiv
they don't trust the average person to not overfill the engine with oil


Yup. Remember the pictures that everybody saw last week where washer fluid was poured in the sump?


BINGO.


Multiple Diesel and Gasoline vehicles
Re: Why have to wait to add oil until at tbottom line? [Re: bubbatime] #4466986
07/22/17 08:40 AM
07/22/17 08:40 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: bubbatime
I keep it near the top. Why? Why not. If I go on a last minute 15 hour long drive I know that the oil is good, and not near the bottom.


Great advice for everyone planning on driving half way across the country at the last minute. grin


Multiple Diesel and Gasoline vehicles
Re: Why have to wait to add oil until at tbottom line? [Re: ArcticDriver] #4466987
07/22/17 08:43 AM
07/22/17 08:43 AM
Joined: Jun 2008
Posts: 192
Texas
AnarchyX Offline OP
AnarchyX  Offline OP
Joined: Jun 2008
Posts: 192
Texas
Originally Posted By: ArcticDriver
Originally Posted By: AnarchyX
Originally Posted By: Linctex
Originally Posted By: AnarchyX
So the manual says to not add oil if it is low until it gets to the bottom line.


What does the manual say, verbatim?
Does is specifically advise against it?

I'm also in the camp of "1/2 way down, add 1/2 quart"



From the manual:
"Note: If the oil level is between the
maximum and minimum marks, the oil level
is acceptable. Do not add oil"


There is nothing in that instruction that says you have to keep your oil at the MAX or FULL line either.

The manufacturer is saying that the MIN on the dipstick is sufficient to provide proper lubrication to your engine.

Sit back, enjoy your morning coffee and revel in the fact that the biggest worry in your life is whether to add 1/2 quart of oil or not.

In other words, LIFE IS GOOD.



When you put it like that, THANKS!!!

Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466989
07/22/17 08:46 AM
07/22/17 08:46 AM
Joined: Jan 2011
Posts: 1,066
Columbus Nebraska
old1 Offline
old1  Offline
Joined: Jan 2011
Posts: 1,066
Columbus Nebraska
My take on it is that if it is only down a partial quart, most people would not try to add only a partial quart, but put in the full quart, thereby having it overfull. Although I don't know about these new cars, but when I have had older cars that used a little (or a lot) of oil, I always filled them at least a 1/2 qt. overfull. My OPE I always fill a little over the full mark, and my stuff runs forever it seems, and never any oil related problems.


2017 Nissan Frontier 4.0 5w30
1965 Mustang 200 c/4 10w30 QS defy
1964 Ford Ranchero 302 c/4 15/40 Delo
1929 ford model A No filters, and 15/40 oil
Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466997
07/22/17 08:58 AM
07/22/17 08:58 AM
Joined: Dec 2011
Posts: 598
Upstate NY
Wheel Offline
Wheel  Offline
Joined: Dec 2011
Posts: 598
Upstate NY
I'm torn on this for one reason. Is it likely that the dipstick lines are non linear and you'd end up over or underfilling ?


2009 Subaru Legacy (N/A)
Castrol Edge and Subie (Fram) filter
Re: Why have to wait to add oil until at tbottom line? [Re: AnarchyX] #4466998
07/22/17 08:58 AM
07/22/17 08:58 AM
Joined: Mar 2017
Posts: 6,463
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 6,463
...
The full line is there for a reason. I like to keep my crankcase full. Some vehicles have small sump capacities. Why run your vehicle on 10-15-20% less oil?


Cannot see signatures any longer so it doesn’t matter.
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