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Oil level & time to change #4727940
04/15/18 03:52 PM
04/15/18 03:52 PM
Joined: Mar 2004
Posts: 20,833
Upstate NY
Donald Offline OP
Donald  Offline OP
Joined: Mar 2004
Posts: 20,833
Upstate NY
So if you are a 1/2 QT low on oil and 1000 miles from oil change would you add oil or change oil early? How about 1 QT low and/or 500 miles from oil change?


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Oil level & time to change [Re: Donald] #4727949
04/15/18 04:00 PM
04/15/18 04:00 PM
Joined: Oct 2009
Posts: 3,345
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,345
Wet side WA
Just a half a quart and 1K to go top off! Lots of people I've seen post on here would be thrilled with that little oil consumption. Oh by the way what is your OIC goal and which of your sig cars is this on.


2004 Corolla 125400
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Oil level & time to change [Re: Donald] #4727956
04/15/18 04:03 PM
04/15/18 04:03 PM
Joined: Mar 2004
Posts: 20,833
Upstate NY
Donald Offline OP
Donald  Offline OP
Joined: Mar 2004
Posts: 20,833
Upstate NY
The Subaru go 6k and hopefully no make up oil. The pickup is very different.

Last edited by Donald; 04/15/18 04:04 PM.

2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Oil level & time to change [Re: Donald] #4727957
04/15/18 04:04 PM
04/15/18 04:04 PM
Joined: Mar 2018
Posts: 675
Mississippi
TheLawnRanger Offline
TheLawnRanger  Offline
Joined: Mar 2018
Posts: 675
Mississippi
Top off. Many people never check their oil and would never know the difference with that small amount. No need to change it.


'99 Cavalier 5w 30 SuperTech conventional
'11 Impala 5w 30 Magnatec full synthetic
'12 Colorado 5w 30 Magnatec full synthetic
*regular Wix oil filters for all
Re: Oil level & time to change [Re: Donald] #4727974
04/15/18 04:29 PM
04/15/18 04:29 PM
Joined: Sep 2013
Posts: 10,534
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,534
Indiana
Top off

Use a cheap 15w40 if you’re worried about price.


03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980

Re: Oil level & time to change [Re: Donald] #4727976
04/15/18 04:30 PM
04/15/18 04:30 PM
Joined: Dec 2011
Posts: 4,897
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 4,897
North Carolina
1/2 quart low... Is that below "full?"

If so, I'd let it ride. Add at the "add" line.


"Zed's dead baby, Zed's dead."
Re: Oil level & time to change [Re: Donald] #4727982
04/15/18 04:35 PM
04/15/18 04:35 PM
Joined: Jul 2005
Posts: 30,623
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,623
NY
I'd top it up.


God Bless Our Troops

Re: Oil level & time to change [Re: Donald] #4727996
04/15/18 04:41 PM
04/15/18 04:41 PM
Joined: May 2012
Posts: 1,591
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,591
The land of USA-made Subies!
There are two schools of thought. After you fill on the new OCI and get the level to the "full" mark of the dipstick, at any point in the OCI you check and it's below the initial point you filled it to, you can:

1. Top it off if that's what makes you feel good.
2. Let it go until you get to the lower end of the marks that say "Add oil".

Reason being, the level on the dipstick can fluctuate from temperature, if the oil is still in the top end of the engine, etc etc etc, and the defining call to action is when the level is at the lowest end of the marks. Whatever makes you feel good is what you should do, because neither method will make a difference to your engine.

Re: Oil level & time to change [Re: Donald] #4727997
04/15/18 04:42 PM
04/15/18 04:42 PM
Joined: Jul 2013
Posts: 2,235
Outer Banks, NC
NormanBuntz Offline
NormanBuntz  Offline
Joined: Jul 2013
Posts: 2,235
Outer Banks, NC
I'd never be a quart low, but with half a quart low, top off.


2017 Honda Odyssey SE, 16K
2013 Honda Accord LX, 58K
2007 Honda Ridgeline RTS, 88K
2007 Infiniti M35, 107K
Re: Oil level & time to change [Re: Donald] #4728055
04/15/18 05:36 PM
04/15/18 05:36 PM
Joined: Sep 2009
Posts: 16,120
OH
fdcg27 Online content
fdcg27  Online Content
Joined: Sep 2009
Posts: 16,120
OH
Leave it alone unless you really want to waste a half a quart of oil.
Engines use at least some oil by design and the dipstick is marked with a safe range.
If the oil is to be drained in a mere 1K, there is really no point in adding half a quart of make-up oil


18 Accord Hybrid FF
17 Forester 18K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i
Re: Oil level & time to change [Re: Donald] #4728067
04/15/18 05:43 PM
04/15/18 05:43 PM
Joined: Dec 2014
Posts: 1,460
NY, USA, etc.
oilpsi2high Offline
oilpsi2high  Offline
Joined: Dec 2014
Posts: 1,460
NY, USA, etc.
I'd always add oil to keep it within proper spec. It's foolish to do otherwise unless you're literally driving home and changing the oil anyway.

Even if I was doing the oil a week later I'd still top it off.

Last edited by oilpsi2high; 04/15/18 05:43 PM.
Re: Oil level & time to change [Re: Donald] #4728069
04/15/18 05:43 PM
04/15/18 05:43 PM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
If you are frugal, top it off to halfway so you will still be in the middle in 500 or 1000 miles.
If you know your oil consumption you can plan for this better. e.g. by topping off at oci halfway point if you only need 1 topoff per oci, or in thirds if you need 2 topoffs per oci.

Last edited by raytseng; 04/15/18 05:45 PM.
Re: Oil level & time to change [Re: Donald] #4728084
04/15/18 05:57 PM
04/15/18 05:57 PM
Joined: Mar 2008
Posts: 5,873
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,873
South Florida
I keep the oil at the full line. Always. What if the car goes a while between checks? What if the car does a few thousand miles before you have the opportunity to check it again? If you always top off the oil when you check it to make sure that its full, it will never get below add.

I do my mother in laws oil changes. It could be a month or two before I see the car again. I always top if off when I check it.


17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30


Re: Oil level & time to change [Re: Donald] #4728091
04/15/18 06:10 PM
04/15/18 06:10 PM
Joined: Mar 2016
Posts: 1,482
Western S.C. since 1996
CR94 Offline
CR94  Offline
Joined: Mar 2016
Posts: 1,482
Western S.C. since 1996
Too many details missing to give a logical answer, including the rate of consumption, planned change interval, value of the vehicle, etc.


2011 Toyota Prius now at 93K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Oil level & time to change [Re: Donald] #4728123
04/15/18 06:39 PM
04/15/18 06:39 PM
Joined: Feb 2013
Posts: 10,887
Phoenix, AZ
Nick1994 Online content
Nick1994  Online Content
Joined: Feb 2013
Posts: 10,887
Phoenix, AZ
1/2 quart low is no problem. It isn't at the add line yet. Run it out another 1k miles.


2015 Hyundai Sonata 2.4L 86k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 230k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
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