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#4656125 - 02/04/18 04:33 PM 5w-30 when 5w-20 is required
Belo Offline


Registered: 02/04/18
Posts: 2
Loc: Rochester, NY
Google lead me here and I appreciate the help.

2015 explorer limited. v6 (no eco). 25k miles. 5w-20 required.

story
Place an online order through autozone for 6 quarts of 5w-20 mobile one synthetic yesterday. Picked it up today to do the oil change. Running a bunch of errands to get ready for the game and not paying attention. Do the change, nice and clean and it's not until I go to dump the old oil back into the bottles that I noticed my 5 quarts was 5w-30... The single quart was the correct 5w-20. Receipt and order were both correct.

So I'm an engineer and anal about stuff (hence doing my own oil changes in upstate ny winter). Google shows mixed results stating mostly that i'll be ok. However it could reduce mileage, hp and cause extra wear. It also seems that newer cars have tighter specs. So I plan to go back to see if they'll refund me 6 new quarts. But curious if they don't what risk i'm in? I probably wouldn't care if just the single quart was off. How big a deal is this for the next 7.5k?

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#4656126 - 02/04/18 04:36 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
Reddy45 Offline


Registered: 08/15/08
Posts: 2967
Loc: USA
You'll be fine.

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#4656130 - 02/04/18 04:45 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
Insertcoolname Offline


Registered: 08/28/17
Posts: 157
Loc: South Texas
The 5w30 u used is probably resource conserving (a thin 30)
Currently running 5w30 in my families 5.4 which asks for 5w20
The engine sounds the same...no noticeable drop in fuel efficiency
Consumption decreased running 5w30 vs 5w20
Still getting about 17 mpg highway
The difference in kinematic viscosity of running an ilsac 5w20 and 5w30 is very small
9.0 ish to 10.x (m1 website says theirs is 11.0) at running temp.
I wouldnt worry but its ur vehicle
_________________________
04 Camry 2az-fe 2.4L 200k M1 HiMi 10w30
Bosch D+ filter

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#4656132 - 02/04/18 04:45 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
dave1251 Offline


Registered: 07/15/05
Posts: 8675
Loc: Maricopa, AZ
Your engine will not know the difference of a few tenths of a Cst. I use 10w30 in a Focus which recommends 5W20 and I use 5W30 in a Ram which recommends 5W30.
_________________________
make the inside of your engine oil cap white.
don't use.

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#4656134 - 02/04/18 04:48 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
FlyNavyP3 Offline


Registered: 07/04/16
Posts: 1407
Loc: Jacksonville, FL
Absolutely nothing to worry about. I completely understand your concern and desire to work on your own vehicle. I'm the same way. I can show you lots of used oil analysis running everything from an SAE30 that would be at home in a lawnmower to a 5w20 and even a 20w50 in a vehicle that specifies 5w30, guess what happened. You guessed it, nothing. You're good to go! Also welcome to the madness that is BITOG.
_________________________
Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander

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#4656137 - 02/04/18 04:52 PM Re: 5w-30 when 5w-20 is required [Re: Reddy45]
Astro14 Offline


Registered: 10/10/10
Posts: 8536
Loc: Virginia Beach
Originally Posted By: Reddy45
You'll be fine.


+1
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

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#4656141 - 02/04/18 04:54 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
KCJeep Offline


Registered: 06/30/11
Posts: 6996
Loc: Mahzurrah!
Beyond fine, 5w30 would be all that vehicle would ever see if it was mine. All my Fords get 5w30.
_________________________
09 Lincoln MKZ AWD 91k - M1 AFE 0w30
12 KIA Sedona 86k - Edge 0w40
09 Ford Focus 129k - GTX UltraClean 5w30
00 Chevy Lumina 195k - Supertech FS HM 5w30
04 Jeep Grand Cherokee gone but not forgotten...

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#4656146 - 02/04/18 05:01 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
dlundblad Online   happy


Registered: 09/30/13
Posts: 10019
Loc: Indiana
That same engine in the ecoboost form would need a 5w30. You are fine.
_________________________
03 Jeep WJ 4.0 199k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 145k Rotella T5 10w30 Fram TG3980


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#4656150 - 02/04/18 05:04 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
sasilverbullet Online   content


Registered: 08/22/04
Posts: 1422
Loc: San Antonio, Texas
Originally Posted By: Belo
...So I'm an engineer and anal about stuff...


Welcome to BITOG! You'll fit right in!

welcome

Oh, and don't worry about the 5w-30...
_________________________
14 Honda Civic 4dr EX-L-M1 0W-20 & WIX XP
14 Honda Accord 4dr EX-L 4cyl-M1 0W-20 & WIX XP
02 Chevy 5.7L van-GTX HM 10W-40 & WIX filter

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#4656157 - 02/04/18 05:16 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6148
Loc: USA
welcome

Using 5w30 will be fine smile

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#4656160 - 02/04/18 05:18 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
MRtv Offline


Registered: 01/04/16
Posts: 207
Loc: Ada county Idaho
Welcome to the craziness you'll discover BITOG can be. It is a fun place. Lots of learning and absorbing everything you ever want to know about oil and your vehicle.

Don't worry one bit about the 5w30. MAYBE you might notice a .1 or .2 less mpg. Most likely you won't see any change. I have used both in my 4.6 ford engine. Can't tell any difference.
_________________________
2014 Nissan Versa Note 1.6 liter engine. 1997 Ford F150 4x4 4.6 liter engine.

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#4656162 - 02/04/18 05:24 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
eyeofthetiger Offline


Registered: 11/18/17
Posts: 683
Loc: South Carolina
My Ford specifies 5W-20, but I would rather use 5W-30 considering that it is a turbo GDI. But for the warranty period, I will stick to the 20 and save my receipts.
_________________________
2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh

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#4656174 - 02/04/18 05:46 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1709
Loc: Alberta
Welcome. Many here would argue that the need for 5-20 was mandated by the need for CAFE gas mileage requirements, but otherwise Ford would have asked for 5-30. I plan on doing a UOC on (used oil analysis) my 5-20 oil to see if there are signs of higher wear. Now back to the Super Bowl!

SF cheers


Edited by Snagglefoot (02/04/18 05:48 PM)

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#4656175 - 02/04/18 05:47 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
fdcg27 Offline


Registered: 09/25/09
Posts: 15693
Loc: OH
Either is a 5W qualified oil, so there can be no concerns with using either at low starting temperatures.
The 5W-30 is a little thicker at operating temperature and has a little higher HTHSv, but these may well be advantages rather than the opposite.
There will necessarily be some loss in fuel economy, but it will be subtle enough to be viewed as no more than theoretical. You likely won't see enough of a difference to notice it or measure it.
Nothing to worry about in this case.
_________________________
17 Forester 12K MSS 0W-20
12 Accord LX 86K PP 5W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i

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#4656190 - 02/04/18 06:19 PM Re: 5w-30 when 5w-20 is required [Re: Belo]
SR5 Offline


Registered: 07/07/15
Posts: 4462
Loc: Down Under
Nothing to worry about. The M1 5W30 would be my pick anyway.
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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