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#4636527 - 01/16/18 10:05 AM 5w-20 in Ford 4.0 for 80,000 miles.
littleant Offline


Registered: 10/10/17
Posts: 388
Loc: Vermont
Ran into an older gentleman (older then me) at the hardware store and I commented on his 2010 Ford explorer with the 4.0. The vehicle was in great shape with 80,000 miles. He took in in for service Yesterday to the dealer where he purchased. He goes to the dealer for all his work and has all service records. I asked him what oil he use's and he said whatever they put in. He showed me the invoice and the service record printout and it showed XO5W20BSP.
They have been using this oil I believe its bulk 5w-20 synthetic blend since new. Then I opened my mouth and said I believe that is the incorrect oil. It should be 5w-30. He said he believes the dealer knows what they are doing. Told him to check his manual. He did and it said 5w30. He said he was going back to question them (we know what they are going to say). The engine sounded great no noise. He serviced it every 3,000 to 4,000 miles with filter change. I told him to hold on to his service reecords. I know ford sent out a tsb in 2001 changing what oil to use in certain engine's but the 4.0 stayed the same.
Is Is it possible ford corrected the issue that they had with the 4.0 (oil pump? they had 9 years to do it) and changed the oil specifications or added 5w20. These engines have had the timming chain issue back in 97-05?. Do you think any damage was done to his engine. I ask because the guy seemed worried. Would you have brought it to someone's attention? I would think if any damage was done to the engine it would have happened already. Your thoughts.
_________________________
I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0

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#4636536 - 01/16/18 10:14 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
khittner Offline


Registered: 07/13/12
Posts: 307
Loc: Michigan
If his 8yr-old engine has gone this far, and lasted this long on the "wrong oil", how wrong could it really be?

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#4636546 - 01/16/18 10:23 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
tig1 Offline


Registered: 01/03/09
Posts: 13657
Loc: Illinois
My son in law has three Merc Benz and uses reg M1 5-30 in all of them, which two are Diesels and one is the SL 500. I mentioned to him that reg 5-30 M1 wasn't the correct spec but he wasn't concerned. Results: All three engines are performing great. Go figure.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4636547 - 01/16/18 10:24 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
exranger06 Offline


Registered: 01/25/08
Posts: 3907
Loc: Guilford, CT
Ford NEVER back-spec'd 5w20 for this engine. They recommended 5w30 right up until this engine went out of production in 2011. There must've been a reason for it. I would never use 5w20 in mine.
_________________________
2006 Ford Ranger Sport
1992 Honda Accord EX
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#4636549 - 01/16/18 10:28 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
IndyIan Offline


Registered: 09/23/08
Posts: 9092
Loc: Ontario, Canada
If he was towing at max capacity, I could see having an issue with too thin an oil, but for general retired guy driving, I'm sure the 5W20 was fine, perhaps even preferable if the oil never really got heated up?
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07 Focus ZXW, 5spd manual, 206km M1 5W30
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#4636553 - 01/16/18 10:30 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
Ifixyawata Offline


Registered: 09/13/15
Posts: 497
Loc: NE Ohio
Maybe not the newer iterations but I know the earlier 3rd gen Explorers liked to eat timing chains/guides and as such stuck with 5w-30. The whole timing chain issue was why I insisted on a 4.6 while shopping for my Mountaineer.
_________________________
2004 Mercury Mountaineer 4.6 Mobil Custom Blend Xw-30
2001 Ford Focus 2.0 Zetec Pennzoil Euro L 5w-30

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#4636566 - 01/16/18 10:44 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
zeng Offline


Registered: 09/01/15
Posts: 2188
Loc: Malaysia
3000-4000 mi OCI would likely have [email protected]*C shears a Ford blend 5W20 to 7.5-8 cSt.
It's weakest link is probably timing chain wear.

It's saving grace would be short OCI, short tripping, daily driver , cool or cold ambients,no high load/high temperature driving, blend has a tiny bit of Mo etc.


Edited by zeng (01/16/18 10:45 AM)

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#4636622 - 01/16/18 11:47 AM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
littleant Offline


Registered: 10/10/17
Posts: 388
Loc: Vermont
Thanks guys. I put him at 70-75. He's Been to Florida 2 times and California 1 time. Probably Had the vehicle serviced in both states. He is set in 3-4,000 OCI. Why do so many folks have so much confidence in the dealers. What ticks me off is they have all the ford info at their finger tips and are either to lazy or stup## to use it. How is it when taking off the fill cap and seeing 5w30 don't they get.
_________________________
I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0

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#4636671 - 01/16/18 12:40 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
AZjeff Offline


Registered: 01/14/11
Posts: 2632
Loc: PV Az
Is him trusting his Ford dealer really any different than most guys here thinking they know better and using oil different than factory spec?
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86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP *gasp*
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#4636705 - 01/16/18 01:07 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
blupupher Offline


Registered: 08/27/04
Posts: 4421
Loc: Katy, Republic of Texas
Just wondering, is SN 5w-20 better than SL/SJ 5w-30?
Being a 2010, it was probably designed for SL/SJ oils (SM did not come out till 2010).

So is the thinner (and probably more shear stable) SM/SN 5w-20 oil really that bad compared to the thicker SL/SJ 5w-30 oil?

AS said, it has gotten the vehicle to where it is with no apparent issues.
_________________________
1994 Honda VT1100C: Peak 15w-40/TG/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI


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#4636747 - 01/16/18 01:39 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
Black_Thunder Offline


Registered: 09/23/06
Posts: 1285
Loc: Wisconsin
did he show you a receipt for every oil change?


It might have just been a one time screw up.


either way i'm sure it'll be fine.
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#4636765 - 01/16/18 01:56 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: AZjeff]
Cujet Offline


Registered: 02/15/03
Posts: 7146
Loc: Jupiter, Florida
Originally Posted By: AZjeff
Is him trusting his Ford dealer really any different than most guys here thinking they know better and using oil different than factory spec?


Agreed. The manufacturers oil specs and change requirements are always the best choice for long life...We've never seen any manufacturers change requirements.....AND we've never seen any sort of preventable failure when serviced according to manufacturers requirements....
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#4636814 - 01/16/18 02:29 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
Trav Offline


Registered: 11/20/06
Posts: 18856
Loc: MA, Mittelfranken.de
There was a guy here that would have said he is running exactly the right oil with xw20. Given the location and probable operating conditions its probably no worse for wear and tear. From your description I would be surprised if this engine ever really got the oil up to operating temps and over 2500 RPM.
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#4636840 - 01/16/18 02:52 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: Ifixyawata]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: Ifixyawata
...but I know the earlier 3rd gen Explorers liked to eat timing chains/guides and as such stuck with 5w-30.


^^^ THIS

Those late model 4.0 's are REALLY REALLY REALLY difficult to do the chains on, also!!
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4636861 - 01/16/18 03:13 PM Re: 5w-20 in Ford 4.0 for 80,000 miles. [Re: littleant]
ls973800 Offline


Registered: 01/30/13
Posts: 134
Loc: Lake County, Ohio
Originally Posted By: littleant
Thanks guys. I put him at 70-75. He's Been to Florida 2 times and California 1 time. Probably Had the vehicle serviced in both states. He is set in 3-4,000 OCI. Why do so many folks have so much confidence in the dealers. What ticks me off is they have all the ford info at their finger tips and are either to lazy or stup## to use it. How is it when taking off the fill cap and seeing 5w30 don't they get.


Wow, you must live in a world where if someone else does something you don't like, you get all bent out of shape. It's his truck, he's happy having the work done by the dealer, and he hasn't had any problems from what you said.


There are many people on this forum who use something different than what may be recommended by the manufacturer or the oil cap marking, or the owner's manual. Are they all stupid or too lazy also? Do they tick you off also? Can't they be allowed to do what they want with their own vehicles without you posting your rant or getting ticked off?


Why do so many folks have so much confidence in the dealers.


New flash, not all dealers are "stealer ships". Many people have confidence having their vehicles worked on and maintained by dealers. It's their choice again, not yours.

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