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1 time use of HM oil #4622881
01/03/18 04:42 PM
01/03/18 04:42 PM
Joined: Dec 2002
Posts: 4,148
The Garden State
Whimsey Offline OP
Whimsey  Offline OP
Joined: Dec 2002
Posts: 4,148
The Garden State
I have 6 quarts of Mobil 1 10W-30 HM oil that I'd like to use in our 2017 2.3 EcoBoost Explorer, because I have it left over. This oil has a 3.5 HTHS and a ACEA rating of A3/B3 I believe. Which sounds perfect for a 4 cylinder DI Turbo engine. This would be a 1 time use for this summers trip to FL from NJ., lots of HOT high speed driving. I know what the manual says, and I've been doing even better. But my question is will a one time use of Mobil 1 HM oil cause swelled seals that will leak if I go back to the regular Mobil 1 5W-30. I know what Pat Goss said, yes it will. I tried to email Mobil's email tech address and it was not working. I called the number on the site and I think I got the cafeteria as nobody new anything about oil shrug . I'm just looking to see if a one time use of HM oil causes irreversible damage to the engine seals, that's all, thanks.

Whimsey

Re: 1 time use of HM oil [Re: Whimsey] #4622888
01/03/18 04:48 PM
01/03/18 04:48 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: Whimsey
But my question is will a one time use of Mobil 1 HM oil cause swelled seals that will leak if I go back to the regular Mobil 1 5W-30?


From everything I have read on this forum, the simple answer is NO.


"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: 1 time use of HM oil [Re: Whimsey] #4622895
01/03/18 04:53 PM
01/03/18 04:53 PM
Joined: Jan 2009
Posts: 13,834
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,834
Illinois
Probably OK but try 1-800-ask-mobil. They are normally very helpful.


2007 Ford Fusion 232,000 miles
M1 0-20 EP
2017 Ford Fusion 55K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters

Re: 1 time use of HM oil [Re: Whimsey] #4622900
01/03/18 04:56 PM
01/03/18 04:56 PM
Joined: Mar 2008
Posts: 5,943
Michigan
ZZman Offline
ZZman  Offline
Joined: Mar 2008
Posts: 5,943
Michigan
I wouldn't think it would affect your seals at all being they should still be in good shape.


2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT. Amsoil Metric 10w-40
Re: 1 time use of HM oil [Re: Whimsey] #4622917
01/03/18 05:16 PM
01/03/18 05:16 PM
Joined: Nov 2013
Posts: 1,916
Chicago, IL
EdwardC Offline
EdwardC  Offline
Joined: Nov 2013
Posts: 1,916
Chicago, IL
I can't say for your vehicle specifically, but I've used the HM version periodically when the normal 5W30 or 0W30 AFE was out of stock at Walmart, went back to the non-HM after that and no leaks. If you're really worried (I wouldn't be), use it up slowly in your lawn mower, or 1 qt at a time with each change on the Explorer.

Re: 1 time use of HM oil [Re: Whimsey] #4622931
01/03/18 05:37 PM
01/03/18 05:37 PM
Joined: Dec 2004
Posts: 1,016
Florida /Texas
Mackelroy Offline
Mackelroy  Offline
Joined: Dec 2004
Posts: 1,016
Florida /Texas
If you run HM oil, and the soften seals start leaking (its really 50/50) whether seal swell agents actually cause a leak. If you weren't already leaking .

Seal swell agents will soften and swell any seals, they touch. It wont hurt to go back to normal oil though, what ever damage will already have been done..

IMO , don't even run a seal swell agent unless , you are trying to fix a leak.

Re: 1 time use of HM oil [Re: Whimsey] #4622933
01/03/18 05:38 PM
01/03/18 05:38 PM
Joined: Jul 2015
Posts: 4,624
Down Under
SR5 Offline
SR5  Offline
Joined: Jul 2015
Posts: 4,624
Down Under
You should be fine.


Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154
Re: 1 time use of HM oil [Re: Whimsey] #4622936
01/03/18 05:40 PM
01/03/18 05:40 PM
Joined: Sep 2015
Posts: 5,846
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,846
Kalifornia Kollective
Those seals are so new, it won't do anything. They have to have lost plasticizers before the additives start to do much. Yours will just shrug it off and cruise on smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: 1 time use of HM oil [Re: Whimsey] #4622943
01/03/18 05:53 PM
01/03/18 05:53 PM
Joined: Jul 2015
Posts: 4,624
Down Under
SR5 Offline
SR5  Offline
Joined: Jul 2015
Posts: 4,624
Down Under
And if your modern seals are made of Viton (fluoroplymer) then it won't make a fig of difference either way, new (hurting) or old (helping) as Viton is very chemically stable.


Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154
Re: 1 time use of HM oil [Re: Whimsey] #4623058
01/03/18 07:56 PM
01/03/18 07:56 PM
Joined: Jul 2015
Posts: 477
Pennsylvania
Astro_Guy Offline
Astro_Guy  Offline
Joined: Jul 2015
Posts: 477
Pennsylvania
If in doubt, that M1 10w30 HM would be a great solution for all of you outdoor power equipment needs.


'01 Volvo V70XC, 228k, 0W-40 M1
'16 Accord, 17k, 0W-20 M1 EP
Re: 1 time use of HM oil [Re: Whimsey] #4623121
01/03/18 09:05 PM
01/03/18 09:05 PM
Joined: Jun 2009
Posts: 263
NY
sleepery Offline
sleepery  Offline
Joined: Jun 2009
Posts: 263
NY
I use Valvoline HM Synthetic once per year as my winter oil and go back to conventional for the rest of the year and have had no problems with leaks or consumption in a 99 Explorer .

Re: 1 time use of HM oil [Re: Whimsey] #4623185
01/03/18 10:35 PM
01/03/18 10:35 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
It won't hurt it. Great choice for that motor.


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: 1 time use of HM oil [Re: SilverFusion2010] #4623235
01/03/18 11:19 PM
01/03/18 11:19 PM
Joined: Mar 2015
Posts: 5,022
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,022
Virginia
^^^^^

I agree with SilverFusion.

And Whimsey get ready for a big whomping storm especially if you are near the Atlantic coast.

Last edited by bbhero; 01/03/18 11:20 PM.

Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: 1 time use of HM oil [Re: bbhero] #4623240
01/03/18 11:24 PM
01/03/18 11:24 PM
Joined: Mar 2016
Posts: 1,351
toronto
PeterPolyol Offline
PeterPolyol  Offline
Joined: Mar 2016
Posts: 1,351
toronto
Originally Posted By: bbhero
^^^^^

I agree with SilverFusion.

And Whimsey get ready for a big whomping storm especially if you are near the Atlantic coast.


Poor atlantic maritime region. They take the brunt of it, all the time. The storm you're talking about is being called a "Cyclone bomb" what a ridiculous time to live, where the weather is drunk af and the descriptors are more and more war-related...just a week ago they had to deal with hurricane force winds---- in the absence of a hurricane.

Re: 1 time use of HM oil [Re: SilverFusion2010] #4623245
01/03/18 11:33 PM
01/03/18 11:33 PM
Joined: Jan 2010
Posts: 954
North Carolina
4ever4d Offline
4ever4d  Offline
Joined: Jan 2010
Posts: 954
North Carolina
Originally Posted By: SilverFusion2010
It won't hurt it. Great choice for that motor.

+1 And i will add that continued use will not cause harm to or cause seal leaks. HM oils do not contain seal sweller's but rather seal conditioners. Causing a seal to "swell" would be a sure fire way to break it down and cause leaks. Conditioners keep seals pliable and therefore in good shape longer.


04 Chevy Colorado 3.5 I5 5w-30 OEF
07 Honda Element 2.4 I4 5w-20 OEM
10 Nissan Rogue AWD 2.5 I4 5w-30 OEF
Amsoil Products & Fram or Wix Filters




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