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Mazda Changed the Maximum OCI for SkyActiv Lineup #4692301
03/12/18 10:04 AM
03/12/18 10:04 AM
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
RamFan Offline OP
RamFan  Offline OP
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
Hi all!

As some of you may be aware, I've been doing several UOAs on my CX-5 as I thought the OLM system was a bit optimistic. Check out this thread for review. I mailed my 4th sample on 3/6 so hopefully I get those results soon. In doing more research I stumbled on a Mazda specific forum and was made aware that the OCI was shortened starting in '18. I decided to dig into that statement, at first I thought that this was perhaps done since Mazda introduced cylinder deactivation for MY18, but that wasn't correct. The change actually occurred for MY17, this means that Mazda decreased the maximum interval on a largely unaltered engine. Has Mazda perhaps noticed that their OLM was letting owners go a bit too far and decided to scale back?

The 2016 2.5l produces 184 horsepower, whereas the 2017 produces 187. I can't find any materials which highlight mechanical changes made to earn this increase, I have however read that there were tweaks made to throttle/transmission response so I assume that these were software/electronic changes. If anyone is has more information, please share.

Below are the snippets from each respective manual.

2016

2017


18 Giulia Ti Sport
+2.0l turbo - Factory fill & filter
16.5 CX-5 Touring
+2.5l - 48k - SynPower w/ Maxlife 0w20 - PureOne - 8k/1yr
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692321
03/12/18 10:32 AM
03/12/18 10:32 AM
Joined: Mar 2012
Posts: 1,281
San Antonio, TX
E150GT Online content
E150GT  Online Content
Joined: Mar 2012
Posts: 1,281
San Antonio, TX
interesting. I know the OLM is very optimistic. I believe I had gone 8k miles and it said I still had 50% life left. I started changing my oil around 6k miles even though I can barely even make it to 3k without having to top off the oil.


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692337
03/12/18 10:50 AM
03/12/18 10:50 AM
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
For 2017 the SkyActiv 2.5 Engine got a slightly redesigned piston and newly designed rings.

For my CX5 Iím still sticking with 5k oci since I short trip and 5k is about one year anyway.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692361
03/12/18 11:19 AM
03/12/18 11:19 AM
Joined: May 2002
Posts: 20,792
Oakville, Ontario
Patman Online content
Patman  Online Content
Joined: May 2002
Posts: 20,792
Oakville, Ontario
Maybe they've noticed too much fuel dilution with the longer intervals so they decided to scale it back just to be safe?


2018 Corvette (M1 5w30 ESP Formula & Fram Ultra)
2006 Civic EX Coupe (PUP 5w20 & Fram Ultra)
2010 BMW 328i X-Drive (GC 0w40 & Fram Ultra)

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: Patman] #4692368
03/12/18 11:24 AM
03/12/18 11:24 AM
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
RamFan Offline OP
RamFan  Offline OP
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
Originally Posted By: Patman
Maybe they've noticed too much fuel dilution with the longer intervals so they decided to scale it back just to be safe?


This is precisely what I'm wondering. If I had to assume, I'd say this is the answer.

I have an e-mail out to Mazda so we shall see what, if anything, they say.


18 Giulia Ti Sport
+2.0l turbo - Factory fill & filter
16.5 CX-5 Touring
+2.5l - 48k - SynPower w/ Maxlife 0w20 - PureOne - 8k/1yr
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692377
03/12/18 11:34 AM
03/12/18 11:34 AM
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
When I picked up our 17 the salesman gave us the two options for oil change intervals, 5000 and 7500 miles. The IOM was never mentioned.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: PimTac] #4692378
03/12/18 11:37 AM
03/12/18 11:37 AM
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
RamFan Offline OP
RamFan  Offline OP
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
Originally Posted By: PimTac
When I picked up our 17 the salesman gave us the two options for oil change intervals, 5000 and 7500 miles. The IOM was never mentioned.


I'm actually impressed by this. I've never had a salesman know about the maintenance protocol when purchasing a vehicle. Wish more salesmen would truly learn about the vehicles they're selling.


18 Giulia Ti Sport
+2.0l turbo - Factory fill & filter
16.5 CX-5 Touring
+2.5l - 48k - SynPower w/ Maxlife 0w20 - PureOne - 8k/1yr
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692381
03/12/18 11:39 AM
03/12/18 11:39 AM
Joined: Sep 2012
Posts: 5,382
DFW
DBMaster Offline
DBMaster  Offline
Joined: Sep 2012
Posts: 5,382
DFW
The manual for my 2012 Skyactiv indicates 7,500 as the OCI. I've been going 30,000 with microGreen filters so I change the filter every 10K and the oil every 30K with a total of one quart of top-off oil after the filter changes. UOA results were decent, too.

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692384
03/12/18 11:44 AM
03/12/18 11:44 AM
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
This video has some explanations of the changes for 2017.

https://youtu.be/nMke4Fl4gyw


The only change I know if for 2018 is the cylinder deactivation.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: DBMaster] #4692400
03/12/18 11:58 AM
03/12/18 11:58 AM
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
RamFan Offline OP
RamFan  Offline OP
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
Originally Posted By: DBMaster
The manual for my 2012 Skyactiv indicates 7,500 as the OCI. I've been going 30,000 with microGreen filters so I change the filter every 10K and the oil every 30K with a total of one quart of top-off oil after the filter changes. UOA results were decent, too.


Starting with 2016 Mazda put an OLM in the CX-5. The caveat was that if you reach 1 year or 10k miles you need to change the oil regardless of what the OLM says. This was changed in 2017 to a maximum of 1 year or 7.5k miles.


18 Giulia Ti Sport
+2.0l turbo - Factory fill & filter
16.5 CX-5 Touring
+2.5l - 48k - SynPower w/ Maxlife 0w20 - PureOne - 8k/1yr
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: PimTac] #4692405
03/12/18 12:03 PM
03/12/18 12:03 PM
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
RamFan Offline OP
RamFan  Offline OP
Joined: May 2010
Posts: 2,032
Illinois, U.S.A
Originally Posted By: PimTac
This video has some explanations of the changes for 2017.

https://youtu.be/nMke4Fl4gyw


The only change I know if for 2018 is the cylinder deactivation.


Great video, thank you!


18 Giulia Ti Sport
+2.0l turbo - Factory fill & filter
16.5 CX-5 Touring
+2.5l - 48k - SynPower w/ Maxlife 0w20 - PureOne - 8k/1yr
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692413
03/12/18 12:10 PM
03/12/18 12:10 PM
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
Originally Posted By: RamFan
Originally Posted By: PimTac
This video has some explanations of the changes for 2017.

https://youtu.be/nMke4Fl4gyw


The only change I know if for 2018 is the cylinder deactivation.


Great video, thank you!




There was another video by Dave Coleman where he held one of the new rings to show but I cannot find it anymore. Itís a bi-directional design.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692492
03/12/18 02:16 PM
03/12/18 02:16 PM
Joined: Feb 2013
Posts: 3,226
Central Virginia
Silverado12 Offline
Silverado12  Offline
Joined: Feb 2013
Posts: 3,226
Central Virginia
The best OLM is on my 2010 Mustang GT. It always goes off within 5,000 miles so I can rely on it. Others have gone as long as 8,000 miles on GM cars. I think that's too long as many had issues with timing chains, etc.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692637
03/12/18 04:42 PM
03/12/18 04:42 PM
Joined: Mar 2008
Posts: 6,834
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 6,834
USA
Glad to know Mazda is using a real OLM now thumbsup

Re: Mazda Changed the Maximum OCI for SkyActiv Lineup [Re: RamFan] #4692642
03/12/18 04:47 PM
03/12/18 04:47 PM
Joined: May 2010
Posts: 9,060
North Carolina
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,060
North Carolina
In our 2017 cx-5 i turned off the OLM and went with set reminder for 5k.

Last edited by spasm3; 03/12/18 04:47 PM.

13 elantra 70k 5w30 QSUD
03 chevy avalanche79k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 5600 miles m1 0w30
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