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2014 Malibu LS 2.5L recommended oil viscosity #4612764
12/24/17 07:53 AM
12/24/17 07:53 AM
Joined: Oct 2015
Posts: 6
Michigan
Quickster2 Offline OP
Quickster2  Offline OP
Joined: Oct 2015
Posts: 6
Michigan
Has their been an update to the oil recommendations for this motor from Chevy or is everyone sticking to 5W20? My Son is buying a used 1 for commuting. Has the engine been "back spec'd" to 0W20? Thx

Last edited by Quickster2; 12/24/17 07:55 AM.
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4612796
12/24/17 08:22 AM
12/24/17 08:22 AM
Joined: Feb 2003
Posts: 7,679
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,679
Jupiter, Florida
The 2.5 is a very updated version of the ecotec. While it has a new quieter timing chain, and a host of other new and cool features, the ecotec range of engines have traditionally had chain wear issues when people use thin oil and follow the oil life monitor, which is in essence, extended oil change intervals.

Chains are subject to accelerated wear due to particulates. Chains also wear faster with uber thin oils. The combination of thin oils further thinned through fuel dilution and shear via extended intervals, along with particulate accumulation has predictable results.

As always, I'd use a quality synthetic and change it at the severe duty interval. Oil is cheap, engine repairs are not.

Remember, oil changes are the only way to drain out contaminates such as fuel dilution and particulates.

Here is a good website for info on engine configuration and you can clearly see the chains (remember, it's the balancer chain that goes first) :

http://media.gm.com/media/us/en/chevrole..._vibration.html


The good news is that problems are in essence eliminated with the more frequent OCI's.

Last edited by Cujet; 12/24/17 08:31 AM.

People who count on their fingers should maintain a discreet silence.
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4612858
12/24/17 09:17 AM
12/24/17 09:17 AM
Joined: Feb 2007
Posts: 2,081
Los Angeles, California
Durango Offline
Durango  Offline
Joined: Feb 2007
Posts: 2,081
Los Angeles, California
I have two cars in the Chevy brand: 2008 Impala SS 5.3 liter and a 2013 Camaro RS both recommend 5W-30 Dexos. I'm guessing the oil weights haven't changed.


Durango

Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4612873
12/24/17 09:25 AM
12/24/17 09:25 AM
Joined: Feb 2013
Posts: 3,117
Virginia
bigt61 Offline
bigt61  Offline
Joined: Feb 2013
Posts: 3,117
Virginia
I think all the 5W-20 stuff on Chevys has now been changed to 0W-20. My local dealer only has bulk 0W-20 Dexos blend, 5W-30 Dexos blend and 5W-30 non Dexos. If they need anything other than that (like full synthetic), the tech has to walk into parts and get bottles.


92 Suburban 2500 7.4L 58k M1_0w40 5yr OCI
99 Olds Aurora 4.0L 91K M1_5w30 5yr OCI
13 Dodge Dart 2.0L 30k PP 0w20 OLM OCI
70 Camaro 5.7L 59k
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4612876
12/24/17 09:28 AM
12/24/17 09:28 AM
Joined: Nov 2006
Posts: 20,569
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,569
MA, Mittelfranken.de
5w30 and sleep well. Some engines are designed for lighter oils and that's fine but this isn't one of them. Just because it can run on it doesn't mean it should.
0w20 may give a very slight increase in fuel economy which will be within statistical noise of the 5w30 but may also increase engine wear and reduce the engines life expectancy as a trade off. IMHO anything that is back spec;d is not in the consumers best interest.


ASE L1, Master. Deutsch Meisterbrief.
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Cujet] #4612899
12/24/17 09:46 AM
12/24/17 09:46 AM
Joined: Sep 2009
Posts: 16,183
OH
fdcg27 Offline
fdcg27  Offline
Joined: Sep 2009
Posts: 16,183
OH
Wonder whether potential chain wear is what caused Subaru to reduce the recommended OCI on their current engines from 7.5K to 6K?


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: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4612915
12/24/17 10:07 AM
12/24/17 10:07 AM
Joined: Oct 2015
Posts: 6
Michigan
Quickster2 Offline OP
Quickster2  Offline OP
Joined: Oct 2015
Posts: 6
Michigan
After Christmas I'll go to the local dealer and check spec's. The owners manual spec's 5W20 and lists 0W20 as an alternative. Regardless, I will sleep well with either oil. Myself, for our 5 vehicles, all are subject to a 5K OCI. The Viper (OCI based on # of track days) & Ram 6.4L get PUP 0W40. The Cayenne S gets Castrol Edge 0w40 Euro. The Jeep & the Caliber get 5w20 Castrol Edge High Mileage. Wix XP filters except for the Porsche.

Thx for the replies.

Last edited by Quickster2; 12/24/17 10:08 AM.
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4613105
12/24/17 01:40 PM
12/24/17 01:40 PM
Joined: May 2015
Posts: 973
Missouri
gabriel9766 Offline
gabriel9766  Offline
Joined: May 2015
Posts: 973
Missouri
Originally Posted By: Quickster2
After Christmas I'll go to the local dealer and check spec's. The owners manual spec's 5W20 and lists 0W20 as an alternative. Regardless, I will sleep well with either oil. Myself, for our 5 vehicles, all are subject to a 5K OCI. The Viper (OCI based on # of track days) & Ram 6.4L get PUP 0W40. The Cayenne S gets Castrol Edge 0w40 Euro. The Jeep & the Caliber get 5w20 Castrol Edge High Mileage. Wix XP filters except for the Porsche.

Thx for the replies.
my 2015 Malibu with the 2.5L has had nothing but full syn 0w20 since new and last 2 UAO'S have been stellar folling the OLM. I'm running Mobil1 AFE 0W20 right now, next is PPPP 0W20. Just follow the OLM for the 2.5L it is easy on oil. Im at almost 38k now with no problems so far with this car.

Last edited by gabriel9766; 12/24/17 01:44 PM.

2015 Malibu LT 2.5L PPPP 0w20 46.1K
2007 Escape XLT 3.0L 5Q STHM 5w30/1Q MC full syn 5W20 115K
2010 Fusion SE 2.5L MC 0w20 110K
2008 Escape XLT 2.3L MC 5w30 187K
2007 Fusion SE 2.3L- 173.5K STHM 0W20
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4613168
12/24/17 02:47 PM
12/24/17 02:47 PM
Joined: Jul 2015
Posts: 4,654
Down Under
SR5 Offline
SR5  Offline
Joined: Jul 2015
Posts: 4,654
Down Under
GM-Australia say to use Dexos 5W30 on the Malibu


---------------------------------------------------------------------------------
Castrol GTX Ultraclean 15W40 A3/B3 + Wesfil-Cooper Z154
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4613197
12/24/17 03:33 PM
12/24/17 03:33 PM
Joined: Feb 2003
Posts: 7,679
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,679
Jupiter, Florida
Originally Posted By: Quickster2
After Christmas I'll go to the local dealer and check spec's. The owners manual spec's 5W20 and lists 0W20 as an alternative. Regardless, I will sleep well with either oil. Myself, for our 5 vehicles, all are subject to a 5K OCI. The Viper (OCI based on # of track days) & Ram 6.4L get PUP 0W40. The Cayenne S gets Castrol Edge 0w40 Euro. The Jeep & the Caliber get 5w20 Castrol Edge High Mileage. Wix XP filters except for the Porsche.

Thx for the replies.


With that kind of diligence, there won't be a problem. The ecotec's that nearly universally experienced balancer chain failures were going over 8000 miles between changes on cheap oil due to dealer service and poor OLM settings. But it's good to note that the failures did occur WELL before the warranty was up. So, the wear rate was very high.

Also, the few UOA's I've seen from these engines never indicated a serious problem.


People who count on their fingers should maintain a discreet silence.
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4613303
12/24/17 06:18 PM
12/24/17 06:18 PM
Joined: Feb 2003
Posts: 6,003
Cajun Country, La.
BlueOvalFitter Offline
BlueOvalFitter  Offline
Joined: Feb 2003
Posts: 6,003
Cajun Country, La.
Originally Posted By: Quickster2
Has their been an update to the oil recommendations for this motor from Chevy or is everyone sticking to 5W20? My Son is buying a used 1 for commuting. Has the engine been "back spec'd" to 0W20? Thx

What does the manual and oil cap read? That's your answer.

Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4613366
12/24/17 07:57 PM
12/24/17 07:57 PM
Joined: Sep 2008
Posts: 76
St. Catharines Ontario Canada
03s Offline
03s  Offline
Joined: Sep 2008
Posts: 76
St. Catharines Ontario Canada
from the manual. but I'd use full synthetic.

Viscosity Grade
SAE 5W-30 is the best viscosity
grade for the 2.0L L4 engine and
the 2.4L L4 engine. SAE 5W-20 is
the best viscosity grade for the 2.5L
L4 engine. SAE 0W-20 may be
used as an alternative. Do not use
other viscosity grade oils such as
SAE 10W-30, 10W-40, or 20W-50.
Cold Temperature Operation: In an
area of extreme cold, where the
temperature falls below −29C (−20
F), an SAE 0W-30 oil may be used.
An oil of this viscosity grade will
provide easier cold starting for the
engine at extremely low
temperatures. When selecting an oil
of the appropriate viscosity grade,
always select an oil of the correct
specification


Engine Oil Use only engine oil licensed to the dexos1 specification of the proper SAE
viscosity grade. ACDelco dexos1 Synthetic Blend is recommended.


2005 Chevrolet Optra
Kendall GT-1 Max with Liquid Titanium 5W-30
Fram Ultra XG3387A
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4613392
12/24/17 08:30 PM
12/24/17 08:30 PM
Joined: Oct 2015
Posts: 6
Michigan
Quickster2 Offline OP
Quickster2  Offline OP
Joined: Oct 2015
Posts: 6
Michigan
My Son had decided to go with PUP 0W20 & Wix XP filters certainly for this winter here in Michigan. OCI's will be far ahead of the EVIC oil change indicator. My earlier post on the Viper was incorrect. It should of stated Mopar SRT filter for it. Thanks again for the replies. Merry Christmas and Happy Holidays!!!

Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: Quickster2] #4615368
12/27/17 06:13 AM
12/27/17 06:13 AM
Joined: May 2017
Posts: 146
New York Queens
Ram02 Offline
Ram02  Offline
Joined: May 2017
Posts: 146
New York Queens
My Malibu has the same motor Ive up the weight to 5w30 . Its the block and share a lot of the parts from. The 2.0T which uses 5w30. Ive notice no difference since the move


2013 Malibu 2LT M1 5w30
2013 Accord Sport M1 AP 0w20
Re: 2014 Malibu LS 2.5L recommended oil viscosity [Re: 03s] #4615518
12/27/17 08:46 AM
12/27/17 08:46 AM
Joined: Oct 2010
Posts: 7,097
Michigan
A_Harman Offline
A_Harman  Offline
Joined: Oct 2010
Posts: 7,097
Michigan
Originally Posted By: 03s
from the manual. but I'd use full synthetic.

Viscosity Grade
SAE 5W-30 is the best viscosity
grade for the 2.0L L4 engine and
the 2.4L L4 engine. SAE 5W-20 is
the best viscosity grade for the 2.5L
L4 engine. SAE 0W-20 may be
used as an alternative. Do not use
other viscosity grade oils such as
SAE 10W-30, 10W-40, or 20W-50.
Cold Temperature Operation: In an
area of extreme cold, where the
temperature falls below −29C (−20
F), an SAE 0W-30 oil may be used.
An oil of this viscosity grade will
provide easier cold starting for the
engine at extremely low
temperatures. When selecting an oil
of the appropriate viscosity grade,
always select an oil of the correct
specification


Engine Oil Use only engine oil licensed to the dexos1 specification of the proper SAE
viscosity grade. ACDelco dexos1 Synthetic Blend is recommended.


Interesting that GM specifies Xw20 for the 2.5, and Xw30 for the 2.0 and 2.4. It must be the dual-lift rocker arm system and concerns with low temperature switching that drive the 20-weight specification.


1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

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