130090002 Service Bulletin/Repair Instructions

File in Section:
Service Bulletin
Bulletin No.:

Date:
00 - General Information

13-00-90-002

December, 2013
INFORMATION

Subject:
Information for Vehicles Factory Filled With dexos1™ 5W-20 Oil Are Approved to

Substitute dexos1™ 0W-20 Oil as Optional Top Off and Service Fill
Models:
2013-2014 Cadillac ATS

2013-2014 Chevrolet Malibu

2013-2014 Chevrolet Spark

2014 Chevrolet Impala

Vehicles Equipped With Engine RPO LCV, LKW or LLO
Vehicles Factory Filled With dexos1™

5W-20 Oil Are Approved to Substitute

dexos1™ 0W-20 Oil as Optional Top Off

and Service Fill

The above listed Model Year vehicles, equipped

with the specified engine RPO codes were factory

filled with dexos1™ 5W-20 oil and the engines were

fitted with engine oil fill caps that say: SAE 5W-20

dexos. GM Powertrain has tested, validated and

approved the use of 0W-20 dexos1™ as an

acceptable substitute and optional top off and

service fill for these vehicles.
dexos1™ Information Website

Refer to the following General Motors website for

dexos1™ information about the different licensed

brands that are currently available, Go to: http://

www.gmdexos.com
3511747
dexos1™ Engine Oil Trademark and

Registered Trademark Logos
3512027

Copyright 2013 General Motors LLC. All Rights Reserved.
Page 2
December, 2013
Only those oils displaying the dexos1™ trademark and

a registered trademark logo on the front label of the

container meet the demanding performance

requirements and stringent quality standards set forth

in the dexos1™ specification.

Look on the front label for either of the registered

trademark logos shown above and the 11 digit

alphanumeric dexos® license number on the back label

to identify an authorized, licensed dexos1™ engine oil.

Unless an oil package displays these two markings, the

engine oil is not an authentic, licensed dexos® product

and is not recommended for use in GM vehicles.
dexos1™ Engine Oil Specification

The dexos1™ specification was uniquely designed to

complement the exacting requirements of GM's

advanced engine technology. The specification has

gone through an extensive developmental and testing

process. It requires a number of proprietary tests that

are not included in current industry standards and sets

performance criteria at a level that exceeds many

current standards. The result is a high performance

fluid providing significant wear protection, improved

piston cleanliness, a reduction in volatility and oil

consumption, enhanced aeration control for improved

fuel efficiency, and better oxidation properties.

The reasons for the new dexos1™ engine oil

specification are as follows:

• To meet environmental goals such as increasing

fuel efficiency and reducing engine emissions.

• To promote long engine life.

• To minimize the number of engine oil changes in

order to help meet the goal of lessening the

industry's overall dependence on crude oil.

dexos1™ is a GM-developed engine oil specification

that has been designed to provide the following

benefits:

• Further improve fuel economy, to meet future

corporate average fuel economy (CAFE)

requirements and fuel economy retention by

allowing the oil to maintain its fuel economy

benefits throughout the life of the oil.
•

•

•
Bulletin No.: 13-00-90-002
More robust formulations for added engine

protection and aeration performance.

Support the GM Oil Life System, thereby

minimizing the replacement of engine oil, before

its life has been depleted.

Reduce the duplication of requirements for a large

number of internal GM engine oil specifications.
GM Oil Life System in Conjunction With

dexos1™ Supports Extended Oil

Change Intervals

To help conserve oil while maintaining engine

protection, many GM vehicles are equipped with the

GM Oil Life System. This system can provide oil

change intervals that exceed the traditional 3,000 mile

(5,000 km) recommendation.

The dexos1™ specification, with its requirements for

improved oil robustness, compliments the GM Oil Life

System by supporting extended oil change intervals

over the lifetime of a vehicle.

If all GM customers with GM Oil Life System equipped

vehicles would use the system as intended, GM

estimates that more than 100 million gallons of oil could

be saved annually.

dexos® is a registered trademark of General

Motors LLC

dexos1™ and dexos2™ are trademarks of General

Motors LLC

dexos1™ logos and emblems are registered

trademarks of General Motors, LLC
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these

technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper

service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a

job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your

vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the

information.
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