Chevrolet Equinox Service Manual: #04-06-04-047L: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) – U.S. Only - (Nov 7, 2013)

Subject:	TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance,Stall Concerns) – U.S. Only
Models:	2014 and Prior GM Cars and Trucks (U.S. Only)

This bulletin has been revised to add the 2014 model year. Please discard CorporateBulletin Number 04-06-04-047K. In Canada, refer to the latest version of CorporateBulletin Number 05-06-04-022.

A new class of fuel called TOP TIER Detergent Gasoline is appearing at retail stationsof some fuel marketers. This gasoline meets detergency standards developed by sixautomotive companies. All vehicles will benefit from using TOP TIER Detergent Gasolineover gasoline containing the “Lowest Additive Concentration” set by the EPA. Thosevehicles that have experienced deposit related concerns may especially benefit fromthe use of TOPTIER Detergent Gasoline.

(1)	Intake valve: 10,000 miles with TOP TIER Detergent Gasoline
(2)	Intake valve: 10,000 miles with Legal Minimum additive

Gasoline Brands (U.S.) That Currently Meet TOP TIER Detergent Gasoline Standards

As of July 1, 2012, all grades of the following gasoline brands meet the TOP TIERDetergent Gasoline Standards:

76 StationsAloha PetroleumBPChevronConocoCountryMarkEntec StationsExxonHawaii Fueling Network (HFN)Holiday Stationstores Inc.Kwik Trip Kwik StarMFA Oil Co.Mileage StationsMobilOhana FuelsPhillips 66QuickTripRoad RangerScheirl OilShellTexacoTri-Par Oil Co.U.S. Oil

What is TOP TIER Detergent Gasoline-

TOP TIER Detergent Gasoline is a new class of gasoline with enhanced detergency. Itmeets new, voluntary deposit control standards developed by six automotive companiesthat exceed the detergent requirements imposed by the EPA.

Where Can TOP TIER Detergent Gasoline Be Purchased-

The TOP TIER program began on May 3, 2004 and many fuel marketers have joined theprogram and have introduced TOP TIER Detergent Gasoline. This is a voluntary programand not all fuel marketers will offer this product. Once fuel marketers make publicannouncements, they will appear on a list of brands that meet the TOP TIER standards.

Where Can I find the Latest Information on TOP TIER Fuel and Retailers-

On the web, please visit www.toptiergas.com for additional information and updated retailer lists.

Who developed TOP TIER Detergent Gasoline standards-

TOP TIER Detergent Gasoline standards were developed by six automotive companies:Audi, BMW, General Motors, Honda, Toyota and Volkswagen.

Why was TOP TIER Detergent Gasoline developed-

TOP TIER Detergent Gasoline was developed to increase the level of detergent additivein gasoline. The EPA requires that all gasoline sold in the U.S. contain a detergentadditive. However, the requirement is minimal and in many cases, is not sufficientto keep engines clean. In order to meet TOP TIER Detergent Gasoline standards, a higherlevel of detergent is needed than what is required by the EPA. Also, TOP TIER wasdeveloped to givefuel marketers the opportunity to differentiate their product.

Why did the six automotive companies join together to develop TOP TIER-

All six corporations recognized the benefits to both the vehicle and the consumer.Also, joining together emphasized that low detergency is an issue of concern to severalautomotive companies.

What are the benefits of TOP TIER Detergent Gasoline-

TOP TIER Detergent Gasoline will help keep engines cleaner than gasoline containingthe “Lowest Additive Concentration” set by the EPA. Clean engines help provide optimalfuel economy and performance and reduced emissions. Also, use of TOP TIER DetergentGasoline will help reduce deposit related concerns.

GM bulletins are intended for use by professional technicians,NOT a "do-it-yourselfer".  They are written to inform thesetechnicians of conditions that may occur on some vehicles, or toprovide information that could assist in the proper service of avehicle.  Properly trained technicians have the equipment,tools, safety instructions, and know-how to do a job properly andsafely.  If a condition is described, DO NOT assume that thebulletin applies to your vehicle, or that your vehicle will havethat condition.  See your GM dealer for information on whetheryour vehicle may benefit from the information.

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