Workshop Repair and Service Manuals GMC SIERRA
Articles

04-06-04-051C Maintenance Cleaning of Fuel Injectors - (Apr 19 2012)

Rating:

Subject:Maintenance Cleaning of Fuel Injectors

#04-06-04-051C: Maintenance Cleaning of Fuel Injectors - (Apr 19, 2012)

Models: 2013 and Prior GM Passenger Cars and Trucks
  

This bulletin is being revised to add model years and Parts Information. Please discardCorporate Bulletin Number 04-06-04-051B (Section 06 – Engine/Propulsion System).

General Motors is aware that some companies are marketing tools, equipment and programsto support fuel injector cleaning as a preventative maintenance procedure. General Motors does not endorse, support or acknowledge theneed for fuel injector cleaning as a preventative maintenance procedure. Fuel injector cleaning is approved only when performed asdirected by a published GM driveabilityor DTC diagnostic service procedure.

Due to variation in fuel quality in different areas of the country, the only preventative maintenance currently endorsed by GM regarding its gasoline engine fuel systems isthe addition of GM Fuel System Treatment PLUS added to a tank of fuel at each oilchange.

Parts Information

Part Number

Description

U.S. 88861013 (for U.S. ACDelco, use 10-3003)

GM Fuel System Treatment PLUS 20 oz Bottle (Treats up to 20 gallons of fuel)

U.S. 88861262 (for U.S. ACDelco, use 10-3004)

GM Fuel System Treatment PLUS 12 oz Bottle (Treats up to 12 gallons of fuel)

Canada 88861012

GM Fuel System treatment PLUS 591-ml Bottle (Treats up to 75L of fuel)

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.

#04-06-04-051C: Maintenance Cleaning of Fuel Injectors - (Apr 19, 2012)

WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION

04-06-01-029G Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules (U S Only) - (Sep 27 2012)     Subject: Unscheduled Supplemental Services (Including Flushing Services and Additives) andProper use of GM Simplified Maintenance Schedules (U.S. Only) Models:  2013 and Prior GM Passenger Cars and Trucks...
Diesel Particulate Filter     The Duramax engine is equipped with a Diesel Particulate Filter (DPF) that, by design,will filter or trap particulates. The DPF is located under the vehicle in the exhaustsystem. Depending on a number of factors monitored by...
Front Full Frame Sectioning (Light Duty only)     Removal Procedure The re-designed frame assembly for the new Pick-Up andUtility Trucks is a mild steel, hydroformed frame assembly. Apre-sleeved replacement front frame service section, consisting ofthe left and right frame...
Special Application Services     Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000mi.Have underbody flushing service performed once a year. For Pickups Replace the fuel filter when the CHANGE FUEL FILTER message in the...
Recommended Fluids and Lubricants     Fluids identified below are specific to the hybrid vehicle and can be obtained fromyour dealer. See the owner manual for the other fluids and lubricants recommendedfor the vehicle. Usage Fluid/Lubricant Drive...
Inspection Maintenance System Check     Refer to the appropriate diagnostic procedure below for thevehicle being serviced. Inspection/Maintenance System Checkfor the 4.3L engineInspection/Maintenance System Checkfor the 4.8L, 5.3L, 6.0L,6.2L or 7.0L...