CAMPAIGN:EMISSION LABEL ERROR
SUBJECT: TUNE-UP LABEL SCHEMATIC DRAWING ERROR
MODELS: 1994 C/K TRUCKS, P TRUCKS, AND G VANS EQUIPPED WITH 7.4L ENGINES (RPO L19 - VIN CODE N)
General Motors has determined that CERTAIN 1994 C/K trucks, P trucks, and G vans equipped with 7.4L engines (RPO L19 - VIN Code N) were shipped with an incorrect emission vacuum hose routing schematic on the transmission (tune-up) label.
To correct this condition, it will be necessary to install a new emission label on the air cleaner. Since a new label can easily be installed, and to reduce owner inconvenience, the label will be sent with instructions directly to owners of record. Owners may install the label on the air cleaner of their vehicle. However, if they desire, they may bring the label to their GMC dealer for installation at no charge.
VEHICLES INVOLVED
Involved are CERTAIN 1994 C/K trucks, P trucks, and G vans equipped with 7.4L engines (RPO L19 - VIN Code N) built within the following VIN breakpoints:
Year Model Plant From Through
1994 C3500 HD Janesville SOP RJ514891 1994 C/K Janesville SOP RJ736543 1994 C/K Pontiac East SOP RE533407 1994 P Detroit SOP R3501090 1994 G Flint SOP RF519430
NOTICE: SOP is "Start of Production"
The specific vehicles involved in this campaign have been identified by Vehicle Identification Number Computer Listings. These listings are furnished to all involved dealers with the campaign bulletin. Dealers should confirm vehicle eligibility through VISS (Vehicle Information Service System) Or SERVICENET prior to beginning campaign repairs.
DEALER CAMPAIGN RESPONSIBILITY
Dealers are to service all vehicles subject to this campaign at no charge to owners, regardless o mileage, age of vehicle, or ownership, from this time forward. Dealers are to correct all affected vehicles in new and used vehicle stock prior to their sale.
Whenever a vehicle subject to this campaign is taken into your new or used vehicle inventory, or it is in your dealership for service in the future, you should take the steps necessary to ensure the campaign correction has been made before reselling or releasing the vehicle.
Owners of vehicles recently sold from your vehicle inventory are to be contacted by the dealer and arrangements made to make the required correction according to instructions contained in this bulletin. If the name and address of the owner of an involved vehicle was unavailable to GMC Truck Division at the time of campaign initiation, the dealer must determine the owner's name and address from the dealership sales records. Please provide this information directly on the second copy of the listing next to the applicable VIN so that our records may be updated and the appropriate notification mailed to the owner. This second copy should then be submitted to the address listed below in the previously supplied yellow campaign envelopes.
GMC Truck Division General Motors Corporation 101 Union Street Plymouth, Michigan 48170
OWNER NOTIFICATION
Owners will be notified of this campaign on their vehicles by GMC Truck Division (see copy of owner letter included with this bulletin). A listing of owner names and addresses has been furnished to the involved dealers to enable dealers to follow up with owners involved in this campaign. This listing may contain owner names and addresses obtained from State Motor Vehicle Registration records. The use of such motor vehicle registration data for any other purpose is a violation of law in several states. Accordingly, you are urged to limit the use of this listing to this campaign.
SERVICE PROCEDURE
1. Open hood (C/K), or remove engine cover (P,G) of vehicle.
2. Using a clean, dry cloth, wipe dirt, oil, etc. from the existing Emission Label on the side of the air cleaner.
3. Remove backing from the new label and apply over the existing label.
4. Beginning at the center of the label and using a clean, dry cloth, smooth and secure the new label. Any air bubbles can be removed by puncturing with a pin and smoothing with the cloth.
NOTICE: Do not attempt to remove or loosen the new label once it has been applied, as this will deface the label.
5. Install "Campaign Identification Label."
PARTS INFORMATION
A new label for each vehicle involved will be mailed to owners of record and involved dealers (stock vehicles) on a no charge basis. DO NOT ORDER THIS PART FROM GMSPO.
Part Number Description Quantity
12552260 Emission Label- C/K trucks (except C3500 HD) 1 Broadcast code: TSS (replaces THW) 12552261 Emission Label - C3500 HD Trucks (15,000# GVW 1 - RPO C5B Broadcast code: TST (replaces THX) 12552263 Emission Label: G vans 1 Broadcast code: TSW (replaces TJF) 12552255 Emission Label - P32 model (14,800 - RPO C3D, 1 16,000# - RPO C7P, or 14,500# RPO C7S GVW's): P52 model (14,500# GVW - RPO C7S): P62 model 14,100# GVW -RPO C7M) Broadcast code: TSL (replaces THZ) 12552256 Emission Label -P32/P52 models (10,500# GVW - 1 RPO C7C, 11,000# - RPO C7E, 11,800# - RPO C7J or 12,300# RPO C7N GVWs): P62 model (11,000# - RPO C7E or 12,000# - RPO C7L GVWs) Broadcast code: TSN (replaces TJB) 12552257 Emission Label - P42 model (12,000# GVW - RPO 1 C7L) Broadcast Code: TSP (replaces TJC)
WARRANTY INFORMATION
Dealers should submit a warranty claim on each vehicle completed under this campaign.
Labor Operation *Time Trouble Number Description Allowance Code --------- ----------- --------- ------- V8880 Install label - C/K, P truck 0.2 hrs. 96
V8881 Install label G Van 0.4 hrs. 96
For dealer to receive Administrative Time Allowance associated with this campaign, add 0.1 hour to the Labor Operation Time Allowance.
CAMPAIGN IDENTIFICATION LABEL
Each vehicle corrected in accordance with the instructions outlined in this Product Campaign Bulletin will require a "Campaign Identification Label." Each label provides a space to include the campaign number and five (5) digit dealer code of the dealer performing the campaign service. This information may be inserted with a typewriter or ball point pen.
Each "Campaign Identification Label" is to be located on the radiator core support in an area which will be visible when the vehicle is brought in for periodic servicing by the owner.
Apply "Campaign Identification Label" only on a clean, dry surface.
ADMINISTRATIVE PROCEDURE
Procedures covering this campaign are outlined in Section V of your dealership's "GMC Truck Warranty Claims Processing Manual" #P9119.
LABEL INSTALLATION INSTRUCTIONS
1. Open hood (C/K), or remove engine cover (P,G) of vehicle (please refer to your owner's manual for removal instructions).
2. Using a clean, dry cloth, wipe dirt, oil, etc. from the existing Emission Label on the side of the air cleaner.
3. Remove backing from the new label and apply over the existing label.
4. Beginning at the center of the label and using a clean, dry cloth, smooth and secure the new label. Any air bubbles can be removed by puncturing with a pin and smoothing with the cloth.
NOTICE: Do not attempt to remove or loosen the new label once it has been applied, as this will deface the label.
Dear GMC Truck Owner:
General Motors has determined that certain 1994 C/K trucks, P trucks, and G vans equipped with 7.4L engines were shipped with an incorrect emission vacuum hose routing schematic on the emission (tune-up) label.
To correct this condition, it is necessary to install a new emission label on the air cleaner. Since a new label can easily be installed, and to reduce your inconvenience, we are enclosing a label with installation instructions. The new label may be installed by you on the air cleaner of your vehicle. However, if you desire, your GMC dealer will install the label for you at no charge.
Please let us know if you elect to install the label yourself by completing the enclosed postage paid owner reply card and returning it to us. This assists us in assuring that all affected vehicles have been corrected. If you have sold or traded your vehicle, please let us know by completing the postage paid reply card and returning it to us.
Your GMC Truck dealer is best equipped to provide service to ensure your vehicle is corrected as promptly as possible. However, if you take your vehicle to your dealer on the agreed service date and they do not service this condition on that date or within five days, we recommend you contact GMC Truck Consumer Relations. Consumer Relations will assist you and your dealer in getting your vehicle corrected. The telephone number of the Consumer Relations office is listed in your Warranty and Owner Assistance Information Manual.
After contacting your GMC Truck dealer and the Zone Office, if you are still not satisfied that we have done our best to remedy this condition without charge within a reasonable time, you may wish to write the Environmental Protection Division (EN-340F), United States Environmental Protection Agency, 401 M Street, S.W., Washington, D.C. 20460. To ensure your full protection under the emission warranty made applicable to your vehicle by Federal Law, and your right to participate in future recalls, it is recommended that you have your vehicle serviced as soon as possible. Failure to do so could legally be determined to be lack of proper maintenance of your vehicle. Also, your vehicle may fail a state or local emission inspection test if the recall work is not accomplished.
Should your dealer find that your emission system has been intentionally disabled, you will be asked if you wish the system to be restored so that it will function as designed. The cost of such restoration will be your responsibility.
The enclosed postage paid owner reply card identifies your vehicle. Presentation of this card to your dealer will assist in making the necessary correction to your vehicle in the shortest possible time. If you have sold or traded your vehicle, please furnish us the complete name and address of the person you sold or traded your vehicle to and return the card to us.
We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your continued satisfaction with our product.
GMC TRUCK DIVISION GENERAL MOTORS CORPORATION
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those 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 a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.
