CAMPAIGN:FUEL PIPE REPLACEMENT FUEL LEAK AT THROTTLE BODY. Chevrolet Citation 1984

For 1990-2009 cars

# CAMPAIGN:FUEL PIPE REPLACEMENT FUEL LEAK AT THROTTLE BODY

#### Models: 1984 - 6000, Phoenix, Citation, Celebrity, Skylark Century, Omega and Clera with 2.5L Engines (LR8)

#### DEFECT:

------- General Motors of Canada has determined that a defect which relates to motor vehicle safety exists in certain early production 1984 Pontiac 6000 and Phoenix, Chevrolet Citation and Celebrity, Buick Skylark and Century Oldsmobile Omega and Clera models equipped with 2.5 litre engines (LR8). The fuel system in these vehicles may leak at the Throttle Body Injection fuel feed pipe connection. Under certain conditions this could result in an underhood fire. Such a fire could, in time, spread to the passenger compartment and cause burn injuries to occupants remaining in the vehicle.

#### DEALER ACTION

Dealers are to replace the fuel feed pipe on all involved vehicles, per instructions in this campaign bulletin.

#### VEHICLES AFFECTED ------------------ 1984 A and X cars as listed below:

Pontiac 6000 Oshawa SOP to E1229929 Phoenix Tarrytown SOP to ET206998 Chevrolet citation Tarrytown SOP to ET125915 Celebrity Framingham SOP to EC117723 Celebrity Oshawa sor to E1108239 Celebrity Oklahoma City SOP to E6852754 Oldsmobile Omega Willow Ruii SOP to EW317814 Ciera Doraville SOP to ED348783 Ciera Frdmingham SOP to EG315635 Buick Skylark Willow Run SOP to EW441303 Century Doraville SOP to ED413145 Century Oklahoma City SOF to E6439881

All affected vehicles have been identified by the VIN listing provided to involved dealers with this bulletin. Any dealer not receiving a listing was not shipped any of the affected vuhicles.

#### DEALER CAMPAIGN RESPONSIBILITY:

Dealers are to service all vehicles subject to this campaign at no charge to owners, regardless of mileage, age of vehicle, or ownership, from this time forward.

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 be sure the campaign correction has been made before reselling or releasing the vehicle.

Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the Dealer, and arrangements made to make the required modification according to instructions contained in this bulletin.

#### CAMPAIGN PROCEDURE:

Refer to Section 4 of the Service Policies and Procedures Manual for the detailed procedure on handling Product Campaigns. Dealers are requested to complete the campaign on all transfers as soon as possible.

#### OWNER NOTIFICATION:

All owners of record at the time of campaign release are shown on the attached computer listing and have been notified by first class mail from General Motors. The listings provided are for campaign activity only and should not be used for any other purpose.

#### PARTS INFORMATION:

Fuel pipe (P/N 10029649) to be ordered through regular channels. (one pipe per vehicle).

#### PARTS AND LABOUR CLAIM INFORMATION:

Credit for the campaign work performed will be paid upon receipt of a properly completed campaign claim card or RAPID terminal transmission in accordance with the following:

Repair Code Operation Time Allowance ----------- --------- -------------- 2A Replace Fuel Feed Pipe .4

Time allowance includes 0.1 hour for Dealer administrative detail associated with this campaign. Parts credit will be based on dealer net plus 30% to cover parts handling.

#### SERVICE PROCEDURE:

1. Relieve fuel pressure.

a. Remove fuse marked "Fuel Pump of from fuse block in passenger compartment.

b. Crank engine - engine will start and run until fuel supply remaining in fuel lines is exhausted. When engine stops, engage starter again for 3 seconds to assure dissipation of any remaining pressure.

c. With ignition "OFF", replace "Fuel Pump" fuse.

#### CAUTION:

Unless this procedure is followed before replacing fuel pipe, fuel spray could occur.

2. Disconnect negative battery cable.

3. Remove air cleaner assembly.

4. Loosen fuel filter clamp screw (Figure 1).

5. Remove fuel feed pipe from Throttle Body Injection Assembly (TBIA). Use a back-up wrench to prevent fuel pipe inlet nut on TBIA from turning. Use a shop cloth to catch any spilled fuel.

6. Remove fuel pipe from fuel filter. Use back-up wrench on fuel filter to prevert filter from turning.

7. Install new fuel pipe. Make sure O-ring seals are in place. Use back-up wrench on both connections. Tighten fuel pipe nuts to 29 N.m (21 lb. ft.)

8. Tighten fuel filter clamp screw securely.

9. Replace air cleaner assembly.

10. Connect negative battery cable.

11. To prime fuel system without cranking engine, connect a fused jumper wire from the positive battery cable to the fuel pump prime connector (black connector, tan/white wire), shown in Figure 2. Allow pump to run while inspecting for fuel leaks.

#### INSTALLATION OF CAMPAIGN IDENTIFICATION LABEL

Clean surface of radiator upper mounting panel and apply a Campaign Identification Label. Make sure the correct campaign number is inserted on the label. This will indicate that the campaign has been completed.

Dear General Motors Customer:

This notice is sent to you in accordance with the requirements of the Canada Motor Vehicle Safety Act.

General Motors of Canada has determined that a defect which relates to motor vehicle safety exists in certain early production 1984 Pontiac 6000 and Phoenix; Chevrolet Citation and Celebrity; Buick Skylark and Regal; Oldsmobile Omega and Ciera models equipped with 2.5 litre engines (LR8). The fuel system in these vehicles may leak at the Throttle Body Injection fuel feed pipe connection. Under certain conditions this could result in an underhood fire. Such a fire could, in time, spread to the passenger compartment and cause burn injuries to occupants remaining in the vehicle.

To prevent the possibility of this condition occurring on your vehicle, your GM Dealer will replace the fuel feed pipe on your vehicle. This service will be performed at no charge to you.

Instructions for making this replacement have been sent to your GM Dealer. Please contact your Dealer to arrange a service date. The labour time necessary to perfom this pipe replacement is approximately 20 minutes. Please ask your Dealer how much additional time will be needed to process your vehicle.

This letter identifies your vehicle. Presentation of this letter to your Dealer will assist their Service personnel in completing the necessary correction to your vehicle in the shortest possible time.

Further assistance, if required, may be obtained from the General Motors Zone Office nearest you. Your vehicle Owner's Manual provides the location and phone number of each respective Zone Office.

We are sorry to cause you this inconvenience; however, we have taken the action in the interest of your continued satisfaction with our products. Your prompt cooperation would be appreciated.

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.