Removal Procedure

The fuel system hose/pipes are serviceable individually or as a complete fuel/brake bundle assembly, the following procedure is servicing the fuel hose/pipes individually.

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
Fig 1: View Of Chassis Hose/Pipes Retainer
Courtesy of GENERAL MOTORS CORP.
2. Refer to Quick Connect Fitting(s) Service (Metal Collar)  in order to disconnect the following quick connect fittings from the fuel rail:
   • The return hose/pipe (1)
   • The feed hose/pipe (2)

     Plug the open outlet ports to prevent fuel loss and contamination.

3. Disconnect the evaporative emission (EVAP) quick connect fitting (3). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
4. Open the retainer (4) located at the engine control module (ECM) bracket in order to remove the chassis hose/pipes.
Fig 2: Locating Chassis Hose/Pipes Retainer
Courtesy of GENERAL MOTORS CORP.
5. Open the retainer located at the shock tower in order to remove the chassis hose/pipes.
6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Fig 3: Identifying Quick-Connect Fitting At The Fuel Filter Inlet
Courtesy of GENERAL MOTORS CORP.
7. Refer to Quick Connect Fitting(s) Service (Plastic Collar)  in order to disconnect the following quick connect fittings from the chassis bundle:
   • The fuel filter
   • The fuel return hose
   • The fuel EVAP hose

     Plug the open outlet ports to prevent fuel loss and contamination.

Fig 4: Locating Fuel/Brake Bundle Chassis Pipe Retainers Locking Mechanisms
Courtesy of GENERAL MOTORS CORP.
8. Pull the locking mechanism (1) outward in order to disengage the fuel/brake bundle chassis pipe retainers from the rail.
Fig 5: Locating Fuel/Brake Pipe Retainers
Courtesy of GENERAL MOTORS CORP.
9. Open the retainers (1) located at the forward portion of the rail in order to remove the chassis hose/pipes.
10. Complete the following in order to remove the chassis hose/pipes from the retainers (2) located at the rearward portion of the rail:
    1. Pull the retainers (2) free from the rail.
    2. Open the retainers (2) at the top.
    3. Remove the chassis hose/pipes from the retainers (2).
Fig 6: View Of Fuel Filter Bracket, Fuel EVAP Hose & Fuel Return Hose
Courtesy of GENERAL MOTORS CORP.
11. Pull downward in order to disconnect the fuel/brake bundle chassis pipe retainer from the underbody.
12. Remove the bolt securing the fuel filter bracket to the body.
13. Remove the following from the fuel filter bracket:
    • The fuel return hose
    • The fuel EVAP hose
Fig 7: View Of Transmission Support Bolts
Courtesy of GENERAL MOTORS CORP.
14. Remove the bolts securing the transmission support to the underbody, from the right side only.
Fig 8: Pulling Right Side Transmission Support Down
Courtesy of GENERAL MOTORS CORP.
15. Pull the right side transmission support down only enough to allow removal of the chassis fuel hose/pipes.
16. Partially lower the hoist only enough to simultaneously gain access to both the front and rear portions of the chassis fuel hose/pipes.
17. With the aid of an assistant, carefully guide the chassis fuel hose/pipes down through the engine compartment, removing from the bottom.