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.

WARNING: Refer to Gasoline/Gasoline Vapors Warning .
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (CH 48027)  or Fuel Pressure Relief (Without CH 48027) .
Fig 1: Fuel Line-To-Fuel Rail Connection
Courtesy of GENERAL MOTORS CORP.
2. Disconnect the feed hose/pipe (1) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
3. Plug the open ports to prevent fuel loss and contamination.
Fig 2: EVAP Quick Connect Fitting & Electrical Connector
Courtesy of GENERAL MOTORS CORP.
4. Disconnect the evaporative emission (EVAP) quick connect fitting (2). Refer to Plastic Collar Quick Connect Fitting Service .
Fig 3: Hose Retainers
Courtesy of GENERAL MOTORS CORP.
5. Open the retainers (1 and 2) located at the rear of the engine and on the front of dash.
6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Fig 4: Fuel Filter & Fittings
Courtesy of GENERAL MOTORS CORP.
7. Refer to Plastic Collar Quick Connect Fitting Service  and Metal Collar Quick Connect Fitting Service  in order to disconnect the following quick connect fittings from the chassis bundle:
   • The fuel filter (2)
   • The fuel hose
   • The fuel EVAP hose

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

Fig 5: 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 6: Chassis Hose/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).
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.
Fig 7: Transmission Support Bolts
Courtesy of GENERAL MOTORS CORP.
13. 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.
14. Pull the right side transmission support down only enough to allow removal of the chassis fuel hose/pipes.
15. Partially lower the hoist only enough to simultaneously gain access to both the front and rear portions of the chassis fuel hose/pipes.
16. With the aid of an assistant, carefully guide the chassis fuel hose/pipes down through the engine compartment, removing from the bottom.