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 Relieving Fuel Pressure Warning .
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027)  or Fuel Pressure Relief (Without CH 48027) .
Fig 1: View Of Quick-Connect Fitting Retainer
Courtesy of GENERAL MOTORS CORP.
2. Remove the fuel pipe retaining clip from the fuel pipe. Refer to Metal Collar Quick Connect Fitting Service .
Fig 2: Top Of Engine View
Courtesy of GENERAL MOTORS CORP.
3. Disconnect the fuel pipe (2) from the fuel rail. Refer to Plastic Collar Quick Connect Fitting Service .
4. Disconnect the evaporative emission (EVAP) purge line (3) from the purge solenoid.
5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Fig 3: View Of Fuel Pipes And Fuel Tank Bundle
Courtesy of GENERAL MOTORS CORP.
6. Disconnect the fuel pipes from the fuel tank bundle.
Fig 4: Locating Fuel/Brake Bundle Chassis Pipe Retainers Locking Mechanisms
Courtesy of GENERAL MOTORS CORP.
7. Pull the locking mechanism (1) outward in order to disengage the fuel/brake bundle chassis pipe retainers from the rail.
Fig 5: Exploded View Of Chassis Hose/Pipes Retainers
Courtesy of GENERAL MOTORS CORP.
8. Open the retainers (1) located at the forward portion of the rail in order to remove the chassis hose/pipes.
9. 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: Exploded View Of Fuel/Brake Bundle Chassis Pipe Retainer
Courtesy of GENERAL MOTORS CORP.
10. Pull downward in order to disconnect the fuel/brake bundle chassis pipe retainer from the underbody.
11. Remove the EVAP hose from the retainer.
Fig 7: View Of Transmission Support Bolts
Courtesy of GENERAL MOTORS CORP.
12. 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.
13. Pull the right side transmission support down only enough to allow removal of the chassis fuel hose/pipes.
14. Partially lower the hoist only enough to simultaneously gain access to both the front and rear portions of the chassis fuel hose/pipes.
15. With the aid of an assistant, carefully guide the chassis fuel hose/pipes down through the engine compartment, removing from the bottom.