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Home › Cadillac › 2008 › XLR V › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 4.4L - Introduction › Repair Instructions › Fuel Hose/Pipes Replacement - Chassis › Installation Procedure

Installation Procedure

IMPORTANT:
  • Follow the same routing as the original pipe.
  • Secure the pipe in order to prevent chafing.
  • Do not kink or bend the pipe.
    Fig 1: View Of Chassis Pipes & Underbody Retainers
    GM329574Courtesy of GENERAL MOTORS CORP.
  1. Install the chassis fuel pipe (5) into the underbody retainers (6).
  2. Connect the chassis fuel feed pipe.
    3. Fig 2: View Of Driveline Tunnel Closeout Panel & Bolts
    GM67894Courtesy of GENERAL MOTORS CORP.
  3. Install the floor panel tunnel panel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement .
  4. Install the exhaust intermediate pipe. Refer to Intermediate Pipe Replacement .
  5. Lower the vehicle.
  6. Remove the cap from the engine compartment fuel feed pipe.
    7. Fig 3: View Of Chassis Fuel & EVAP Pipe Retainer & Upper Front Of Dash Mounting Stud
    GM931859Courtesy of GENERAL MOTORS CORP.
  7. Connect the chassis fuel and EVAP pipe retainer (1) at the upper front of dash mounting stud (3).

    Tighten:  Tighten the fuel and EVAP pipe retainer nut to 6 N.m (53 lb in).

    8. Fig 4: View of Fuel Feed Hose
    GM1685821Courtesy of GENERAL MOTORS CORP.
  8. Connect the fuel feed hose (3) to the chassis fuel feed pipe (2). Refer to Metal Collar Quick Connect Fitting Service .
  9. Tighten the fuel filler cap.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  11. Perform the following procedure in order to inspect for leaks:
    1. Turn the ignition switch ON for 2 seconds.
    2. Turn the ignition switch OFF for 10 seconds.
    3. Turn the ignition switch ON.
    4. Inspect for fuel leaks.
  12. Install the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .
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