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Home >> Cadillac >> 2010 >> DTS 4.6 Y >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 4.6L - Repair Instructions - >> Repair Instructions >> Filler Tube Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Locating Fuel Tank Fill Pocket Opening Grommet
    GM1671967Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel tank fill pipe in through the opening in the pocket.
  2. Install the fuel tank fill pocket opening grommet. Ensure all 4 retaining tabs are seated.
  3. Raise the vehicle.
    4. Fig 2: Identifying Fuel Fill Pipe Vent Line & Fuel Tank Vapor Line Quick Connect Fittings
    GM1671749Courtesy of GENERAL MOTORS CORP.
  4. Connect the fill pipe vent line (2) quick connect fitting to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
    5. Fig 3: Fuel Fill Pipe Ground Strap
    GM1671968Courtesy of GENERAL MOTORS CORP.
  5. Position the ground strap to the bracket.
    6. CAUTION: Refer to Fastener Caution .
  6. Install the fuel fill pipe ground strap bolt.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    7. Fig 4: Identifying Fuel Tank EVAP Recirculation Line Quick Connect Fitting
    GM1671747Courtesy of GENERAL MOTORS CORP.
    NOTE: Clean the fill pipe or any dirt or debris. Ensure the fill pipe is installed to the original depth to the fill hose. The fill pipe bead must be inserted into the hose past the clamp position.
  7. Connect the fuel tank EVAP recirculation line quick connect fitting (1) to the fill pipe line. Refer to Plastic Collar Quick Connect Fitting Service .
  8. Connect the fuel fill hose (2) to the fuel fill pipe.
    9. Fig 5: Identifying Fuel Fill Hose Clamp
    GM1671746Courtesy of GENERAL MOTORS CORP.
  9. Tighten the fuel fill hose clamp (1) at the fill pipe.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

  10. Install the left rear wheel house liner. Refer to Rear Wheelhouse Panel Liner Replacement .
  11. Inspect the fuel tank fill pocket opening grommet. Ensure the grommet is seated flush to the body.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  13. Perform the following procedure in order to inspect for leaks:
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
  14. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
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