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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System & Fuel System - 5.3L - Introduction) >> Repair Instructions >> Evaporative Emission Hoses/Pipes Replacement - Engine/Chassis >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Clean the evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the line in order the avoid possible system contamination.
    Fig 1: View Of Fuel Feed Line & Evaporative Emission (EVAP) Line
    GM1551868Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  3. Remove the brake master cylinder and reposition. Refer to Master Cylinder Replacement .
  4. Disconnect the EVAP (2) line from the purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
    5. Fig 2: Fuel/Brake Pipe Retainers
    GM1555269Courtesy of GENERAL MOTORS CORP.
  5. Open the fuel/brake pipe retainers (1).
  6. Remove the EVAP line from the fuel/brake pipe retainers (1).
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    8. Fig 3: Fuel/Brake Line Retainer Bolt
    GM1555271Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel/brake line retainer bolt.
  9. Remove the EVAP line from the retainer.
    10. Fig 4: Fuel/Brake Line Push In Retainer
    GM1555273Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel/brake line push in retainer from the underbody.
  11. Remove the EVAP line from the retainer.
    12. Fig 5: Fuel/Brake Pipe Retainer Bolts
    GM1555275Courtesy of GENERAL MOTORS CORP.
  12. Remove the fuel/brake line retainer bolts.
  13. Remove the EVAP line from the retainer.
    14. Fig 6: Rear Fuel/Brake Pipe Retainer
    GM1555277Courtesy of GENERAL MOTORS CORP.
  14. Open the fuel/brake line retainer (1).
  15. Remove the EVAP line from the retainer.
    16. Fig 7: View Of Fuel Feed, EVAP and Fuel Tank Lines
    GM1554561Courtesy of GENERAL MOTORS CORP.
  16. Disconnect the EVAP (4) line from the fuel tank EVAP line (1). Refer to Plastic Collar Quick Connect Fitting Service .
  17. Remove the EVAP line.
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