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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L And 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Evaporative Emission System Hoses/Pipes Replacement (2500 LWB - Intermediate) >> Removal Procedure

Removal Procedure

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IMPORTANT: Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.
    Fig 1: View Of Spare Tire & Stowage Lock Cylinder
    GM1704585Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Quick Connect Fitting Service - Plastic Collar .
  2. Remove the spare tire stowage lock cylinder.
  3. Remove the spare tire.
  4. Drain the rear fuel tank. Refer to Fuel Tank Draining (Dual Tanks - Front)  or Fuel Tank Draining (Dual Tanks - Rear)  or Fuel Tank Draining (Single Tank) .
  5. Remove the rear exhaust insulator.
    6. Fig 2: View Of Spare Tire Hoist Crossmember & Bolts
    GM1705750Courtesy of GENERAL MOTORS CORP.
  6. Remove the spare tire hoist crossmember bolts and crossmember.
    7. Fig 3: View Of EVAP Canister & Quick Connect Fittings
    GM1372543Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the rear fuel tank EVAP line quick connect fittings from the EVAP canister. Refer to Quick Connect Fitting Service - Plastic Collar .
    8. Fig 4: View Of Fuel & EVAP Intermediate Lines At Fuel Tank
    GM1372710Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the fuel and EVAP intermediate line quick connect fittings from the front tank lines. Refer to Quick Connect Fitting Service - Plastic Collar .
    9. Fig 5: View Of Fuel Pressure Sensor Electrical Connector
    GM1372719Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the chassis harness electrical connector (1) from the fuel pressure sensor.
    10. Fig 6: View Of Fuel Tank & Straps
    GM1224381Courtesy of GENERAL MOTORS CORP.
  10. Support the fuel tank with a suitable jack.
  11. Remove the fuel tank strap bolts.
    12. NOTE: Refer to Damage to Fuel Tank Straps Notice .
  12. Remove the fuel tank straps.
  13. With the aid of an assistant, lower the rear tank until the intermediate line connections can be reached.
    14. Fig 7: View Of EVAP Lines & Quick Connect Fittings
    GM1705751Courtesy of GENERAL MOTORS CORP.
  14. Disconnect the fuel and EVAP intermediate line quick connect fittings from the rear tank. Refer to Quick Connect Fitting Service - Plastic Collar .
    15. Fig 8: View Of Fuel & EVAP Intermediate Lines At Fuel Tank
    GM1224396Courtesy of GENERAL MOTORS CORP.
  15. Remove the fuel and EVAP intermediate line assembly.
  16. Cap the fuel and EVAP lines in order to prevent possible EVAP/fuel system contamination.
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