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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1142 (Engine Controls - 6.0L - Alternative Fuels (Introduction)) >> Repair Instructions >> Fuel Hoses/Pipes Replacement - Intermediate Pressure Regulator (IPR) to Fuel Rail - Bank 1 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
    2. CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical in the C/K Pickup service manual.
    3. Fig 1: Identifying IPR Fuel Outlet Lines Components
    GM757010Courtesy of GENERAL MOTORS CORP.
  3. Remove the intermediate pressure regulator (IPR) fuel outlet line hold-down nut (6).
  4. Remove the fuel outlet line hold down (4).
  5. Disconnect the IPR fuel outlet lines (5, 8) from the IPR (2).
  6. Loosen the IPR fuel outlet line screw clamp (9) at the fuel rail.
  7. Remove the IPR fuel outlet line hold downs (7) at the fuel rail.
  8. Remove the IPR fuel outlet line from the vehicle.
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