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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1137 (Engine Controls And Fuel - 3.6L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Feed Intermediate Pipe Replacement (LLT) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement (LP1, LY7) or Fuel Injector Sight Shield Replacement (LLT) .
  2. Remove the high pressure pump shield. Refer to Fuel Pipe Shield Replacement (LLT) .
  3. Relieve fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027 - LY7)  or Fuel Pressure Relief (Without CH 48027 - LY7)  or Fuel Pressure Relief (With High Pressure Pump - LLT) .
    4. Fig 1: Identifying High Pressure Pipe Fitting, Left Fuel Rail & High Pressure Fuel Pipe
    GM1977757Courtesy of GENERAL MOTORS CORP.
  4. Loosen the high pressure pipe fitting to the high pressure fuel pump (1).
  5. Loosen the high pressure pipe fitting to the left fuel rail (3).
  6. Remove the high pressure fuel pipe (2) from the vehicle. Discard this pipe.
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