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Home >> Chevrolet >> 2010 >> Traverse LS, AWD >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System & Fuel System - 3.6L - Repair Instructions >> Repair Instructions >> Fuel Pump Replacement (LLT) >> Removal Procedure

Removal Procedure

  1. Relieve the low and high side fuel system pressure. Refer to Fuel Pressure Relief (With CH-48027)  or Fuel Pressure Relief (Without CH-48027) .
  2. Remove the high pressure fuel pump shield. Refer to Fuel Pipe Shield Replacement .
  3. Remove the intake manifold. Refer to INTAKE MANIFOLD REPLACEMENT .
    4. Fig 1: Identifying High Pressure Fuel Pump Components
    GM2221135Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the engine wiring harness electrical connector from the high pressure fuel pump.
  5. Remove the low pressure feed pipe. Refer to Fuel Feed Pipe Replacement (LLT) .
  6. Remove the high pressure pipe. Refer to Fuel Feed Intermediate Pipe Replacement (LLT) . Discard this pipe.
  7. Remove and discard the high pressure fuel pump bolts (1).
  8. Remove the high pressure fuel pump (2).
  9. Remove and discard the high pressure fuel pump O-ring (3).
  10. Remove and discard the high pressure fuel pump gasket (4).
  11. Remove the high pressure fuel pump roller lifter (5).
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