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Home >> Chevrolet >> 2009 >> Cutaway 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - Introduction >> Repair Instructions >> Fuel Injection Pump Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Fuel Injection Pump
    GM1336114Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel injection pump to the block.
  2. Install the fuel injection pump bolts and tighten to 21 N.m (15 lb ft).
  3. Install the hoses to fuel lines.
  4. Position the injection pump hose clamps at the fuel line.
  5. Connect the injection pump electrical connector.
  6. Install the center intake manifold. Refer to Center Intake Manifold Replacement (LMM) .
  7. Install the left fuel rail fuel feed pipe. Refer to Fuel Injection Fuel Feed Front Pipe Replacement - Right Side .
  8. Install the left fuel rail fuel feed pipe. Refer to Fuel Injection Fuel Feed Front Pipe Replacement - Left Side .
  9. Install the thermostat housing crossover.
    10. Fig 2: Identifying Wiring Harness Retainer
    GM1601448Courtesy of GENERAL MOTORS CORP.
  10. Prime the fuel system. Refer to Fuel System Priming .
  11. Start the engine.

    If the engine stalls, repeat the above step.

  12. Once the engine starts, inspect for fuel leaks.
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