GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 DeVille 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Fuel Injection Control Module Harness Assembly Removal

    Object Number: 755187 Size: SH
  1. Disconnect the four injector harness connectors.
  2. Disconnect the turbocharger boost sensor connector.

    3. Object Number: 755191 Size: SH
  3. Disconnect the fuel injection control module connectors.
  4. Disconnect the engine coolant temperature sensor connector.

    5. Object Number: 755194 Size: SH
  5. Disconnect the crankshaft position sensor connector.

    6. Object Number: 761235 Size: SH
  6. Remove the two engine block ground bolts from the right front side of the engine.

    7. Object Number: 674680 Size: SH
  7. Remove the main engine harness connector hold down bolts (1, 2).
  8. Remove the main engine harness connectors.

    9. Object Number: 761227 Size: SH
  9. Remove the turbocharger coolant inlet hose from the turbocharger.

    10. Object Number: 755196 Size: SH
  10. Remove the water outlet bolts.
  11. Remove the water outlet.
  12. Remove the O-ring from the water outlet and discard.

    13. Object Number: 755200 Size: SH
  13. Disconnect the fuel rail pressure regulator valve connector.
  14. Disconnect the fuel injection control module harness to the oil level sensor harness connector.
  15. Disconnect the barometric pressure sensor connector.

    16. Object Number: 755205 Size: SH
  16. Disconnect the fuel temperature sensor connector.

    17. Object Number: 755210 Size: SH
  17. Disconnect the 3 fuel injector control module harness to glow plug controller connectors.
  18. Remove the fuel injection control module harness assembly.

    19. Object Number: 660434 Size: SH
  19. Remove the main engine harness connector bracket bolts.
  20. Remove the main engine harness connector bracket.