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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 682 (Battery, Charging System And Starting System - Introduction) >> Repair Instructions >> Starter/Generator Control Module (SGCM) (3-Phase) Cable Replacement (5.3L Engine w/RPO HP2) >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Crossbar Bolts & Bar (2WD)
    GM328107Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the energy storage box (ESB). Refer to Energy Storage Box (ESB) Service Disconnect/Connect (5.3L Engine w/RPO HP2) .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement .
  3. If vehicle is a 2-wheel drive (2WD), support the engine with a suitable adjustable jack.
    IMPORTANT: If the vehicle is a 2WD, it is necessary to remove the crossbar, in order to lower the transmission to access the 3-phase cable connections.
  4. If vehicle is a 2WD, remove the crossbar bolts and bar.
  5. Remove the rear propeller shaft. Refer to Propeller Shaft Replacement - One Piece in Propeller Shaft.
  6. Remove the front propeller shaft, if equipped with 4 wheel drive (4WD). Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  7. Support the transmission with a transmission jack.
  8. Remove the transmission mount nuts.
    Fig 2: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  9. Remove the transmission support bolts and nuts.
  10. Raise the transmission slightly and remove the transmission support.
    Fig 3: View Of Transmission Crossmember
    GM702036Courtesy of GENERAL MOTORS CORP.
  11. Remove the catalytic converter. Refer to Catalytic Converter Replacement (4.3L, 4.8L, and 5.3L Engines) or Catalytic Converter Replacement (6.0L and 8.1L Engines) or Catalytic Converter Replacement (6.6L Engine) in Engine Exhaust.
  12. Remove the transmission heat shield bolts and shield.
    Fig 4: View Of Transmission Heat Shield Bolts & Shield
    GM394459Courtesy of GENERAL MOTORS CORP.
  13. Lower the rear of the transmission, until the 3-phase cable cover is accessible.
  14. Remove the transmission fill tube nut.
  15. Remove the transmission fill tube from the transmission and position aside.
    16. Fig 5: View Of 3-Phase Cable Bracket Cover Bolt (5.3L Engine w/RPO HP2)
    GM1237060Courtesy of GENERAL MOTORS CORP.
  16. Remove the 3-phase cable cover nuts (3) and cover (2).
  17. Remove the 3-phase cable nuts (4).
  18. Remove the 3-phase cable from the stator studs.
  19. Raise the transmission.
  20. Reinstall the transmission support and bolts.
    Fig 6: View Of Transmission Crossmember
    GM702036Courtesy of GENERAL MOTORS CORP.
  21. Lower the transmission onto the support.
  22. Remove the transmission jack.
  23. Lower the vehicle.
    24. Fig 7: View Of SGCM, Cover & Bolts
    GM1237061Courtesy of GENERAL MOTORS CORP.
  24. Remove the starter/generator control module (SGCM) cover bolts, and cover.
  25. Remove the 3-phase cable nuts.
  26. Remove the 3-phase cable from the SGCM studs.
  27. Remove the passenger side rear spark plug wire from the coil.
  28. Remove the 3-phase cable bracket nuts (2).
    Fig 8: View Of 3-Phase Cable Bracket Cover Bolt (5.3L Engine w/RPO HP2)
    GM1237060Courtesy of GENERAL MOTORS CORP.
  29. Remove the 3-phase cable (with bracket) from the vehicle.
  30. Remove the 3-phase cable bracket cover bolt (1) and cover (5), if necessary.
  31. Remove the 3-phase cable from the bracket, if necessary.
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