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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 981 (Battery, Charging System & Starting System) >> Repair Instructions >> Generator Bracket Replacement (6.6L (LB7) Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 6.6L.
  3. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 6.6L.
  4. Remove the upper fan shroud. Refer to Fan Shroud Replacement - Upper (W/O M74) or Fan Shroud Replacement - Upper (W/M74) or Fan Shroud Replacement - Upper (W/HP2) in Engine Cooling.
  5. Remove the outlet heater hose bracket bolt (2).
    6. Fig 1: View Of Heater Outlet Nut & Bolt
    GM665386Courtesy of GENERAL MOTORS CORP.
    Fig 2: View Of Generator & Bolts (6.6L (LB7))
    GM660347Courtesy of GENERAL MOTORS CORP.
  6. Remove the generator bolts and reposition the generator aside. The electrical connections can remain attached to the generator.
  7. Remove the right idler pulley bolt and pulley.
  8. Remove the left idler pulley bolt and pulley.
  9. Remove the drive belt tensioner bolt and tensioner.
    10. Fig 3: View Of Right & Left Idler Pulleys & Drive Belt Tensioner (6.6L (LB7))
    GM798945Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel bleed valve nuts and valve.
  11. Reposition the oil separator hose clamp at the side of the generator bracket.
  12. Remove the oil separator hose from the pipe.
    13. Fig 4: View Of PCV Oil Separator & Bracket (6.6L (LB7))
    GM698198Courtesy of GENERAL MOTORS CORP.
  13. If equipped, remove the vacuum line from the exhaust gas recirculation (EGR) valve vacuum pump.
    14. Fig 5: View Of EGR Valve Vacuum Pump Vacuum Line (6.6L (LB7))
    GM788902Courtesy of GENERAL MOTORS CORP.
  14. If equipped, remove the EGR vacuum pump bolts (1, 2). Reposition the vacuum pump.
    15. Fig 6: View Of EGR Vacuum Pump Bolts (6.6L (LB7))
    GM788903Courtesy of GENERAL MOTORS CORP.
  15. Reposition the oil separator hose clamp at the bottom of the generator bracket.
  16. Remove the oil separator hose from the bracket.
  17. Remove the generator bracket bolts.
  18. Remove the generator bracket.
    19. Fig 7: View Of Generator Bracket & Bolts (6.6L (LB7))
    GM798876Courtesy of GENERAL MOTORS CORP.
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