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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) >> Installation Procedure

Installation 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. Install the generator bracket.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the generator bracket bolts.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    3. Fig 1: View Of Generator Bracket & Bolts (6.6L (LB7))
    GM798876Courtesy of GENERAL MOTORS CORP.
  3. Install the oil separator hose to the bracket.
  4. Position the oil separator hose clamp at the bottom of the generator bracket.
  5. If equipped, position the vacuum pump. Install the EGR vacuum pump bolts (1, 2).

    Tighten:  Tighten the bolts to 22 N.m (16 lb ft).

    6. Fig 2: View Of EGR Vacuum Pump Bolts (6.6L (LB7))
    GM788903Courtesy of GENERAL MOTORS CORP.
  6. If equipped, install the vacuum line to the EGR valve vacuum pump.
    7. Fig 3: View Of EGR Valve Vacuum Pump Vacuum Line (6.6L (LB7))
    GM788902Courtesy of GENERAL MOTORS CORP.
  7. Install the oil separator hose to the pipe.
  8. Position the oil separator hose clamp at the side of the generator bracket.
    9. Fig 4: View Of PCV Oil Separator & Bracket (6.6L (LB7))
    GM698198Courtesy of GENERAL MOTORS CORP.
  9. Install the fuel bleed valve and nuts.

    Tighten:  Tighten the nuts to 25 N.m (18 lb ft).

  10. Install the drive belt tensioner and bolt. Align the pin on the tensioner with the hole in the bracket.

    Tighten:  Tighten the bolt to 41 N.m (30 lb ft).

  11. Install the left idler pulley and bolt.
  12. Install the right idler pulley and bolt.

    Tighten:  Tighten the bolts to 43 N.m (32 lb ft).

    13. Fig 5: View Of Right & Left Idler Pulleys & Drive Belt Tensioner (6.6L (LB7))
    GM798945Courtesy of GENERAL MOTORS CORP.
  13. Position the generator and install the bolts.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    14. Fig 6: View Of Generator & Bolts (6.6L (LB7))
    GM660347Courtesy of GENERAL MOTORS CORP.
  14. Install the outlet heater hose bracket bolt (2).

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

    15. Fig 7: View Of Heater Outlet Nut & Bolt (6.6L (LB7))
    GM665386Courtesy of GENERAL MOTORS CORP.
  15. Install 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.
  16. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 6.6L.
  17. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 6.6L.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
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