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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 875 (Battery, Charging System And Starting System) >> Repair Instructions >> Generator Replacement (4.3L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to Battery Disconnect Caution .
    Fig 1: View Of Engine Wiring Harness & Components
    GM1876999Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (w/Single Battery)  or Battery Negative Cable Disconnection and Connection (w/Auxiliary Battery)  or Battery Negative Cable Disconnection and Connection (w/Dual Batteries) .
  2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  3. Remove the drive belt. Refer to Drive Belt Replacement .
  4. Remove the engine wiring harness clip (1) from the air conditioning (A/C) compressor/condenser hose bracket.
    5. Fig 2: View Of A/C Compressor & Condenser Hose Bracket & Bolt
    GM1877551Courtesy of GENERAL MOTORS CORP.
  5. Remove the A/C compressor and condenser hose bracket bolt (2).
    6. Fig 3: View Of Heater Outlet Hose & Clamp Bolt
    GM1877575Courtesy of GENERAL MOTORS CORP.
  6. Remove the heater outlet hose clamp bolt (1) at the generator bracket.
    7. Fig 4: View Of Engine Wiring Harness & Components
    GM1876492Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the engine wiring harness electrical connector (5) from the generator.
  8. Reposition the engine wiring harness boot (6).
  9. Remove the engine wiring harness nut (3) from the generator.
  10. Remove the engine wiring harness lead (4) from the generator stud.
    11. Fig 5: View Of Generator & Bolts
    GM1877576Courtesy of GENERAL MOTORS CORP.
  11. Remove the generator bolts.
  12. Reposition the heater outlet, and AC compressor/condenser hoses as necessary in order to remove the generator.
  13. Remove the generator from the generator bracket.
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