GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Generator Bracket Replacement

Generator Bracket Replacement 4.3L

Removal Procedure

    Object Number: 1877553 Size: SH
  1. Remove the generator. Refer to Generator Replacement.
  2. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  3. Remove the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Right Side.
  4. Remove the generator bracket bolts and nut.
  5. Remove the generator bracket.

Installation Procedure

    Object Number: 1877553 Size: SH
  1. Install the generator bracket onto the stud.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the generator bracket bolts and nut.

    3. Tighten
    Tighten the bolts/nut to 41 N·m (30 lb ft).

  3. Install the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement - Right Side.
  4. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  5. Install the generator. Refer to Generator Replacement.

Generator Bracket Replacement 6.6L

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1873088 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the fan assembly. Refer to fan replacement Fan Replacement.
  3. Remove the intake air heater. Refer to Intake Air Heater Replacement.
  4. Remove the generator. Refer to Generator Replacement.
  5. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  6. Remove the engine wiring harness clip from the oil level indicator tube bracket (2).
  7. Remove the oil level indicator tube bolt (3).
  8. Remove the oil level indicator tube bracket bolts (1).
  9. Remove the oil level indicator tube bracket (2).

    10. Object Number: 1871896 Size: SH
  10. Remove the heater inlet hose bracket nut (4) from the fuel filter adapter stud (1).
  11. Remove the heater inlet hose bracket nut (3) from the generator bracket stud (2).
  12. Reposition the heater inlet hose/pipe for clearance.

    13. Object Number: 1874235 Size: SH
  13. Remove the fuel feed pipe bracket bolts (1).

    14. Object Number: 1874236 Size: SH
  14. Remove the engine wiring harness clip bolt (1).
  15. Reposition the engine wiring harness out of the way.

    16. Object Number: 1874237 Size: SH
  16. Remove the generator bracket bolts (1)and nuts.
  17. Remove the generator bracket.
  18. If replacing the generator bracket, remove the idler pulley bolts (2) and remove the pulleys from the generator bracket.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1874237 Size: SH
  1. If the generator bracket was replaced, install the idler pulleys to the generator bracket and tighten the pulley bolts (2).

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

  2. Position the generator bracket to the engine and install the nuts and the bolts (1).

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


    Object Number: 1874236 Size: SH
  3. Position the engine wiring harness and install the engine wiring harness clip bolt (1).

    4. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1874235 Size: SH
  4. Install the fuel feed pipe bracket bolts (1).

    5. Tighten
    Tighten the bolts to 24 N·m (18 lb ft).


    Object Number: 1871896 Size: SH
  5. Position the heater inlet hose/pipe to the engine.
  6. Install the heater inlet hose bracket to the generator bracket stud (2) and install the bracket nut (3).

    7. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  7. Install the heater inlet hose to the fuel filter adapter stud (1) and install the bracket nut (4).

    8. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 1873088 Size: SH
  8. Install the oil level indicator tube bracket (2).
  9. Install the oil level indicator tube bracket bolts (1).

    10. Tighten
    Tighten the bolts to 21 N·m (15 lb ft).

  10. Install the oil level indicator tube bolt (3).

    11. Tighten
    Tighten the bolts to 21 N·m (15 lb ft).

  11. Install the engine wiring harness clip to the oil level indicator tube bracket (2).
  12. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  13. Install the generator. Refer to Generator Replacement.
  14. Install the intake air heater. Refer to Intake Air Heater Replacement.
  15. Install the fan assembly. Refer to Fan Replacement.
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Generator Bracket Replacement 4.8L, 5.3L, 6.0L, and 6.2L

Removal Procedure

    Object Number: 1696914 Size: SH
  1. Remove the generator. Refer to Generator Replacement.
  2. Remove the power steering pump. Refer to Power Steering Pump Replacement.
  3. Remove the engine wiring harness clip bolt (3) are reposition the clip (1) away from the generator bracket.

    4. Object Number: 847280 Size: SH
  4. Remove the generator bracket bolts.
  5. Remove the generator bracket.

Installation Procedure

    Object Number: 847280 Size: SH
  1. Position the generator bracket to the engine.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the generator bracket bolts.

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


    Object Number: 1696914 Size: SH
  3. Position the engine wiring harness clip (1) to the generator bracket and install the engine harness clip bolt (3).

    4. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  4. Install the power steering pump. Refer to Power Steering Pump Replacement.
  5. Install the generator. Refer to Generator Replacement.