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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Generator Bracket Replacement (4.3L Engine) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Slide the generator mounting bracket on the stud.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  2. Install the 3 bolts and the nut.

    Tighten 

    Tighten the generator mounting bracket bolts and the nut to 41 N.m (30 lb ft).

    Fig 1: Installing Generator Mounting Bracket
    G02079316Courtesy of GENERAL MOTORS CORP.
  3. Install the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement .
  4. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  5. Install the generator. Refer to GENERATOR .
  6. Install the drive belt. Refer to Drive Belt Replacement .
  7. Install the upper fan shroud section. Refer to FAN SHROUD REPLACEMENT .
  8. Install the oil fill tube lower support, the bolt and the stud.

    Tighten 

    Tighten the oil fill tube lower support stud and the bolt to 25 N.m (18 lb ft).

  9. Install the engine wiring harness retainer on the stud.
    Fig 2: Installing Oil Fill Tube Lower Support, Bolt & Stud
    G02079317Courtesy of GENERAL MOTORS CORP.
  10. Install the heater inlet and outlet hose brackets and the bolts to the oil fill tube lower support.

    Tighten 

    Tighten the heater hose bracket bolts to 5 N.m (44 lb in).

    Fig 3: Installing Heater Inlet & Outlet Hose Brackets & Bolts
    G02079318Courtesy of GENERAL MOTORS CORP.
  11. Install the oil fill tube into the right valve rocker arm cover.
  12. Install the screw holding the oil fill tube to the oil fill tube lower support.
    Fig 4: Installing Oil Fill Tube & Screw
    G02079319Courtesy of GENERAL MOTORS CORP.
  13. Install the transmission fluid fill upper tube in the lower tube.
  14. Install the nut holding the transmission fluid fill tube to the rear of the right cylinder head.

    Tighten 

    Tighten the transmission fluid fill tube nut to 10 N.m (88 lb in).

    Fig 5: Installing Transmission Fluid Fill Upper Tube & Nut
    G02079320Courtesy of GENERAL MOTORS CORP.
  15. Apply sealer GM P/N 12346004 (Canadian P/N 10953480) or equivalent on the area of the upper section of the oil level indicator tube where it fits into the lower section.
  16. Install the upper section of the oil level indicator tube into the lower section.
  17. Install the bolt holding the oil level indicator tube and the transmission fluid fill tube to the oil fill tube lower support.

    Tighten 

    Tighten the oil level indicator tube and the transmission fluid fill tube to lower support bolt to 5 N.m (44 lb in).

  18. Install the engine oil level indicator and the transmission fluid level indicator.
    Fig 6: Installing Oil Level Indicator Tube & Transmission Fluid Fill Tube
    G02079321Courtesy of GENERAL MOTORS CORP.
  19. Install the air inlet duct to the throttle body and the air cleaner assembly.
  20. Install the coolant recovery reservoir. Refer to COOLANT RECOVERY RESERVOIR REPLACEMENT .
  21. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim .
  22. Connect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
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