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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Thermostat Housing Installation

Thermostat Housing Installation

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 thermostat housing.
    2. Fig 1: View Of Thermostat Housing
    GM1335441Courtesy of GENERAL MOTORS CORP.
  2. Install the thermostat housing bolts and nuts.

    Tighten:  Tighten the thermostat housing bolts and nuts to 25 N.m (18 lb ft).

  3. Install the fuel pipe bracket bolt.

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

    4. Fig 2: View Of Fuel Pipe Bracket Bolt
    GM1335434Courtesy of GENERAL MOTORS CORP.
  4. Install the water pump inlet pipe.
    5. Fig 3: View Of Water Pump Inlet Pipe
    GM1335432Courtesy of GENERAL MOTORS CORP.
  5. Install the turbocharger coolant outlet hose and clamps.
    6. Fig 4: View Of Turbocharger Coolant Outlet Hose & Clamps
    GM1335429Courtesy of GENERAL MOTORS CORP.
  6. Install the water pump inlet pipe bolts.

    Tighten:  Tighten the water pump inlet pipe bolts to 25 N.m (18 lb ft).

    7. Fig 5: View Of Water Pump Inlet Pipe Bolts
    GM1335424Courtesy of GENERAL MOTORS CORP.
  7. Install the EGR coolant pipe.
    8. Fig 6: View Of Exhaust Gas Recirculation (EGR) Coolant Pipe, Hose & Bolts
    GM1335419Courtesy of GENERAL MOTORS CORP.
  8. Install the EGR coolant pipe bolts.

    Tighten:  Tighten the EGR coolant pipe bolts to 25 N.m (18 lb ft).

  9. Connect the coolant temperature sensor.
    10. Fig 7: View Of Engine Coolant Temperature Sensor And Electrical Connector
    GM1335413Courtesy of GENERAL MOTORS CORP.
  10. Install the oil fill tube.
    11. Fig 8: View Of Oil Filler Tube
    GM1335401Courtesy of GENERAL MOTORS CORP.
  11. Install the oil fill tube bolts.

    Tighten:  Tighten the oil fill tube bolts to 25 N.m (18 lb ft).

    12. Fig 9: View Of Oil Filler Tube Bolts
    GM1335397Courtesy of GENERAL MOTORS CORP.
  12. Install the water outlet.
    13. Fig 10: View Of Water Outlet
    GM1335393Courtesy of GENERAL MOTORS CORP.
  13. Install the water outlet bolts.

    Tighten:  Tighten the water outlet bolts to 25 N.m (18 lb ft).

    14. Fig 11: View Of Water Outlet Bolts
    GM1335391Courtesy of GENERAL MOTORS CORP.
  14. Install the electrical harness bracket.
  15. Install the electrical harness bracket bolt.

    Tighten:  Tighten the electrical harness bracket bolt to 10 N.m (89 lb in).

    16. Fig 12: View Of Electrical Harness Bracket Bolt
    GM1335388Courtesy of GENERAL MOTORS CORP.
  16. Connect the turbocharger coolant inlet hose.
    17. Fig 13: View Of Turbocharger Inlet Coolant Hose At Turbocharger Coolant Bypass
    GM1335386Courtesy of GENERAL MOTORS CORP.
  17. Install the main electrical harness bracket.
  18. Install the main electrical harness bracket bolts.

    Tighten:  Tighten the main electrical harness bracket bolts to 10 N.m (89 lb in).

    19. Fig 14: View Of Main Electrical Connector Harness Bracket & Bolts
    GM1334948Courtesy of GENERAL MOTORS CORP.
  19. Connect and install the turbocharger vane position sensor.
    20. Fig 15: View Of Turbocharger Vane Position Sensor And Electrical Connector
    GM1334926Courtesy of GENERAL MOTORS CORP.
  20. Connect and install the barometric sensor.
    21. Fig 16: View Of Barometric Pressure Sensor Electrical Connector
    GM1334921Courtesy of GENERAL MOTORS CORP.
  21. Install the main engine electrical harness connector hold down bolts.

    Tighten:  Tighten the main electrical harness connector hold down bolts to 10 N.m (89 lb in).

    22. Fig 17: View Of Main Engine Electrical Harness Connector Bolts
    GM1334916Courtesy of GENERAL MOTORS CORP.
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