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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Cooling Fan and Shroud Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Cooling Fan Shroud & Bolts
    GM1485882Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Insert the 3 lower tabs into the radiator support flange. Keeping the shroud parallel to the radiator will ensure the correct installation of the lower tabs.
  1. Install the cooling fan and shroud.
    2. NOTE: Refer to Fastener Notice .
  2. Install the cooling fan shroud bolts.

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

    3. Fig 2: Engine Oil Cooler Quick Connect Fittings
    GM1486208Courtesy of GENERAL MOTORS CORP.
  3. If equipped, install the cooler lines to the clip and close the clip.
    4. Fig 3: Cooling Fan Electrical Connectors
    GM1480471Courtesy of GENERAL MOTORS CORP.
  4. Connect the electrical connectors to the cooling fans.
  5. Install the clip attaching the wiring harness to the shroud.
  6. Install the transmission cooling line bolts to fan shroud.

    Tighten:  Tighten the bolts to 4 N.m (35 lb in).

    7. Fig 4: View Of Surge Tank Inlet Hose & Clamp
    GM1698684Courtesy of GENERAL MOTORS CORP.
  7. If necessary, install the surge tank inlet hose to the radiator.
  8. If necessary, reposition the surge tank inlet hose clamp at the radiator.
    9. Fig 5: Radiator, Inlet & Outlet Hose & Clamps
    GM1486075Courtesy of GENERAL MOTORS CORP.
  9. Engage the radiator inlet hose clip (2) at the fan shroud.
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