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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Engine Mechanical - 4.8L, 5.3L, 6.0L Or 6.2L (5 Of 5)) >> Off-Vehicle Repair Instructions (3 Of 3) >> Engine Block Valley Cover Installation

Engine Block Valley Cover Installation

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    Fig 1: View Of Engine Valley Cover Components
    GM1403316Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: All gasket surfaces should be free of oil or other foreign material during assembly.
  1. Lubricate the O-ring seals with clean engine oil.
  2. Install the O-ring seals (537) to the cover (555).
    3. NOTE: Refer to Fastener Notice .
  3. Install the cover (555), gasket (556), and bolts (506).

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

    4. Fig 2: Identifying Oil Pressure Sensor & Washer
    GM1403317Courtesy of GENERAL MOTORS CORP.
  4. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the threads of the sensor.
  5. Install the oil pressure sensor (706) and sealing washer (707).

    Tighten:  Tighten the sensor to 35 N.m (26 lb ft).

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