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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)) >> Repair Instructions >> Engine Valley Cover Removal

Engine Valley Cover Removal

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  1. Remove the knock sensor wire harness.
    Fig 1: Knock Sensor Wire Harness
    G01674613Courtesy of GENERAL MOTORS CORP.
  2. Remove the knock sensors.
    Fig 2: Knock Sensors
    G01674614Courtesy of GENERAL MOTORS CORP.
  3. Remove the valley cover bolts.
  4. Remove the valley cover and gasket.
  5. Discard the valley cover gasket.
    Fig 3: Valley Cover, Gasket & Bolts
    G01674615Courtesy of GENERAL MOTORS CORP.
  6. Remove the knock sensor oil seals (1) from the cover (2).
    Fig 4: Knock Sensor Oil Seals & Cover
    G01674616Courtesy of GENERAL MOTORS CORP.
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