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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 855 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Valley Cover Removal

Engine Valley Cover Removal

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  1. Remove the knock sensor wire harness.
    Fig 1: Removing Knock Sensor Wire Harness
    G02116632Courtesy of GENERAL MOTORS CORP.
  2. Remove the knock sensors.
    Fig 2: Removing Knock Sensors
    G02116633Courtesy 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: Removing Valley Cover, Gaskets & Bolts
    G02116634Courtesy of GENERAL MOTORS CORP.
  6. Remove the knock sensor oil seals (1) from the cover (2).
    Fig 4: Removing Knock Sensor Oil Seals From Cover
    G02116635Courtesy of GENERAL MOTORS CORP.
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