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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Valley Cover Removal

Engine Valley Cover Removal

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the knock sensor wire harness.
    Fig 1: Removing Knock Sensor Wire Harness
    G02078716Courtesy of GENERAL MOTORS CORP.
  2. Remove the knock sensors.
    Fig 2: Removing Knock Sensors
    G02078717Courtesy 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 Bolts, Cover & Gasket
    G02078718Courtesy of GENERAL MOTORS CORP.
  6. Remove the knock sensor oil seals (1) from the cover (2).
    Fig 4: Removing Knock Sensor Oil Seals
    G02078719Courtesy of GENERAL MOTORS CORP.
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