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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 1 Of 3) >> Repair Instructions (On-Vehicle And Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Engine Valley Cover Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Rubber Covers
    GM832149Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Gently pry up the rubber covers.
  3. Disconnect the knock sensor electrical connectors.
    4. Fig 2: View Of Knock Sensors
    GM309864Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensors.
    5. Fig 3: View Of Engine Valley Cover, Gasket & Bolts
    GM65048Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine valley cover bolts.
  6. Remove the engine valley cover and gasket.
  7. Discard the old gasket.
    8. Fig 4: View Of Knock Sensor Oil Seals & Cover
    GM490851Courtesy of GENERAL MOTORS CORP.
  8. Remove the knock sensor oil seals (1) from the cover (2).
  9. If required, clean and inspect the engine valley cover. Refer to Engine Valley Cover Cleaning and Inspection .
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