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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Front Cover Removal

Engine Front Cover Removal

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    Fig 1: View Of CMP Sensor
    GM470803Courtesy of GENERAL MOTORS CORP.
    NOTE: This component is initially installed using a self-tapping bolt(s). Care should be taken when removing and/or installing the self-tapping bolt(s). Failure to use care when removing and/or installing the self-tapping bolt(s) can lead to damage and unnecessary replacement of the self-tapping bolt(s) and/or the component the self-tapping bolt(s) is threaded into.
  1. Remove the camshaft position (CMP) sensor bolt.
  2. Remove the CMP sensor.
  3. Inspect the CMP sensor O-ring for cuts, cracks, tears or damage. Replace the O-ring as required.
    4. Fig 2: View Of Engine Front Cover & Components
    GM1309997Courtesy of GENERAL MOTORS CORP.
  4. Remove the engine front cover bolts (521).
  5. Remove the engine front cover (522).
    6. IMPORTANT: The engine front cover gasket is reusable.
  6. Remove the engine front cover gasket (523).
  7. Remove the crankshaft front oil seal (125) from the engine front cover.
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