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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 >> On-Vehicle Repair Instructions >> Engine Front Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of CMP Sensor Electrical Connector Battery Cable Channel Engine Harness Clips
    GM750902Courtesy of GENERAL MOTORS CORP.
  1. Remove the water pump. Refer to Water Pump Replacement (4.3L) or Water Pump Replacement (4.8L, 5.3L, and 6.0L) or Water Pump Replacement (6.6L (LLY)) or Water Pump Replacement (8.1L) in Engine Cooling.
  2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  3. Disconnect the camshaft position (CMP) sensor electrical connector (1).
  4. Remove the engine harness clips from the battery cable channel.
    5. Fig 2: View Of CMP Sensor
    GM470803Courtesy of GENERAL MOTORS CORP.
  5. Remove the CMP sensor bolt.
  6. Remove the CMP sensor.
    7. Fig 3: View Of Battery Cable Channel Bolt
    GM1236368Courtesy of GENERAL MOTORS CORP.
  7. Remove the battery cable channel bolt.
  8. Remove and reposition the battery cable channel.
    9. Fig 4: View Of Engine Front Cover & Bolts
    GM1150681Courtesy of GENERAL MOTORS CORP.
  9. Remove the engine front cover bolts (2).
  10. Remove the engine front cover (1).
    IMPORTANT: The engine front cover gasket is reusable.
  11. Remove the engine front cover gasket.
  12. Remove the crankshaft front oil seal from the front cover.
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