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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, Or 7.0L (2 Of 5)) >> On-Vehicle Repair Information (1 Of 2) >> Engine Front Cover Replacement (LC9, LH6, LMG, LY2 and LY5) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Electrical Connector, Cable Channel Bolt & Pin
    GM1697734Courtesy of GENERAL MOTORS CORP.
  1. Remove the water pump. Refer to Water Pump Replacement (LY6, L76 and L92) or Water Pump Replacement (LH6, LY2, LY5, and LMG) .
  2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  3. Disconnect the engine harness electrical connector (1) from the camshaft position (CMP) sensor wire harness electrical connector.
    4. Fig 2: View Of Oil Pan-To-Front Cover Bolts
    GM832976Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pan-to-front cover bolts (1).
    5. Fig 3: View Of Front Cover & Gasket
    GM1704624Courtesy of GENERAL MOTORS CORP.
  5. Remove the front cover bolts (1).
  6. Remove the front cover (2) and gasket (3).
  7. Discard the front cover gasket.
    8. Fig 4: View Of Front Cover, Oil Seal, Camshaft Position Sensor, Bracket & O Ring
    GM1704625Courtesy of GENERAL MOTORS CORP.
  8. Remove the crankshaft front oil seal (4).
  9. If replacing the engine front cover perform the following steps, otherwise proceed to step 8 of the installation procedure.
  10. Remove the CMP sensor wire harness bolts (1 and 6).
  11. Disconnect the CMP sensor wire harness from the CMP sensor.
  12. Remove the CMP sensor wire harness (5).
  13. Remove the CMP sensor (2).
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