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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Engine Mechanical - 3.6L (Ly7) (2 Of 6)) >> On-Vehicle Repair Instructions - Part 1 >> Engine Front Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine cover. Refer to Fuel Injector Sight Shield Replacement .
  2. Remove the upper intake manifold with the lower intake manifold. Refer to Intake Manifold Replacement - Lower .
  3. Remove the camshaft covers. Refer to Camshaft Cover Replacement - Left  and Camshaft Cover Replacement - Right .
  4. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
  5. Disconnect the purge vent hose from the water outlet.
  6. Remove the water outlet with the radiator hose and reposition aside. Refer to Water Outlet Housing Replacement (LH2) or Water Outlet Housing Replacement (LY7) in Engine Cooling.
  7. Remove the accessory drive belts. Refer to Drive Belt Replacement - Generator and Water Pump  and Drive Belt Replacement - Power Steering and Air Conditioning .
  8. Remove the A/C compressor and power steering belt tensioner. Refer to Drive Belt Tensioner Replacement - Power Steering and Air Conditioning .
  9. Remove the generator bracket with the generator and the belt tensioner. Refer to Generator Bracket Replacement (LY7) or Generator Bracket Replacement (LH2) in Engine Electrical.
    10. IMPORTANT: Do not disconnect the power steering pipes or drain the power steering fluid.
  10. Remove the power steering fluid reservoir and reposition the power steering fluid reservoir in order to provide access.
  11. Remove the power steering pump pulley. Refer to Power Steering Pump Removal .
    12. IMPORTANT: Do not disconnect the power steering pipes/hoses.
  12. Remove the power steering pump upper front bolt and loosen the remaining two bolts. Refer to Power Steering Pump Removal .
  13. Remove the crankshaft balancer. Refer to Crankshaft Balancer Removal .
  14. Remove the oil control valves. Refer to Camshaft Position (CMP) Actuator Solenoid Replacement - Bank 2 (Left) Intake and Camshaft Position (CMP) Actuator Solenoid Replacement - Bank 2 (Left) Exhaust in Engine Controls - 3.6L (LY7).
    15. Fig 1: Engine Front Cover
    GM902869Courtesy of GENERAL MOTORS CORP.
  15. Remove the engine front cover with the water pump. Refer to Engine Front Cover Removal .
  16. Disassemble the engine front cover as necessary. Refer to Engine Front Cover Disassemble .
    17. IMPORTANT: Do NOT use sharp and/or metal gasket scrapers in order to clean the sealing surfaces.
  17. Carefully clean the engine front cover sealing surfaces. Refer to Engine Front Cover Cleaning and Inspection .
    18. IMPORTANT: Insert a piece of cardboard between the oil pan front and the oil pump in order to prevent any contaminants from falling into the oil pan.
  18. Carefully clean the engine front cover sealing surfaces. Refer to Engine Front Cover Cleaning and Inspection .
  19. Use compressed air in order to remove any engine coolant from the engine cooling passages and from the top of the oil pan scraper (windage tray).
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