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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (Engine Mechanical - 3.6L (LGX LF4) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Cylinder Head Replacement - Left Side (LGX) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove Camshaft Timing Chain-Left Side - Camshaft Timing Chain Assembly Replacement - Left Side (LGX) 
  2. Fig 1: Fuel Injection Fuel Rail Noise Shield
    GM4144593Courtesy of GENERAL MOTORS COMPANY
  3. Remove Fuel Injection Fuel Rail Noise Shield (1)- Fuel Injection Fuel Rail Noise Shield Replacement
  4. Fig 2: Fuel Feed Intermediate Pipe
    GM4093615Courtesy of GENERAL MOTORS COMPANY
  5. Remove Fuel Feed Intermediate Pipe (2) - Fuel Feed Intermediate Pipe Replacement (LGX)
  6. Fig 3: Catalytic Converter, Gasket & Fasteners
    GM2805059Courtesy of GENERAL MOTORS COMPANY
  7. Remove Catalytic Converter-Left Side (3) - Catalytic Converter Replacement - Left Side (LGX)
  8. Fig 4: Oil Level Indicator and Tube
    GM4179702Courtesy of GENERAL MOTORS COMPANY
  9. Remove Oil Level Indicator Tube (2) - Oil Level Indicator Tube Replacement (LGX) 
  10. Remove the ground wire bolt and ground wire.
  11. Disconnect and reposition harness as necessary.
  12. Remove Camshaft-Left Side - Camshaft Replacement - Left Side (LGX) 
  13. Fig 5: Camshaft Carrier - Right Side
    GM3951847Courtesy of GENERAL MOTORS COMPANY
  14. Camshaft Carrier-Left Side (2) - Camshaft Carrier Removal - Left Side
  15. Fig 6: Cylinder Head Bolts
    GM4145196Courtesy of GENERAL MOTORS COMPANY
  16. Remove and DISCARD the 2 front M8 left cylinder head bolts (1).
  17. Remove Cylinder Head Bolt (2) and DISCARD
  18. Remove Cylinder Head Assembly (3)
  19. Remove Cylinder Head Gasket (4) and DISCARD
  20. Refer to Cylinder Head Cleaning and Inspection
  21. Refer to Engine Block Cleaning and Inspection
  22. Disassemble the cylinder head as necessary. Cylinder Head Disassemble (LGX)