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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Engine Mechanical - 3.6L (LF4 LGX) - 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 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Camshaft Timing Chain-Left Side Remove - Camshaft Timing Chain Assembly Replacement - Left Side (LGX) 
  2. Fig 1: Fuel Injection Fuel Rail Noise Shield
    GM4144593Courtesy of GENERAL MOTORS COMPANY
  3. Fuel Injection Fuel Rail Noise Shield- Remove - Fuel Injection Fuel Rail Noise Shield Replacement
  4. Fig 2: Fuel Feed Intermediate Pipe
    GM4093615Courtesy of GENERAL MOTORS COMPANY
  5. Fuel Feed Intermediate Pipe- Remove - Fuel Feed Intermediate Pipe Replacement (LGX)
  6. Fig 3: Catalytic Converter, Gasket & Fasteners
    GM2805059Courtesy of GENERAL MOTORS COMPANY
  7. Catalytic Converter-Left Side - Remove - Catalytic Converter Replacement - Left Side (LGX)
  8. Fig 4: Oil Level Indicator Tube
    GM4179702Courtesy of GENERAL MOTORS COMPANY
  9. Oil Level Indicator Tube- Remove - Oil Level Indicator Tube Replacement (LGX) 
  10. Remove the ground wire bolt and ground wire.
  11. Disconnect and reposition harness as necessary.
  12. Camshaft-Left Side Remove - Camshaft Replacement - Left Side (LGX) 
  13. Fig 5: Camshaft Carrier - Right Side
    GM3951847Courtesy of GENERAL MOTORS COMPANY
  14. Camshaft Carrier-Left Side - Remove - 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. Cylinder Head Bolt- Remove and DISCARD
  18. Cylinder Head Assembly - Remove
  19. Cylinder Head Gasket- Remove and DISCARD
  20. Cylinder Head Cleaning and Inspection
  21. Engine Block Cleaning and Inspection
  22. Disassemble the cylinder head as necessary. Cylinder Head Disassemble (LGX)