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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) >> Installation Procedure

Installation 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. Assemble the cylinder head as necessary. Cylinder Head Assemble (LGX)
  2. Fig 1: Cylinder Head Bolts
    GM4145196Courtesy of GENERAL MOTORS COMPANY
  3. Ensure the cylinder head locating pins (5) are securely mounted in the cylinder block deck face.
  4. Install a NEW left cylinder head gasket (4) using the deck face locating pins for retention.
  5. Cylinder Head Assembly - Install - Cylinder Head Installation - Left Side (LGX)
  6. Fig 2: Camshaft Carrier - Right Side
    GM3951847Courtesy of GENERAL MOTORS COMPANY
  7. Camshaft Carrier-Left Side Install - Camshaft Carrier Removal - Left Side
  8. Camshaft-Left Side - Install - Camshaft Replacement - Left Side (LGX) 
  9. Position wire harness and connect as necessary.
  10. CAUTION:

    Refer to Fastener Caution .

  11. Install ground wire and ground wire bolt. Tighten bolt to 15 N.m (11 lb ft)
  12. Fig 3: Oil Level Indicator Tube
    GM4179702Courtesy of GENERAL MOTORS COMPANY
  13. Oil Level Indicator Tube Install - Oil Level Indicator Tube Replacement (LGX) 
  14. Fig 4: Catalytic Converter, Gasket & Fasteners
    GM2805059Courtesy of GENERAL MOTORS COMPANY
  15. Catalytic Converter-Left Side Install - Catalytic Converter Replacement - Left Side (LGX)
  16. Fig 5: Fuel Feed Intermediate Pipe
    GM4093615Courtesy of GENERAL MOTORS COMPANY
  17. Fuel Feed Intermediate Pipe Install - Fuel Feed Intermediate Pipe Replacement (LGX)
  18. Fig 6: Fuel Injection Fuel Rail Noise Shield
    GM4144593Courtesy of GENERAL MOTORS COMPANY
  19. Fuel Injection Fuel Rail Noise Shield Install - Fuel Injection Fuel Rail Noise Shield Replacement
  20. Camshaft Timing Chain-Left Side Install - Camshaft Timing Chain Assembly Replacement - Left Side (LGX)