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Home >> GMC >> 2022 >> Acadia SLE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Mechanical - 3.6L (LGX) - Repair Instructions) >> Repair Instructions >> Cylinder Head Replacement - Left Side >> Installation Procedure

Installation Procedure

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  1. GM4145196Courtesy of GENERAL MOTORS COMPANY

    Ensure the cylinder head locating pins (5) are securely mounted in the engine block deck face.

  2. Install a NEW cylinder head gasket (4) using the deck face locating pins for retention.
  3. Cylinder Head (3) - Install
  4. Fig 1: Exploded View Of Cylinder Head Components With Tightening Sequence - Left Side
    GM4044977Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    Cylinder Head Bolt - M8 x 80.8 (3) - Install NEW and tighten in sequence [2x]

    1. First Pass: 15 N.m (11 lb ft)
    2. Final Pass: 75 degrees
  5. Cylinder Head Bolt - M11 x 178 (4) - Install NEW and tighten in sequence [8x]
    1. First Pass: 60 N.m (44 lb ft)
    2. Final Pass: 185 degrees
  6. GM4025131Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not apply more room temperature vulcanization (RTV) silicone than specified. Excess RTV silicone could plug up oil passage holes in the camshaft carrier and lead to engine damage.

    NOTE:

    Camshaft carrier surfaces should be free and clean of oil and foreign substances.

    NOTE:

    Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    Place a 3 mm (0.118 in) bead of RTV sealant (1) on the bottom of the camshaft carrier, following the specific bead path. Adhesives, Fluids, Lubricants, and Sealers

  7. Place a 5 mm (0.197 in) bead of RTV sealant (1) on the bottom of the camshaft carrier as arrows show. Adhesives, Fluids, Lubricants, and Sealers
  8. Camshaft Carrier (2) - Install
    9. CAUTION:

    Refer to Fastener Caution .

  9. Camshaft Carrier Bolt (3) - Install and tighten in sequence [13x]
    1. First Pass: 6 N.m (53 lb in)
    2. Final Pass: 60 degrees
  10. Camshaft-Left Side - Install - Camshaft Replacement - Left Side 
  11. Position wire harness and connect as necessary.
  12. Install ground wire and ground wire bolt at the rear of the cylinder head. Tighten bolt to 15 N.m (11 lb ft)
  13. GM5142777Courtesy of GENERAL MOTORS COMPANY

    Battery Negative Cable (2) @ Cylinder Head - Install - Battery Negative Cable Replacement (LGX)

  14. GM4455570Courtesy of GENERAL MOTORS COMPANY

    Oil Level Indicator Tube (1) - Install - Oil Level Indicator Tube Replacement 

  15. GM4288006Courtesy of GENERAL MOTORS COMPANY

    Warm Up Three-Way Catalytic Converter (2) @ Bank 2 - Install - Warm Up Three-Way Catalytic Converter Replacement (Bank 2, LGX)

  16. Fig 2: Identifying Fuel Injection Fuel Rail Assembly And Bolts With Tightening Sequence - Bank 2
    GM4310701Courtesy of GENERAL MOTORS COMPANY

    Fuel Injection Fuel Rail Assembly-Bank 2 (2) - Install - Fuel Injection Fuel Rail Assembly Replacement - Bank 2

  17. Camshaft Timing Chain-Left Side - Install - Camshaft Timing Chain Assembly Replacement - Left Side 
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