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Home >> Cadillac >> 2019 >> ATS Premium Performance >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> ENGINE MECHANICAL - 3.6L (LGX LF4) - REPAIR INSTRUCTIONS - OFF VEHICLE (2 Of 2) >> Repair Instructions - Off Vehicle >> Cylinder Head Installation - Left Side (LGX)

Cylinder Head Installation - Left Side (LGX)

Fig 1: Exploded View Of Cylinder Head Installation Components With Tightening Sequence - Left Side (LGX)
GM4044977Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Cylinder Head Gasket
Procedure 
Install a NEW gasket.
2 Cylinder Head
3 Cylinder Head Bolt M8 x 80.8 [2x]
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.


Procedure 
Install NEW bolts. Do NOT reuse old bolts.
Tighten in sequence 
  1. First Pass: 15 N.m (11 lb ft)
  2. Final Pass: 75 degrees

Special Tools 
EN-45059  Angle Meter
Equivalent regional tools: Special Tools (LGX) .
4 Cylinder Head Bolt M11 x 178 [8x]
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.


Procedure 
Install NEW bolts. Do NOT reuse old bolts.
Tighten in sequence 
  1. First Pass: 60 N.m (44 lb ft)
  2. Final Pass: 185 degrees