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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Engine Mechanical - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Cylinder Head Installation - Right Side >> Single Use Fasteners and Components

Single Use Fasteners and Components

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Fig 1: Exploded View Of Cylinder Head, Gasket And Bolts With Tightening Sequence - Right Side
GM2892246Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Clean the holes in the block of any debris or residual fastener thread sealant. Failing to do so can cause the bolts not to reach proper torque and/or clamp load.
1 Cylinder Head Gasket
NOTE:

Must use NEW gasket.

2 Cylinder Head Assembly
3 Cylinder Head Bolt
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.

CAUTION:

Refer to Fastener Caution .


Procedure 
Tighten the cylinder head bolts each pass in the sequence shown.
Tighten 
80 N.m (59 lb ft) + 90° + 60°