Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

If replacing the cylinder head, transfer all parts as necessary. Cylinder Head Assemble .
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Swap the cylinder head alignment pins (1) from the cylinder head to engine block as needed.
Clean all sealing surfaces.
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NOTE:
Do not use any sealing material.

Select the correct cylinder head gasket (2). Cylinder Head Gasket Selection
Cylinder Head Gasket(2) - Install NEW
Cylinder Head(1) - Install
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NOTE:
Install NEW bolts.

Cylinder Head Bolt(1) - Loosely install[10x]
Fig 1: Cylinder Head Bolt Tightening Sequence
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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.

Tighten the bolts in the sequence shown.

Tighten
1. First Pass 30 N. m (22 lb ft)
2. Second Pass using J 45059 meter, tighten the bolts in sequence an additional 110 degrees
3. Third Pass using J 45059 meter, tighten the bolts in sequence an additional 110 degrees
4. Final Pass using J 45059 meter, tighten the bolts in sequence an additional 110 degrees
Glow Plug - Install - Glow Plug Replacement
Camshaft - Install - Camshaft Replacement
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Exhaust Manifold and Turbocharger Assembly(2) - Install - Exhaust Manifold Replacement (LWN)
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Engine Wiring Harness(2) - Reposition
Engine Wiring Harness Ground Bolt(1) - Install and tighten[2x]40 N. m (30 lb ft)
Intake Manifold - Install - Intake Manifold Replacement