Removal 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.

Courtesy of GENERAL MOTORS COMPANY

Coolant Recovery Reservoir (1) - Remove - Coolant Recovery Reservoir Replacement (L96, LC8)
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Oil Filler Tube (1) - Remove - Oil Filler Tube Replacement
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Oil Level Indicator Tube-Upper (1) - Remove - Oil Level Indicator Tube Replacement (Upper)
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Positive Crankcase Ventilation Tube (1) @ Valve Rocker Arm Cover - Remove - Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Air Cleaner Resonator Outlet Duct to Valve Rocker Arm Cover) , or Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Intake Manifold to Valve Rocker Arm cover)
Courtesy of GENERAL MOTORS COMPANY

Spark Plug Wire (1) @ Ignition Coil - Remove [4x] - Spark Plug Wire Replacement
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Electrical Connector (1) @ Ignition Coil Bracket - Disconnect
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Ignition Coil Bracket Bolt (1) - Remove [5x]
Ignition Coil Bracket (2) - Remove
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Valve Rocker Arm Cover Bolt (1) - Remove [4x]
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Valve Rocker Arm Cover (1) - Remove
Valve Rocker Arm Cover Gasket (2) - Remove and DISCARD
Clean and inspect the rocker arm cover. Valve Rocker Arm Cover Cleaning and Inspection