Engine Block Disassemble

WARNING: This page is about a different variant/trim than selected.

Remove the cylinder head locating (1, 2).

Fig 1: Cylinder Head Locating Pins
Courtesy of GENERAL MOTORS COMPANY
Remove the oil pressure switch (1).

Fig 2: Oil Pressure Switch
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Remove the knock sensor bolt (2) and the knock sensor (1).

Fig 3: Knock Sensor And Bolt
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Clean the thread.
Remove the oil flow check valve (1).

Fig 4: Oil Flow Check Valve
Courtesy of GENERAL MOTORS COMPANY
Remove the oil pressure relief valve closure bolt (1) and the oil pressure relief valve.

Fig 5: Oil Pressure Relief Valve Closure Bolt
Courtesy of GENERAL MOTORS COMPANY
Remove the piston (1) and spring (2) from the oil pressure relief valve closure bolt (3).

Fig 6: Piston, Spring And Oil Pressure Relief Valve Closure Bolt
Courtesy of GENERAL MOTORS COMPANY
Clean and inspect the components. Refer to Engine Block Cleaning and Inspection .
Clean the thread.
Remove the 4 piston oil nozzles (1).

Fig 7: Piston Oil Nozzles
Courtesy of GENERAL MOTORS COMPANY