Removal Procedure

Fig 1: View Of Engine Upper Cover

GM828878

Courtesy of GENERAL MOTORS CORP.

Remove the four fasteners from the engine cover (1).
Remove the engine cover (1) from the engine.

Fig 2: View Of PCV Hose, Breather Hose And EVAP Hose

GM850214

Courtesy of GENERAL MOTORS CORP.

Disconnect the PCV hose (1) from the PCV valve.
Disconnect the PCV breather hose (2).
Disconnect the EVAP hose (3).
Swing the two PCV hoses and the EVAP hose away from the cylinder head.
Disconnect the electrical connector from the rocker arm oil pressure switch.

Fig 3: View Of Oil Control Solenoid Housing And Rocker Arm Oil Pressure Switch

GM860902

Courtesy of GENERAL MOTORS CORP.

Remove the rocker arm oil pressure switch (2) from the rocker arm oil control solenoid housing (1).