GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Clean the area around the tube/oil fill cap before removing the tube/oil fill cap in order to prevent contaminants from falling into the valve rocker arm cover opening.

  2. Object Number: 911150  Size: SH
  3. Twist counterclockwise to unlock the oil fill tube from the valve rocker arm cover (3).
  4. Lift and remove the fuel injector sight shield (1).
  5. Install the oil fill tube (3) and the oil fill cap (2).

Installation Procedure


    Object Number: 911150  Size: SH
  1. Remove the oil fill cap (2) and the oil fill tube (3).
  2. Insert the tab of the fuel injector sight shield under the fuel injector sight shield bracket.
  3. Place the hole of the fuel injector sight shield (1) onto the oil fill neck of the valve rocker arm cover.
  4. Install the oil fill tube (3) and the oil fill cap (2).