GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 55022  Size: SH
  1. Twist the tube/oil fill cap in order to unlock the tube/oil fill tube from the engine.
  2. Lift up the front of the cover. Slide the tab out of the engine bracket.
  3. Replace the tube/oil fill cap in the rocker arm cover.

Installation Procedure


    Object Number: 55022  Size: SH
  1. Remove the tube/oil fill cap from the engine.
  2. Insert the tab of the acoustic cover under the engine bracket.
  3. Place the hole of the acoustic cover onto the oil fill neck of the rocker arm cover.
  4. Install the tube/oil fill cap into the engine.
  5. Twist the tube/oil fill cap in order to lock the tube/oil fill cap in place.