GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement.

  2. Object Number: 2016519  Size: SH
  3. Disconnect the ventilation hose (1) from the ventilation valve sub-assembly.

  4. Object Number: 2016523  Size: SH
  5. Using a 22 mm deep socket wrench (1), remove the ventilation valve sub-assembly.

Installation Procedure


    Object Number: 2017142  Size: SH
  1. Apply adhesive (1) to 2 or 3 threads of the ventilation valve.
  2. Three bond 1324 or equivalent


    Object Number: 2016523  Size: SH
  3. Using a 22 mm deep socket wrench (1), install the ventilation valve.
  4. Tighten
    19 N·m (14 lb ft)

  5. Connect the ventilation hose.
  6. Install the engine cover. Refer to Engine Cover Replacement.
  7. Inspect for oil leak.