GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2028049  Size: SH
  1. Install the vacuum modulator (3).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the 2 vacuum modulator bolts (2) and tighten to  7 N·m (62 lb in).
  4. Install the PCV valve gasket (4).
  5. Install the PCV valve (5).
  6. Install the 3 PCV valve bolts (1) and tighten to  11 N·m (98 lb in).