GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Engine 🢒 Engine Mechanical - 3.1L 🢒 Positive Crankcase Ventilation Valve Replacement

Removal Procedure

    Object Number: 16290 Size: SH
  1. Disconnect the vacuum hoses (1) from the fuel pressure regulator (3) and the positive crankcase ventilation (PCV) valve (2).
  2. Remove the PCV valve (2).

Installation Procedure

    Object Number: 16290 Size: SH
  1. Install the PCV valve (2).
  2. Connect the vacuum hoses (1) to the fuel pressure regulator (3) and the PCV valve (2).