GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Exhaust Gas Recirculation Valve Replacement

Removal Procedure

    Object Number: 381569 Size: SH
  1. Disconnect the electrical connector (5) from the EGR valve (1).
  2. Remove the two EGR valve retaining nuts (4).
  3. Remove the EGR valve (1) from the EGR valve adapter (3).
  4. Remove the gasket (2) from the EGR valve adapter (3).

Installation Procedure

    Object Number: 381569 Size: SH
  1. Install a new gasket (2) on the EGR adapter (3).
  2. Install the EGR valve (1) to the EGR valve adapter (3).

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the two nuts (4) to the EGR valve (1).

    4. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).

  4. Connect the EGR valve electrical connector (5) to the EGR valve (1).