GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Cavalier (CNG) 🢒 Engine 🢒 Engine Controls - 2.2L 🢒 Gas Distribution Adapter Replacement

Removal Procedure

    Object Number: 401927 Size: SH
  1. Remove the bolts mounting the gas distribution adapter (GDA) bracket (1) to the module bracket.
  2. Loosen the GDA clamp at the throttle body.
  3. Loosen the clamp at the gas mass sensor/mixture control valve (GMS/MCV) hose (2).
  4. Loosen the clamp (3) at the intake duct and disconnect the duct.
  5. Disconnect the PCV hose(4).
  6. Remove the GDA.

Installation Procedure

    Object Number: 401927 Size: SH

    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.

  1. Install the GDA and connect the hose (2) to the GMS/MCV.

    2. Tighten
    Tighten the hose clamp to 2 N·m (18 lb in).

  2. Connect the PCV hose (4).
  3. Connect the intake duct (3).

    4. Tighten
    Tighten the intake duct clamp to 5 N·m (44 lb in).

  4. Tighten the GDA clamp at the throttle body.

    5. Tighten
    Tighten the throttle body clamp to 5 N·m (44 lb in).

  5. Install the GDA bracket bolts (1).

    6. Tighten
    Tighten the GDA bracket bolts to 12 N·m (106 lb in).