GM Service Manual Online
For 1990-2009 cars only

    Object Number: 187069  Size: SH
  1. Install the oil level indicator and oil level indicator tube.
  2. 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 oil level indicator tube bolt.
  4. Tighten
    Tighten the oil level indicator tube bolt to 25 N·m (18 lb ft).

  5. Install the thermostat bypass pipe (3).

  6. Object Number: 660211  Size: SH
  7. Install the thermostat bypass pipe (3) and hose clamp (5).
  8. Install the thermostat bypass pipe to engine front cover bolt (4).
  9. Tighten
    Tighten the thermostat bypass pipe to engine front cover bolt to 11 N·m (98 lb in).

  10. Install the thermostat bypass pipe (3) to throttle body hose clamps (1).
  11. Install the thermostat bypass pipe to throttle body nut (2).
  12. Tighten
    Tighten the thermostat bypass pipe to throttle body nut to 25 N·m (18 lb ft).