GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Terraza Ext. 🢒 Engine 🢒 Engine Mechanical - 3.5L 🢒 Engine Oil Cooler Installation

    Object Number: 190499 Size: SH
  1. Apply sealer P/N 21485278 to the oil cooler hose fitting threads.

    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.

  2. Install the oil cooler hose fitting.

    3. Tighten
    Tighten the oil cooler hose fitting to 19 N·m (14 lb ft).


    Object Number: 190500 Size: SH
  3. Install the oil cooler inlet hose clamp and the oil cooler inlet hose onto the oil cooler hose fitting.

    4. Object Number: 190501 Size: SH
  4. Install the oil cooler inlet hose clamp and oil cooler.

    5. Object Number: 190502 Size: SH
  5. Install the oil cooler connector.

    6. Tighten
    Tighten the oil cooler connector to 50 N·m (37 lb ft).


    Object Number: 741937 Size: SH
  6. Install the oil cooler outlet hoses and pipe.
  7. Connect the lower oil cooler outlet hose to the oil cooler.
  8. Connect the upper oil cooler hose to the thermostat bypass pipe.