GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Oil Pan Installation

    Object Number: 748332 Size: SH
  1. Apply a 3 mm (0.12 in) bead of sealer GM P/N 12378521, Canadian P/N 88901148 to the block.

    2. Object Number: 637716 Size: SH

    Note: The oil pan must be installed within 10 minutes from when the sealer was applied.

  2. Install the oil pan.
  3. Install the oil pan bolts.

    4. Object Number: 715595 Size: SH

    Note: When installing the oil pan, it could be shifted front or back a little which could cause a transmission alignment problem. The back of the oil pan needs to be flush with the block.

  4. Check the oil pan alignment. Use a straight edge on the back of the block and oil pan - transmission mounting surface.

    5. Caution: Refer to Fastener Caution in the Preface section.

  5. Tighten the oil pan bolts.
    6. 5.1. Tighten the - side oil pan bolts to 25 N·m (18 lb ft).
    5.2. Tighten the - end oil pan bolts to 10 N·m (89 lb in).
  6. Install the oil level sensor.
  7. Install the oil level sensor bolt. Tighten the oil level sensor bolt to 10 N·m (89 lb in).