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Oil Pan Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply a 3 mm (0.12 in) bead of sealer GM P/N United States 12378521, GM P/N Canada 88901148 to the block.
    Fig 1: Applying Bead Of Sealer To Block
    G02128911Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: 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.
    Fig 2: Installing Oil Pan & Bolts
    G02128912Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: 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).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Tighten the oil pan bolts.

    Tighten 

    • Tighten the (side) oil pan bolts to 25 N.m (18 lb ft).
    • Tighten the (end) oil pan bolts to 10 N.m (89 lb in).
  6. Install the oil level sensor.
    Fig 3: Checking Oil Pan Alignment
    G02128913Courtesy of GENERAL MOTORS CORP.
  7. Install the oil level sensor bolt.

    Tighten 

    Tighten the oil level sensor bolt to 10 N.m (89 lb in).

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