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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pan Installation

Oil Pan Installation

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    Fig 1: Applying Sealer
    GM748332Courtesy of GENERAL MOTORS CORP.
  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.
    2. Fig 2: View Of Oil Pan & Bolts
    GM637716Courtesy 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.
    4. Fig 3: Aligning Oil Pan To Back Of Block
    GM715595Courtesy 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).
    5. 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 (1 lb ft).
    • 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:  Tighten the oil level sensor bolt to 10 N.m (89 lb in).

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