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Oil Pan Installation

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Tools Required

EN 46109  Guide Pin Set. See Special Tools

    Fig 1: Identifying EN 46109 Guides
    GM1306197Courtesy of GENERAL MOTORS CORP.
  1. Install the 8 mm (0.315 in) guides from the EN 46109  into the center oil pan rail bolt hole on each side of the engine block. See Special Tools .
    2. Fig 2: Sealant Application Locations On Block Pan Rail And The Crankshaft Rear Oil Seal Housing
    GM1306200Courtesy of GENERAL MOTORS CORP.
  2. Place a 3 mm (0.118 in) bead (1) of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the block pan rail and the crankshaft rear oil seal housing.
    3. Fig 3: View Of Oil Pan Removal/Installation
    GM1658742Courtesy of GENERAL MOTORS CORP.
  3. Position the oil pan onto the block.
  4. Remove the EN 46109  8 mm (0.315 in) guides from the engine block.
    5. Fig 4: Identifying Oil Pan Bolts
    GM1658740Courtesy of GENERAL MOTORS CORP.
  5. Loosely install the oil pan bolts.
    6. Fig 5: Identifying Oil Pan Bolt Tightening Sequence
    GM1658755Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  6. Tighten the oil pan bolts in sequence shown.

    Tighten: 

    1. Tighten the 8 mm bolts (1-11) to 23 N.m (17 lb ft).
    2. Tighten the 6 mm bolts (12, 13) to 10 N.m (89 lb in).

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