GM Service Manual Online
For 1990-2009 cars only

Special Tools

EN 46109 Guide Pin Set

For equivalent regional tools, refer to Special Tools.


    Object Number: 1306197  Size: SH
  1. Install the 8 mm (0.315 in) guides from the EN 46109 guide pin into the center oil pan rail bolt hole on each side of the engine block.

  2. Object Number: 1306200  Size: SH
  3. Place a 3 mm (0.118 in) bead (1) of RTV sealant, on the block pan rail and the crankshaft rear oil seal housing. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended sealant.

  4. Object Number: 1829127  Size: SH
  5. Position the oil pan onto the block.

  6. Object Number: 1829130  Size: SH
  7. Remove the EN 46109 guide pin 8 mm (0.315 in) guides from the engine block.

  8. Object Number: 1829119  Size: SH
  9. Loosely install the 11 oil pan bolts at cylinder block.
  10. Loosely install the 2 oil pan bolts at crankshaft rear oil seal housing.
  11. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1829133  Size: SH
  12. Tighten the oil pan bolts in sequence as shown:
  13. 7.1. Tighten the 8 mm (0.315 in) bolts (1-11) to  23 N·m (17 lb ft) a first pass in sequence.
    7.2. Tighten the 8 mm (0.315 in) bolts (1-11) to  23 N·m (17 lb ft) a second pass in sequence.
    7.3. Tighten the 6 mm (0.236 in) bolts (12, 13) to  10 N·m (97 lb in).