Oil Pan Installation

Special Tools 

EN 46109  Guide Pin Set

For equivalent regional tools, refer to Special Tools

Fig 1: Guide Pin Set
Courtesy of GENERAL MOTORS COMPANY
1. Install the 8 mm (0.315 in) guides from the EN 46109  set into the center oil pan rail bolt hole on each side of the engine block.
Fig 2: Identifying Sealant Application Locations On Block Pan Rail & Crankshaft Rear Oil Seal Housing
Courtesy of GENERAL MOTORS COMPANY
2. Place a 3 mm (0.118 in) bead of RTV sealant, GM P/N12378521 (Canadian P/N88901148) or equivalent, on the block pan rail and the crankshaft rear oil seal housing (1).
Fig 3: Engine Oil Pan
Courtesy of GENERAL MOTORS COMPANY
3. Position the oil pan (1) onto the block.
4. Remove the EN 46109  set 8 mm (0.315 in) guides from the engine block.
Fig 4: Oil Pan Bolts
Courtesy of GENERAL MOTORS COMPANY
5. Loosely install the oil pan bolts (1), (2) and (3).
Fig 5: Oil Pan Bolt Tightening Sequence
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

6. Tighten the oil pan bolts in sequence shown.
   1. Tighten the 8 mm bolts (111) to 23 N.m (17 lb ft).
   2. Tighten the 6 mm bolts (12, 13) to 10 N.m (89 lb in).