Oil Pan Installation

Tools Required: 

EN 46109  Guide Pin Set

Fig 1: Installing EN 46109 Into The Center Oil Pan Rail Bolt Hole On Each Side Of The Engine Block
Courtesy 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.
Fig 2: Applying Sealant To Block Pan Rail & Crankshaft Rear Oil Seal Housing
Courtesy of GENERAL MOTORS CORP.
2. Place a 3 mm (0.118 in) bead 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.
Fig 3: Removing & Installing Oil Pan
Courtesy 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.
Fig 4: Removing & Installing Oil Pan Bolts
Courtesy of GENERAL MOTORS CORP.
5. Loosely install the oil pan bolts.
Fig 5: Identifying Oil Pan Bolt Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
NOTE: Refer to Fastener Notice in Cautions and Notices.
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).