Oil Pan Installation

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Oil Pan Gasket

Courtesy of GENERAL MOTORS CORP.

Place a NEW oil pan gasket in place on the oil manifold plate.

Fig 2: Oil Pan

Courtesy of GENERAL MOTORS CORP.

Position the oil pan onto the lower crankcase.

Fig 3: Proper Oil Pan Seating

Courtesy of GENERAL MOTORS CORP.

The oil pan must be held flush to 0.50 mm (0.020 in) forward of the rear face of the engine block.

Fig 4: Identifying Oil Pan Fasteners

Courtesy of GENERAL MOTORS CORP.

Place oil pan fasteners in location as shown:
- Short length bolt (420)
- Medium length bolt (421)
- Long length bolt (422)

Fig 5: Identifying Oil Pan Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Fastener Caution .

Install the oil pan bolts in the sequence shown.
1. First Pass
  Tighten the oil pan bolts to 15 N.m (11 lb ft ) in the sequence shown.
2. Final Pass
  Tighten the oil pan bolts to 25 N.m (18 lb ft ) in the sequence shown.
Clean off any sealant that has protruded to the exterior of the engine.
Install the oil drain plug and tighten to 25 N.m (18 lb ft).
Rotate the engine so that the engine valley is facing upward.