Oil Pan Installation. Buick Roadmaster 1996

For 1990-2009 cars

Important: Apply the sealer 25 mm (1.0 in) in either direction of the radius cavity of the junctions

1. Apply a small amount of sealer, GM P/N 12346004 or equivalent, 10 mm (0.393 in) wide and 20 mm (0.787 in) long to the engine front cover to engine block junction.
2. Apply a small amount of sealer, GM P/N 12346004 or equivalent, 25 mm (1.00 in) long to the crankshaft rear oil seal housing to engine block junction.
3. Install the oil pan gasket.
4. Install the oil pan.
5. Install the oil pan reinforcements.
6. Install the Nut and the bolts to the oil pan.

Tighten

1. Tighten the corner bolts or studs to 20 N·m (15 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Tighten the corner nuts to 20 N·m (15 lb ft).
3. Tighten the remainder of the bolts to 12 N·m (106 lb in).

7. Install the oil level sensor.

Tighten
Tighten the oil level sensor to 20 N·m (15 lb ft).

8. Install the oil pan drain plug.

Tighten
Tighten the oil pan drain plug to 20 N·m (15 lb ft).