Overhaul

Oil Pan Removal





1. Remove the oil pan bolts.





2. Using the pry points located at the edge of the oil pan shear the RTV sealant.





3. Remove the oil pan from the block.

Oil Pan Disassemble





1. Remove the oil pan drain plug.





2. Remove the oil pan scraper bolts.
3. Remove the oil pan scraper.





4. Remove the oil suction pipe bolts.
5. Remove the oil suction pipe.





6. Remove the oil suction tube seal from the oil suction tube. Discard the oil suction tube seal.

Oil Pan Cleaning and Inspection
Special Tool
^ J 28410 Gasket Remover

Cleaning Procedure
1. Remove any old thread sealant, gasket material or sealant using J 28410.
2. Clean the oil pan and oil pan components in solvent.
3. Clean out debris from the bolt holes.

WARNING: Refer to [Safety Glasses Caution].

4. Dry the oil pan and oil pan components with compressed air.

Inspection Procedure
1. Inspect the exterior of the oil pan for the following conditions:





^ Damage to the drain plug hole threads (1)
^ Dents, cracks or damage to the exterior (2)
^ Damage to the oil pan mounting holes (3)
^ Damage to the transmission mounting bolt hole threads (4)
^ Damage to the bracket bolt hole threads (5).





2. Inspect the exterior of the oil pan for the following conditions:
^ Dents, cracks or damage to the exterior (1)
^ Damage to the engine mount brace bolt hole threads (2)
^ Damage to the engine front cover bolt hole threads (3)
^ Damage to the A/C compressor mounting bolt hole threads (4)
^ Damage to the oil pan mounting holes (5)





3. Inspect the interior of the oil pan for the following conditions:
^ Damage to the oil pan baffle scraper bolt hole threads (1)
^ Damage or gouges to the oil pan sealing surface (2)
^ Damage to the oil suction tube mounting upper bracket bolt hole threads (3)
^ Damage to the oil suction tube mounting lower bracket bolt hole threads (4)





4. Inspect the oil pan baffle scraper for damage.
5. Repair or replace the oil pan and/or oil pan components as necessary.

Oil Pan Assemble





1. Install a NEW oil suction tube seal onto the oil suction tube. DO NOT reuse the old oil suction tube seal.





2. Install the oil suction pipe.

CAUTION: Refer to [Fastener Notice].

3. Install the oil suction pipe bolts.
Tightening torque
Tighten the oil suction pipe bolts to 10 Nm (89 in. lbs.).





4. Install the oil pan scraper.
5. Install the oil pan scraper bolts.
Tightening torque
Tighten the oil pan scraper bolts to 10 Nm (89 in. lbs.).





6. Install the oil pan drain plug and NEW O-ring seal.
Tightening torque
Tighten the oil pan drain plug to 20 Nm (15 ft. lbs.).

Oil Pan Installation

Special Tool
^ EN 46109 Guide Pin Set





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.





2. Place a 3 mm (0.118 in) bead (1) 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.





3. Position the oil pan onto the block.





4. Remove the EN 46109 8 mm (0.315 in) guides from the engine block.





5. Loosely install the oil pan bolts.





CAUTION: Refer to [Fastener Notice].

6. Tighten the oil pan bolts in sequence shown.
Tightening torque
1. Tighten the 8 mm bolts (1-11) to 23 Nm (17 ft. lbs.).
2. Tighten the 6 mm bolts (12, 13) to 10 Nm (89 in. lbs.).