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Hope this helps. this is the info from alldata...

Installation Procedure

Important: All gasket surfaces should be free of oil or other foreign material during assembly.

The alignment of the structural oil pan is critical. The rear bolt hole locations of the oil pan provide mounting points for the flywheel housing cover. To ensure the rigidity of the powertrain and correct transmission alignment, it is important that the rear of the block and the rear of the oil pan are flush or even. The rear of the oil pan must NEVER protrude beyond the engine block.

Do NOT reuse the oil pan gasket.

It is not necessary to rivet the NEW gasket to the oil pan.







Apply a 5 mm (0.20 inch) bead of sealant GM P/N 12378190 or equivalent 20 mm (0.80 inch) long to the engine block. Apply the sealant directly onto the tabs of the front cover gasket that protrude into the oil pan surface.






Apply a 5 mm (0.20 inch) bead of sealant GM P/N 12378190 or equivalent, 20 mm (0.80 inch) long to the engine block. Apply the sealant directly onto the tabs of the rear cover gasket that protrude into the oil pan surface. Important: Be sure to align the oil gallery passages in the oil pan and engine block properly with the oil pan gasket.






Preassemble the oil pan gasket to the pan.
3.1. Install the gasket onto the oil pan.
3.2. Install the oil pan bolts to the pan and through the gasket.

Install the oil pan, gasket and bolts to the engine block. Notice: Refer to Fastener Notice in Service Precautions.
5. - Tighten the oil pan bolts finger tight. Do not overtighten.

Install the two lower flywheel housing bolts to position the oil pan correctly.
7. - Tighten the lower flywheel housing bolts finger tight. Do not overtighten.
7.1. Tighten the oil pan-to-block and oil pan-to-oil pan front cover bolts to 25 Nm (18 ft. lbs.).
7.2. Tighten the oil pan-to-rear cover bolts to 12 Nm (106 inch lbs.).
7.3. Tighten the flywheel housing bolts to 50 Nm (37 ft. lbs.).







Install the left side closeout and bolt.
Tighten the left side closeout bolt to 12 Nm (106 inch lbs.).






Install the right side closeout and bolt.
Tighten the right closeout cover bolt to 12 Nm (106 inch lbs.).






Connect the engine oil temperature sensor connector.
Install and connect the engine oil level sensor.
Tighten the oil level sensor to 13 Nm 115 inch lbs.).
Install the automatic transmission cooler pipe front retaining clamp bolt.
Tighten the automatic transmission cooler pipe front retaining clamp bolt to 12 Nm (106 inch lbs.).
Install the automatic transmission cooler pipe rear retaining clamp bolt.
Tighten the automatic transmission cooler pipe rear retaining clamp bolt to 2.5 Nm (22 inch lbs.).






Install the oil filter to the oil pan.
Tighten the oil filter to 30 Nm (22 ft. lbs.).


Install the oil drain plug.


Hope this helps. this is the info from alldata
 

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No problem, pm me if you need anything else.
 
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