GM 12561828 Pan Assembly, Oil

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To take out the oil pan, clockwise turn the right front wheel lug nuts, then lift the car and support it using jacks and put it on stands; then, unbolt the wheel. Loosen the cable from the negative battery terminal, now open the hood and unbolt the hood stop bracket-to-oil pan from the right side of the compartment. Put labels to the PCV tubes to the oil pan connection points, unscrew the quick connect couplers on the tubes, and pull the tubes off from the top of the oil pan. Suction the engine oil, and then disconnect the right-front inner fender splash shield. Remove the oil temperature sensor from the top of the oil pan side of the oil pan and take off the electrical connector. Put a small drain pan under the oil hoses at the bottom of the oil pan, take off the inlet and outlet oil hose to pan bolts and pull back the hoses to free them from the oil pan, there will be spilling of oil so one needs to have rags or newspaper ready and would also prefer to wear rubber gloves. Pour the oil out from the hoses into the container and dispose off the hose O-rings. Take out the oil pan mounting bolts and lower the pan by bringing it down through the inner fender cut out. For installation, align the inner fender opening and insert the oil pan into it till the starting of the lower bracket bolts into the frame can be made, then torque the oil pan lower bracket to frame bolts. If the hoses are to be mounted on the oil pan clean the mounting surfaces of the hoses and the O-ring surfaces with a cloth soaked in lacquer thinner, acetone or brake system cleaner. I made another O-ring and fitted the outlet hose on the pan and tightened the mounting bolt up to the right torque of the oxy. Do the same with the inlet hose again, having a new member of the rubber O-ring. Perform all the remove steps in a reverse manner, add the engine oil, start the engine, check for any leakage and drive the automobile.

Attach a support fixture to the engine from above and raise it slightly to allow for the removal of the engine mount nuts and the engine mount-to-sub frame nuts.