GMC 12624621 Pan Assembly, Oil

First, it is necessary to pull the cable out of the negative terminal on the battery, then raise the car and put it on jackstands. Oil filter must now be removed along with the oil pan skid plate if installed on the bike as a standard feature. Extract the front differential carrier in the case of the 4WD vehicles. After that, pull out the dipstick tube, disconnect the transmission cooler and its claws and unlock the inner axle shaft. Go ahead and take off the starter and the driveplate service cover on the left of the tranmission. Disconnect the battery cable guide from the front of the oil pan, after then, unbolt the top two AC compressor bracket bolts with their nuts and take off the bottom two AC compressor bracket bolts to get the compressor aside. Drop the two lower bell housing bolts and all the oil pan bolts then drop the pan off the engine and use the rubber mallet on the gasket to break the seal. In installation, remove the rivets that holds the old oil pan gasket, clean out the oil pan with solvent. It is necessary to clean the areas where the oil pan will be mounted, as well as the parts of the engine block where the front and rear covers will be attached. After that it is required to apply the RTV sealant across the corners of the front and rear covers and the engine block. The new gasket has to be placed on the pan, then the pan has to be put into the block and screws have to be turned to be tightened by fingers while care has to be taken to ensure the passages for the oil gallery are aligned well. Return all the oil pan mounting bolts tightly with its place in addition to the lower transmission mounting bolts. Torque the oil pan and transmission bolts to the indicated values. Last of all, do the steps in the reversal of the removal process, put the right kind and amount of oil, switch on the engine, and examine the car for leakages before using it again.

First, it is necessary to pull the cable out of the negative terminal on the battery, then raise the car and put it on jackstands. Oil filter must now be removed along with the oil pan skid plate if installed on the bike as a standard feature. Extract the front differential carrier in the case of the 4WD vehicles. After that, pull out the dipstick tube, disconnect the transmission cooler and its claws and unlock the inner axle shaft. Go ahead and take off the starter and the driveplate service cover on the left of the tranmission. Disconnect the battery cable guide from the front of the oil pan, after then, unbolt the top two AC compressor bracket bolts with their nuts and take off the bottom two AC compressor bracket bolts to get the compressor aside. Drop the two lower bell housing bolts and all the oil pan bolts then drop the pan off the engine and use the rubber mallet on the gasket to break the seal. In installation, remove the rivets that holds the old oil pan gasket, clean out the oil pan with solvent. It is necessary to clean the areas where the oil pan will be mounted, as well as the parts of the engine block where the front and rear covers will be attached. After that it is required to apply the RTV sealant across the corners of the front and rear covers and the engine block. The new gasket has to be placed on the pan, then the pan has to be put into the block and screws have to be turned to be tightened by fingers while care has to be taken to ensure the passages for the oil gallery are aligned well. Return all the oil pan mounting bolts tightly with its place in addition to the lower transmission mounting bolts. Torque the oil pan and transmission bolts to the indicated values. Last of all, do the steps in the reversal of the removal process, put the right kind and amount of oil, switch on the engine, and examine the car for leakages before using it again.

Inspect the oil pan for nicks and cracks in the sealing areas and check the oil drain hole threads for damage.

Install two oil pan bolts in the jackscrew holes at the rear of the oil pan and carefully tighten them until the oil pan releases from the block.