2009 Chevrolet Suburban 1500 Oil Dipstick Tube

You should open the hood, remove the oil fill cap, raise and suitably support the vehicle, place an oil drain pan under the oil pan drain plug, remove the oil pan drain plug, allow the oil to drain completely, clean and inspect the oil pan drain plug, clean and inspect the oil pan sealing surface, wipe any remaining oil from the drain plug hole and reinstall the oil pan drain plug until snug, position the drain pan under the Oil Filter, remove the oil filter and ensure that the oil filter gasket is still on the old filter if not, remove the oil filter gasket from the oil pan.

The alignment of the structural Oil Pan is critical. The rear bolt-hole locations of the oil pan provide mounting points for the transmission bell housing. To ensure the rigidity of the powertrain and correct transmission alignment. the rear of the block and the rear of the oil pan must never protrude beyond the engine block and transmission bell housing plane.