2005 Buick Century Oil Pan

You need to position the oil drain pan under the engine oil drain plug, remove the engine oil drain plug, clean and inspect the engine oil drain plug, repair or replace it if necessary, clean and inspect the engine oil drain plug sealing surface on the oil pan, repair or replace oil pan if necessary, remove the Oil Filter and clean and inspect the oil filter sealing area on the engine block, repair or replace if necessary.

You need to install the Oil Pump to the valve body and the oil pump bolts, connect the electrical connectors to the solenoid valves, the TFP manual valve position switch, and the temperature sensor and install the case side cover.

You need to disconnect the spark plug wire from the number 6 cylinder spark plug and remove the oil level indicator, the oil level indicator tube bracket bolt, and the oil level indicator tube.