2008 Cadillac CTS Oxygen Sensor

First, you need to install the oil pan drain plug and NEW O-ring seal and lower the vehicle. Then, please install the NEW Oil Filter cartridge, lubricate the oil filter cap threads with clean engine oil, and install the oil filter cap and the oil fill cap. Finally, you should fill the engine with the appropriate oil type and quantity and install the front compartment sight shield as necessary.

First, you need to disconnect the battery, remove the oil filter and the A/C compressor and the power steering drive belt, disconnect the oil pressure sensor electrical connector and remove the power steering pump bolts and position the pump aside. Then, please remove the A/C compressor bolts and reposition the A/C compressor, remove the bolts securing the wire harness bracket to the Oil Filter Adapter. Finally, you should place a drain pan under the vehicle to remove the oil filter adapter bolts and the oil filter adapter.

First, you need to remove the air cleaner intake duct and open the throttle valve to inspect the Throttle Body bore and the throttle valve plate for any deposits. Then, please use a clean shop towel and Top Engine Cleaner GM P/N 1052626 or equivalent product to clean the throttle body bore and the throttle valve plate. Finally, you should install the air cleaner duct.